Auto Repair Manual Free Download and ReviewsFree download ebook pdf files automotive manual

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After examining the fuel pumps returned under claim for the above vehicles, it has been found that a high percentage of returns have no operating fault found with them. The normal complaint is “not pumping”, or “fuel starvation”. In some cases the fault may be cured when a new fuel pump is fitted, but returns shortly afterwards. There are two common causes of these symptoms on the vehicle, besides the fuel pump: 1) The Rubber Fuel Supply Pipe This may be perished or weakened, resulting in a partial or total collapse of the internal bore, restricting the fuel flow. The perishing of the pipe can also lead to air leaks on the suction feed to the fuel pump, so that the pump sucks air as well as fuel, reducing the lift efficiency of the fuel pump. 2) The In-Line Fuel Filter The filter should be changed at intervals of 20,000miles (32,000Km). Failure to do so will result in a build up of sediment particles blocking the filter, reducing the fuel flow. This is especially so on older vehicles where corrosion takes place within the fuel tank and metal feed pipes. In order to ensure that the fuel feed system operates at its full potential, it is recommended that both of the above items are checked, and/or replaced, before fitting a new fuel pump.

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Multimeter VAG1526 or multimeter VAG1715 Connector test kit VAG1594 Wiring diagram Test requirements The respective fuses of Leak detection pump (LDP) V144 must be OK: Wiring Diagrams, Troubleshooting and Component Locations Ground (GND) connections between engine and chassis must be OK. Ignition switched off. Test sequence Disconnect 3-pin connector of Leak Detection Pump (LDP) V144 (arrow). Measure resistance between terminals 1 + 3 of diagnostic pump. Specified value: 640 to 720 ? Measure resistance between terminals 2 + 3 of diagnostic pump. Specified value: 12.5 to 19.5 ? If specified values are not obtained: Replacing Leak Detection Pump (LDP) V144 : Erase DTC memory of Engine Control Module (ECM) Diagnostic Mode 04 – Erase DTC Memory , Diagnostic mode 4: Reset/erase diagnostic data. Generate readiness code If specified values are obtained: Check wires according to wiring diagram. Checking wiring Readiness Code, Generating .

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A/C and heating system components, engine compartment CAUTION! Parts marked with an asterisk (*) can be serviced only after the A/C refrigerant system has been discharged by a certified technician using EPA-approved refrigerant recovery and recycling equipment safety measures, A/C refrigerant system (R-134a), safety measures . Dust and pollen filter Where applicable 2- . Plenum cover Removing/installing 3- – -”> Evaporator water drain valve Located behind bulkhead insulation Removing/installing 4- . Heater core connections and vacuum hose guide 5- . Fresh Air/Recirculating Flap Two-Way Valve N63 Valve open when voltage applied Vacuum hose layout 6- . Coolant Fan Control (FC) Control Module J293 With fuse Fuse Strip S88 (1993 m.y.) With fuses Coolant Fan Second and Third Speed Fuse S107 and Coolant Fan First Speed and A/C Clutch Fuse S108 (1994 m.y. micro ) Connector terminal identification: micro 09.93 Fig. 5 Connector terminal identification of Coolant Fan Control (FC) Control Module J293 ( 09.93) 10.93 micro Fig. 6 Connector terminal identification of Coolant Fan Control (FC) Control Module J293 (10.93 ) 7- . Vacuum reservoir Insert vacuum hose 30 mm (1.2 in.) into reservoir Removing/installing Fig. 2 Removing and installing evaporator water drain valve Vacuum hose layout Fig. 7 Removing and installing vacuum reservoir

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A4/NB TDI Engine Tools for 1999.5 Golf/Jetta and all New Beetle TDI timing belt replacement: 1. Injector pump alignment pin (3359) 2. Cam gear puller (4001) 3. Alignment guide plate (3418) 4. Cam gear holding bar (3036) 5. Toothed belt tensioning tool (T1020) 6. Stubby 5mm Driver (1/4” drive) Note paper towels stuffed into the intake to prevent “Murphy’s Law” from kicking in.This keeps you from dropping that flying spring clamp into an intake duct!! Raise up the power steering reservoir and pull the coolant reservoir hose under and to the front of the car. Cover the fender and let the coolant reservoir hang on the front of the car.upper timing belt cover and the flex line coming from the air filter going to the engine. I strongly suggest stuffing some paper towel in both holes to prevent you from dropping something into the turbo inlet. Using a 5mm 3/8” drive allen socket, remove all the front and driver side rear allen bolts except for the two by the oil filler cap. For those use the special cut-off 1/4″ drive socket that you made to remove them. Believe me when I say this, I have tried EVERY possible way to do this and I have stripped out a few heads in the process and this by far is the only true easy way to do it. Also disconnect hose to the valve cover, plug and and secure it.

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Due to known issues with the VW and Audi high pressure fuel pump system, it is mandatory that the fuel injection ECU of your vehicle be scanned before installation of the A.W.E. Tuning fuel pump parts. If any of the following fault codes are present, STOP, and do not install the A.W.E. Tuning fuel pump parts. The following codes are related to the wear issues as outlined in the factory Technical Ser- vice Bulletin 150702 and installation of pump parts will void the A.W.E. Tuning warranty: P2293 P0087 P1093 P3089 – – – – Fuel pressure regulator malfunction Fuel rail / system pressure too low Fuel trim 2 bank 1 malfunction Signal line for fuel pump electronics: electrical malfunction If upon removal of the factory pump and inspection of the camshaft and follower reveals con- ditions similar to those in the following TSB, STOP, and do not install the A.W.E. Tuning fuel pump parts. The images in the following factory TSB represent wear issues and installation of pump parts will void the A.W.E. Tuning warranty.