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Main Fuel Pump Volume Check: Vanagon

  1. Remove return line from pressure regulator located in engine compartment, on left side. Push a piece of hose onto open connection of pressure regulator. Insert hose into a 1-quart (1 liter) graduated container.
  2. Remove fuel pump relay from relay panel. Activate fuel pumps using Remote Control (US4480/3). Activate fuel pumps for 30 seconds. Compare volume with values in FUEL PUMP PERFORMANCE table.
FUEL PUMP PERFORMANCE

Application/ Model Pressure psi (kg/cm2 ) Min. Vol. in 30 Sec. Pts. (L)
Cabriolet, Fox, Golf & Jetta 29-36 (2.0-2.5) 1.0 (.5)
Corrado & Passat
10 Volts N/A 1.0 (.460)
11 Volts N/A 1.3 (.620)
12 Volts N/A 1.6 (.750)
GTI & Jetta GLI
10 Volts N/A .8 (.375)
11 Volts N/A 1.1 (.520)
12 Volts N/A .4 (.675)
Vanagon 33-39 (2.3-2.7) 1.0 (.5)