Section D

Section D - Passat Tandem Pump Removal





- Remove engine cover
- Disconnect connector -1- to pressure sensor on air pipe
- Remove bolt -4- securing air pipe to bracket
- Release clamp -2- securing air hose to throttle valve control module
- Release clamp -3- securing air pipe to air hose and remove air pipe
- Disconnect central connector for pump-injector unit

WARNING:
- The fuel and the fuel lines in the fuel system can become very hot. The fuel system is also under pressure
- Before opening the system, place cloths around the connection and carefully loosen connection to release the pressure
- Wear hand and eye protection when performing any type of repair work on the fuel system





- Use special spring clamp pliers VAS 5024A to remove clamp and fuel supply hose -1- with white mark and fuel return hose -2- with blue mark from fuel filter
- Connect suction pump VAS 5226 to the fuel return hose
- Operate suction pump until no more fuel comes out of fuel return hose





- Remove clamp and vacuum hose -1- from tandem pump -4-
- Remove clamp and fuel supply hose -2- with white mark from tandem pump
- Remove 6mm socket head bolts -arrow A- and 5mm socket head bolts -arrow B- securing tandem pump to cylinder head
- Separate tandem pump from cylinder head
- Raise tandem pump slightly upward, remove clamp and fuel return hose -3- with blue mark and remove tandem pump
- Remove seal if it was not removed with tandem pump
- Clean rear surface of cylinder head in preparation for new tandem pump installation
- Proceed to Section E