Fuel pump, checking: Notes

Function and voltage supply, checking

Checking fuel delivery

Checking fuel pump non-return valve

Fig 1: Identifying Special Tools - Fuel Pump, Checking (1 Of 2)

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Special tools, testers and auxiliary items required 

• Pressure gauge V.A.G 1318
• Adapter V.A.G 1318/11
• Hose adapter V.A.G 1318/16
• Pressure gauge adapter V.A.G 1318/17
• Fuel line feed adapter V.A.G 1318/23
• Spring-type clip pliers VAS 5024A

Fig 2: Identifying Special Tools - Fuel Pump, Checking (1 Of 2)

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Special tools, testers and auxiliary items required 

• Torque wrench V.A.G 1332
• Adapter cable V.A.G 1348/3-2
• Remote control connection V.A.G 1348/3A
• Voltage tester V.A.G 1527B

• Connector test set V.A.G 1594C
• Multimeter V.A.G 1715

Fig 3: 3217 Ring Nut Spanner

Courtesy of VOLKSWAGEN UNITED STATES, INC.

• Ring nut wrench 3217
• Measuring container
• Wiring diagram