Abstract: Engine cleaning is affected at different times while the engine is running. Apparatus for cleaning internal combustion engines cyclically draws cleaning fluid from a reservoir by a pump, flushes the fluid through the block of the internal combustion engine, and returns the fluid to the reservoir. Tank selection valves alternately couple one of a pair of reservoir tanks to the pump, to the exclusion of another tank. One tank can be dedicated for use to clean gasoline powered internal combustion engines to preserve the characteristic color of the cleaning fluid, while the other tank can be utilized to clean diesel powered internal combustion engines. The system is operated through first flushing and soaking periods and through second flushing and soaking periods. A first tank in a pair is used to initially pump and recover cleaning fluid during the first flushing and soaking periods.

Abstract: A method and apparatus for removing internal carbon deposits and related residue and contaminants from fuel injected and carbureted internal combustion engine systems by delivering fuel to the inlet of the engine fuel pump while the engine is cranked by battery power to start the engine and then delivering an engine conditioning fuel, which is a mixture of normal engine fuel and a carbon cleaning agent, to the fuel pump inlet so that the conditioning fuel passes through and removes carbon deposits from the engine fuel injectors or carburetor, as the case may be, and is then combusted in the engine cylinders to power the engine. The effectiveness of the carbon cleaning operation is determined by monitoring the flow rate of normal engine fuel to the engine.

Abstract: An apparatus to change and recondition a coolant of a car having a radiator, an engine block and a top hose connecting the radiator and the engine block. The apparatus having a valve to be received in the top hose. There is an inlet and an outlet pipe to be connected to the valve. A pump is connected to the inlet pipe and to the outlet pipe. There are tanks, each having an inlet and an outlet, to receive coolant from the pump and to supply coolant to the pump. These tanks also act to store reconditioned coolant and to receive coolant to be reconditioned. Valves direct coolant flow to one or other of the tanks as required. Using the apparatus coolant can be withdrawn from the radiator, pumped to a first or second tank, reconditioned in that tank, passed to the other of the two tanks and then returned to the engine block.

Abstract: A new and improved oil drainage device. The device includes an oil receptacle upon which is mounted an oil pump. The pump can be connected, by way of a length of flexible tubing and a quick coupling, to the drainage hole of an oil pan. Thus, the device serves to pump oil from the drainage hole through the tubing and into the receptacle. The receptacle can alternatively be removably coupled to a larger oil receptacle by way of coupling assembly so that the receptacle is for industrial applications, whereas the former embodiment is for individual automotive or marine use.

Abstract: In apparatus for control of liquid coolant flow to and from an engine and radiator coolant system, comprising a closed tank to receive the coolant; a first line extending at the exterior of the tank, and also communicating with the tank interior, the first line connectible with the coolant system; ducting associated with the tank and having an inlet for connection to a source of compressed air, an outlet outside the tank, and having an aspiration side port between the inlet and outlet, the side port also connected to the tank interior; and a first valve for controlling compressed air flow through the ducting; whereby in one position of the valve compressed air flows into the tank via the side port to drive coolant from the tank interior via the first line and to the coolant system, and in another position of the valve compressed air flow through the ducting to the outlet acts to draw fluid into the tank from the engine coolant system via the first line, in response to suction communication to the tank interio

Abstract: The invention includes systems and methods of cleaning, for example, machining waste from holes in work pieces such as metal castings. The invention depends upon submerging, in a liquid, openings of the respective holes to be cleaned, aligning a nozzle with each such hole, with liquid disposed between the nozzle and the hole, and expressing one or more blasts of pressurized gas from the nozzles, through the intervening liquid, and into the holes. The apparatus contemplates a system having an array of nozzles positioned and arranged around the work piece such that a nozzle is positioned at each hole to be cleaned. The apparatus can be configured for cleaning a family of related work pieces, having differing arrangements of holes to be cleaned, by providing a nozzle for each hole included in the combination of all the arrays of all the work pieces to be cleaned.

Abstract: A cleaning apparatus for cleaning the burning chambers of engines to remove carbon monoxide deposits and other accumulated residue therefrom. The apparatus includes a holding tank for containing a predetermined amount of cleaning solvent, a nozzle having a nozzle tip with a discharge outlet and a suction inlet, a supply line connecting between the holding tank and the outlet and a first pump for transferring solvent under pressure from the holding tank for discharge from the outlet into the burning chamber. A return line connects between the inlet of the nozzle and the holding tank and includes a second pump connected in-line for creating a suction at the inlet, causing solvent to be transferred back to the holding tank. An air supply line from a compressor connects to the solvent supply line via a three-way valve for selective discharge of pressurized air into the burning chamber to facilitate drying thereof after washing with the solvent.

Abstract: A method and apparatus for flushing an automatic transmission cooling system. A sealed pressurized canister having an outlet and no inlet and a biodegradable soap solution thereinside is coupled to the cooling system, and a valve releases the soap within the canister through the cooling system. A tube within the canister extends from the canister's outlet into the soap solution, and after the soap is expelled from the canister, the canister is inverted and pressurized air from the canister purges the soap solution from the cooling system. A bag may be provided to catch the waste soap solution emerging from the cooling system.

Abstract: An apparatus to supply liquid coolant, to and to transfer coolant from, an engine and radiator coolant system, comprising a supply tank having a coolant fill inlet, which is closable, and a coolant delivery outlet to deliver coolant via a hose to the engine and radiator coolant system; an air pressurization inlet to the tank to receive compressed air that forces coolant from the tank via the outlet; and structure responsive to a predetermined coolant flow from the tank for relieving pressurization of the tank, whereby coolant flow is then interrupted.

Abstract: An apparatus for cleaning internal combustion engines in which a cleaning fluid is cyclically drawn from a reservoir by a pump, flushed through the block of the internal combustion engine, and returned to the reservoir by the pump, is improved by providing it with a pair of cleaning fluid reservoir tanks. Also, tank selection valves alternatively couple one or the other of the reservoir tanks to the pump, to the exclusion of the other tank. In one application of the improved apparatus one tank can be dedicated for use to clean gasoline powered internal combustion engines to preserve the characteristic color of the cleaning fluid, while the other tank can be utilized to clean diesel powered internal combustion engines. In another application the system is operated through first flushing and soaking periods and through second flushing and soaking periods. A first tank in the pair is used to initially pump and recover cleaning fluid during the first flushing and soaking periods.

Abstract: An electronically controlled carbon-cleaning apparatus for removal of carbon deposits in internal combustion engines. A microcomputer and associated electronics perform all control, and user interface functions. Firmware provides self test, automatic voltage adjustment to direct current systems used on internal combustion engines. The apparatus includes a fill feature whereby a solution tank is filled automatically. The apparatus circulates a fuel-cleaner solution through the fuel injection system of the engine while it is operated, thereby saving the time and cost associated with the removal and hand cleaning of injectors. Fuel-cleaner solution level and run time are continuously monitored by the microcomputer and displayed on a LCD display. Solution pressure is continuously monitored and necessary adjustments automatically made while circulating fuel-cleaner solution. An engine cut-off solenoid driver is provided to shut down the engine in the event of a empty solution tank.

Abstract: A parts washer (5) for cleaning mechanical parts with a liquid cleaning solvent includes a sink (7) mounted upon a reservoir (8). The sink has a bottom wall (10) in which a filter cartridge opening (20) is defined for removably receiving a filter cartridge (80) depending downwardly toward said reservoir and mounted upon said bottom wall. Pump (41) draws liquid cleaning solvent from reservoir (8) and circulates the liquid cleaning solvent into sink (7) and back into reservoir (8). Hose (50) mounted in sink (7) may be connected directly to filter cartridge (80), and pump assembly (41 ) is operated so that liquid cleaning solvent is circulated directly, under pressure, into filter cartridge (80) for clarifying and reclaiming the liquid cleaning solvent in order to maintain its cleaning efficiency and prolong its service life.

Abstract: A fresh water flushing system for a marine engine in a boat for use whether the boat is in or out of the water is disclosed. The system comprises a control panel mounted on the interior of the boat, a plurality of tubular "T" shaped interconnection fittings in a raw sea water cooling conduit, and a fresh water flush valve therebetween. The components are connected for fresh water fluid flow with a plurality of standard radiator hoses. The fresh water flush valve has a valve plunger for establishing fresh water flow between the control panel and the "T" shaped interconnection fittings. Further, the fresh water flush valve has a plurality of axial outlet ports to proportionately direct the flow of fresh water to the appropriate "T" shaped interconnection fitting in the raw sea water cooling conduit of the marine engine. A valve plug is provided to secure a positive closure when the fresh water flow is disconnected.

Abstract: A template for use in cleaning a valve body assembly for an automatic transmission has hydraulic passageways, at least one spring-loaded valve, and fasteners for the valve. A solid sheet has a perimeter having a lip and protrusions extending from it and covering and protecting the spring-loaded valve and the fastener means for the valve of the assembly. The template has a cut-out interior portion which exposes the hydraulic passageways for the cleaning thereof.

Abstract: Apparatus for cleaning an internal passage of an article, such as a fuel passage of a gas turbine or other engine. The apparatus comprises a container for containing cleaning fluid, means for communicating a first end of the passage to the cleaning fluid in the container, and cleaning fluid conduit means communicated to a second end of the passage in a manner to draw cleaning fluid from the container to flow through the passage from the first end toward the second end in response to flow of cleaning fluid through the conduit means. The apparatus includes means for blocking flow of cleaning fluid through the conduit means so as to direct the cleaning fluid therein to flow through the passage from the second end toward the first end and into the container.

Abstract: A method and an apparatus are provided for complete fluid exchange and internal system flushing of an automatic transmission system without disassembly. The apparatus is connectable to the transmission system and, in a preferred embodiment, is operable at an adjustable output fluid flow rate and pressure setting to act as an independent fluid supply and storage system for the automatic transmission system in the course of a fluid exchange and flushing operation. In addition to its application to an automatic transmission system, the apparatus of the present invention can be used to flush the fuel system of any internal combustion engine.

Abstract: An apparatus for cleaning an electronic fuel injector having an inlet and an outlet wherein the fuel injector is supported in an ultrasonic bath of cleaning fluid such that at least the outlet tip of the fuel injector is immersed in the fluid while the bath is resonated with ultrasonic energy. The fuel injector is pulsed by an electrical signal, the combination of the ultrasonic resonance and pulsing action causing the fluid to flow through the fuel injector from the outlet tip to the inlet.

Abstract: An internal combustion engine purging system cleans out deposits of carbon and other substances that accumulate over time in the fuel system by delivering a mixture of fuel and cleaning solution into the fuel intake ports while the engine is running, so that the engine pulls the mixture through the carburetor jets or injectors. This purging system is characterized by its virtual universal application with substantially any commercially produced gasoline or diesel engine. It is in part comprised of two separate but overlapping systems, one for gasoline and one for diesel, which are selectable by the operator.

Abstract: A method and apparatus for removing internal carbon deposits and related residue and contaminants from fuel injected and carbureted internal combustion engine systems by delivering fuel to the inlet of the engine fuel pump while the engine is cranked by battery power to start the engine and then delivering an engine conditioning fuel, which is a mixture of normal engine fuel and a carbon cleaning agent, to the fuel pump inlet so that the conditioning fuel passes through and removes carbon deposits from the engine fuel injectors or carburetor, as the case may be, and is then combusted in the engine cylinders to power the engine. The effectiveness of the carbon cleaning operation is determined by monitoring the flow rate of normal engine fuel to the engine.

Abstract: Carbon deposits and related residue and contaminants are removed from the fuel ports and internal surfaces of an internal combustion engine fuel system, particularly fuel injectors, carburetors, fuel pumps, fuel passages, and the like, by initially utilizing a priming pump to pump priming fuel to the engine from an external fuel source while the engine is being cranked to start the engine and then utilizing the engine fuel pump to pump a combustible, carbon removing conditioning fuel from the fuel source through the engine fuel system along a flow path which by-passes the priming pump so as to avoid restriction of the conditioning fuel flow by the priming pump and thereby increase the conditioning fuel flow rate sufficiently to permit simultaneous servicing of several engines.

Abstract: The apparatus and method for flushing and draining the cooling system of a vehicle employs a drain pipe. The drain pipe connects to the bottom of the radiator, the bottom of the engine block or the lower radiator hose and has a bend of 180.degree. above both the inlet and outlet of the drain pipe. The outlet of the drain pipe is below the inlet for the drain pipe.

Abstract: The method of cleaning internal combustion engine fuel injector structure, valves and combustion chambers, and employing a canister containing a liquid mixture that includes engine fuel and injector cleaning solvent, the steps that include charging pressurized gas into the canister to a selected high-pressure level; communicating the interior of the canister with a passage extending to the injector structure and operating the engine, including a fuel pump to provide pressurized fuel discharge which is delivered to the passage; terminating operation of the fuel pump; continuing operation of the engine by allowing substantially continuous pressurized flow of the mixture in the canister to the injector structure, via the passage, and until the mixture in the canister depletes; and after pressure drops to a selected lower level, re-charging pressurized gas into the canister to a selected high-pressure level, and continuing the communication of the canister interior with the passage to flow more of the mixture to

Abstract: In combination with a vehicle engine having a crankcase, a pan with drain plug, an oil pump mounted upon the crankcase having an inlet and an outlet, and a filter mount boss. A pickup tube in the crankcase at one end is connected to the pump inlet and at its other end having an intake near the bottom of the pan and containing an oil screen. A reservoir containing a flushing fluid has an outlet pipe. A pressurized air source is connected to the outlet pipe. An adapter on the outlet pipe is mounted upon the filter mount boss on the oil pump and connected to its outlet for feeding flushing fluids through the pump and through the pickup tube and its screen in the reverse direction to clean out the intake filter.

Abstract: Disclosed is a permanent liquid filter assembly, which includes an oil filter unit made up of an outer housing with inlet and outlet ports and a reconditionable filter material and a bypass valve means for providing a passage way between the inlet and outlet ports, when the differential pressure across the filter means exceeds a certain predetermined value contained therein. The assembly also includes an adapter with multiple inlet and outlet ports, providing fluid communication means between the inlet and outlet ports of the filter and the oil inlet and outlet ports of the engine block to which the filter assembly is attached, as well as inlet and outlet ports for making fluid connections with an external pump device by means of fluid quick disconnet couplers, thereby enabling a flushing fluid to be pumped through the filter element in a reverse direction opposite that of the oil normal flow.

Abstract: An adaptor directs water into the engine of a stern drive boat which has the outdrive removed therefrom. The adaptor comprises a support plate having a first side, a second side, and at least one aperture extending therethrough. A body member has a central bore and a first end portion connected to the support plate. The central bore of the body member is in alignment with the aperture, which is in alignment with a cooling orifice of the engine. The adaptor further comprises a connector for attaching a fluid conduit such as a hose to the body member at a second end portion and a spacer to assist in the connection of the support plate to the gimbal housing. Water which passes through the fluid conduit also passes through the central bore of the body member, the support plate aperture, the cooling orifice and into the engine for cooling or flushing thereof.

Abstract: A flush cap for a vehicle cooling system wherein the flush cap has an inlet through which fresh water enters and an outlet through which dirty coolant leaves. The method employs the flush cap to flush the cooling system of the vehicle. The radiator cap can be adapted to drain a radiator using a hose attached to the outlet of the cap.

Abstract: The apparatus and method for flushing and draining the radiator and cooling system of a vehicle employs a drain pipe which allows for draining of the radiator and flushing of the cooling system. A drain pipe which connects to the bottom of the radiator has a bend of 180.degree. near the top of the radiator but below the fluid level of the radiator. The outlet of the drain pipe is below the inlet for the drain pipe.

Abstract: The method of cleaning internal combustion engine fuel injector structure, valves and combustion chambers, and employing a canister containing a liquid mixture that includes engine fuel and injector cleaning solvent, the steps that include charging pressurized gas into the canister to a selected high-pressure level; communicating the interior of the canister with a passage extending to the injector structure and operating the engine to provide pressurized fuel discharge delivered to the passage; terminating operation of an engine fuel pump; continuing operation of the engine and flow of the mixture in the canister to the injector structure until the mixture in the canister depletes; and re-charging pressurized gas into the canister to a selected high-pressure level, and continuing flow of the mixture to the injector structure while the engine is running.

Abstract: A fuel injection system cleaning kit includes a pressurizable container of cleaning fluid, and a regulator to control the discharge pressure of the cleaning fluid. An isolating valve is located in the conduit between the regulator and container and a charging valve is placed between the container and isolating valve. With the isolating valve closed, a pressurized gas such as air, can charge the container through the charge valve.

Abstract: A radiator flush/fill apparatus and process employing a flushing apparatus having a modified radiator cap, a pumping device and an automobile radiator containing a liquid, wherein the flushing apparatus comprises a modified radiator cap having an elongated hollow tubular member forming an elongated open fluid passageway through the modified radiator cap and extending into the automobile radiator for accessing the liquid present in the automotive cooling system; with one end of the elongated tubular member adapted to engage in a fluid tight relationship a connecting device connected to a pumping device for removing a major amount of the liquid from the automobile radiator through the elongated tubular member and for replacing the removed liquid by introducing a new liquid through the elongated tubular member.

Abstract: The invention comprises an apparatus for cleaning chambers such as those of engines and transmissions, including a reservoir, a quantity of synthetic cleaning fluid disposed in the reservoir, a first channel for fluidly connecting the reservoir with a first oil passageway opening in an internal combustion engine, a second channel for fluidly connecting the reservoir to a second oil passageway opening in the internal combustion engine, and a pump for pumping the synthetic cleaning fluid from the reservoir through the first channel and into the engine and then back to the reservoir through the second channel.

Abstract: A system for winterizing boat engines includes a "Y" valve having stop cocks located on the common duct and each arm. One arm is connected to a source of flushing liquid, and the other to a source of anti-freeze. The common duct is connected to the engine.

Abstract: Method and apparatus for cleaning fuel injector systems of internal combustion engines which comprises avoidance of burns and possible injuries in setting up the conventional system apparatus in the engine compartment. The present method is characterized by setting up the required connections and apparatus at the rear of the vehicle in an area isolated from the region under the vehicle hood. The invention has other advantages. In particular, filter replacement in the isolated area subsequent to completion of the cleaning process is effected by a novel aspect of the method which involves filter removal as a step in the method. In a conventional method the filter is left in place but ultimately replaced, for comprehensive maintenance of the fuel system, as an additional step. Another advantage of the invention is the method of detecting leakage in injector and fuel flow systems and to detect the extent of clogging of individual injectors to determine the need for replacement.

Abstract: An apparatus and method for repairing a leak in a vehicle heater core without requiring its removal from its vehicle mounted position. The apparatus comprises an airtight container having an immersible pump and heater element secured within the container and including inlet and outlet fluid lines for coupling with hose extensions from the heater core of a vehicle. Access to such hose lines may be accomplished by an intermediate cut on each of the inlet and outlet hoses to the heater core, joining the respective flowlines of the container into a closed fluid circuit. In this configuration, flushing solution, cleaning solution and sealing compound can be pumped through the heater core to repair any existing leaks. An inlet valve is provided for introducing air pressure to assist in delivery of the sealer compound through the closed circuit and confirming repair of any existing leaks.

Abstract: The method of flushing a vehicle power steering apparatus enclosure that contains first pressure fluid includes providing a container having a first zone for reception of a predetermined quantity of flushing liquid, and having a second fluid pressure zone, the container having an inlet for filling flushing liquid into the first zone; providing a pusher in the container to extend between such zones; connecting flushing liquid delivery apparatus with the container to receive pressurized flushing liquid displaced under pressure from the first zone in response to movement of the pusher; connecting a vehicle power steering apparatus enclosure with the delivery apparatus to receive pressurized flushing liquid to flush the steering apparatus; and connecting a source of fluid pressure with the second zone for pressurally displacing the pusher toward the first zone to pressurize the flushing liquid, expelling a predetermined quantity thereof to the delivery apparatus and to the power steering apparatus, for flushing s

Abstract: Apparatus and method for cleaning heat exchangers when overhauling transmissions or the like wherein the inlet and outlet of a heat exchanger is disconnected from the transmission and connected to a source of solvent, oil and air. Solvent is first injected into the heat exchanger in a direction reverse to the normal flow of oil through the heat exchanger. This injection of solvent is stopped, then started again after a predetermined delay time. This injection and delay cycle may be repeated.Air is now injected under pressure into the heat exchanger in a direction reverse to the flow of oil therethrough, i.e. in the same direction as the solvent injection.Thirdly, oil is injected into the heat exchanger in the normal direction of flow of oil therethrough for a predetermined time. This injection of oil is stopped for a predetermined period of time. The injection and delay cycle for oil injection may also be repeated.

Abstract: The present invention is a method and apparatus to clean the intake system of an internal combustion engine including the intake valves. An air metering block is connected to the intake manifold of the engine by means of an adaptor tube. The only air that can get into the intake manifold of the engine is through inlet ports in the air metering block. An air adjusting screw selectively uncovers the inlet ports to vary the amount of air which can be introduced into the intake manifold. An electrically operated injector is fitted in the air metering block to inject solvent directly into the intake manifold. An adjustable injector driver varies the duty cycle or the on time of the injector to control the amount of flow of solvent into the intake manifold. A pumping unit is provided to pump solvent from a holding tank, through the injector, into the intake manifold.

Abstract: Injector cleaning/testing apparatus is arranged to enable electrically actuated injectors to be cleaned and tested while in situ on an engine. The apparatus is connected to the fuel supply system of the engine which feeds fuel and/or cleaning fluid to the engine injectors. Measuring means is also provided for measuring the rate of flow of fuel through the injectors. Fuel is pumped to pressurize the supply of fuel to the injectors; the pressure is measured and the rate of change of the pressure is determined as an injector is opened thereby determining the rate of flow through the injector. The apparatus also includes an arrangement whereby the engine fuel supply pump is used during cleaning and an arrangement by which the injectors may be actuated in different modes without disconnection.

Abstract: A cleaning apparatus and method for removal and replacement of the liquid in an automotive cooling system by use of a pumping device and by access to liquid in the automotive cooling system through the neck opening of the radiator of the automotive cooling system. The prior art requirement of introduction of one or more tees into heating hoses of the automotive cooling system is beneficially eliminated.

Abstract: A horizontally mounted cylindrical container is adapted to mount through demountable end plates a cartridge filter in the container through demountable end plates for rotation around a lower axis than the center axis of the container. The combination of container and filter is connected in an aqueous system through a top inlet pipe and hand controlled valve and a lower front end plate outlet, and to a source of pressure cleaning media through an upper quadrant valve controlled turnable tube slidably mounted through a rear plate inlet and supported in the container by a combination track and baffle member fixed to the container top. A nozzle fixed to the free end of the pressure media tube jets cleaning media against the filter to rotate it alternately in both directions of rotation and for its full length. A second inlet pipe and valve is fixed to the top inlet pipe a chemical cleaning soak in baffled minimum amounts because of the baffling and filter mounting below the center of the container.

Abstract: A novel cooling system for an internal-combustion marine engine employs a novel strainer having a removable metal cover and means for controllably introducing flushing liquid into the strainer through the cover. A prior strainer may be modified by providing an auxiliary aperture through the cover and attaching one end of an auxiliary pipeline to the aperture. The auxiliary pipeline includes a hose-connection fitting at its other end and a control valve in the line.

Abstract: An apparatus and method for changing the antifreeze in a vehicle requires only a garden hose and opening of the radiator cap. Water from the hose is utilized to prime a conduit for siphoning used coolant from a side tank radiator and for refilling the radiator. By operating the vehicle with fresh water in the radiator, coolant remaining in the system is mixed with the water, and repeated drainings decrease the remaining used antifreeze by about one-half each time. After removal of the desired amount of antifreeze, new antifreeze may be placed in the radiator.

Abstract: A process for high speed oil change in an internal combustion engine having a crank case with moveable parts and with oil pans modified to include a through bore and an appropriate associated coupling member.

Abstract: An improved apparatus for cleaning internal combustion engines by providing a cart with wheels to transport the apparatus to the engine to the serviced. The apparatus can contain a battery or be connected to the power supply of the engine. A cleaning solution is poured into the reservoir of the apparatus. A pump delivers the cleaning solution to the input junction of the fuel supply line of the engine. Control switches insure the apparatus is started and brought up to operating pressure. If internal pressure is not achieved or if pressure is lost during operating, the power to the pump is interrupted. A return line is provided to establish a pathway for excess cleaning solution to be returned to the reservoir of the apparatus. The return line incorporates an adjustable pressure regulator to compensate for an inadequate or manufactioning engine fuel pressure regulator.

Abstract: The brake drum cleaner assembly includes a water hose, and a unitary spray adapter of plastic or the like releasably connected by a clamp or the like to the water hose. The adapter has a rear tubular stem portion inserted in one end of the hose and connected to a front expended spray head portion defining a plurality of water spray orifices. The front head portion can be cylindrical, spherical or anotehr shape and the orifices can be round, elongated, curved, etc. The exterior of the rear stem portion of the adapter may be convoluted, stepped, etc., to facilitate anchoring in the water hose. A water pulsator can be connected to the rear end of the adapter to cause water passing through the adapter to pulse outer the orifices for improved cleaning. The method includes drilling a hole through a brake backing plate, then passing the rear stem portion of the adapter out therethrough and connecting to the water hose, while leaving the spray front head portion within the drum cavity.

Abstract: Conventionally, cooling systems are drained and flushed out with a gravity flow of water added through the radiator cup. The present device permits power back scrubbing and flushing through the heater core, through the engine and then through the radiator core thus removing far more scale, rust and sludge than the usual system. It can incorporate a pressure test and then can add the correct amount of antifreeze to the water within the system.

Abstract: A cleaning system is provided for cleaning fuel injectors of deposits inhibiting their efficient operation. The system provides a circuit for cleaning fluid to be passed through the injector and includes a pump for fluid and controls whereby the fluid is passed through the injector with periodic reversals of flow. A flowmeter is provided to check the cleaning action and an electrical supply to the injector ensures it is in an open condition during cleaning. The injector is releasably located in fluid communication with the fluid.

Abstract: A method of flushing an engine cooling system that includes a liquid coolant heater, radiator and liquid coolant pump, includes:(a) producing a pressurized flow of flushing liquid and entrained gas bubbles,(b) selectively passing the flow through the radiator, and heater liquid pump; and receiving the flow discharged therefrom;(c) filtering the received flow, and(d) re-circulating the flow, under pressure, to assist in the (a) step. Anti-freeze may be added to the circulating flow; and air is typically released from the received flow.

Abstract: A carbon-cleaning apparatus for diesel engines having an independent fuel-flow system including a diesel/chemical mixture fuel tank adapted to be interconnected to a diesel engine at the engine's fuel injection, there being an electronic control and monitoring system to operate the fuel-flow system during the cleaning operation of the engine.

Abstract: A fuel injector cleaning kit includes a pressurized container containing a pressurized mixture of a fuel injector cleaning fluid and a motor vehicle fuel. The kit includes instructions, hoses and adapters for connection to a plurality of different motor vehicles. An adjustable pressure regulator, included as part of the kit, controls the pressure of the mixture delivered to the vehicle to a value specific to the particular vehicle.