Volkswagen Golf/Jetta 2 manual

Pressure relief valve - removal, servicing and refitting
Fuel and exhaust systems - K-Jetronic fuel injection - 8 valve engines / Pressure relief valve - removal, servicing and refitting


1 Release the pressure in the fuel system.

2 Unscrew the non-return valve plug and remove the plug and sealing washer.

3 Take out the O-ring, plunger and O-ring, in that order (see illustration).

17.3 Pressure relief valve components
17.3 Pressure relief valve components

1 Shims
Arrows indicate O-rings

4 When refitting the assembly, use new Orings and ensure that all the shims which were removed are refitted.

5 The number of shims fitted determine the system operating pressure. If for any reason the system pressure is suspect, it will be necessary to have a pressure check made by your VW dealer who should have the correct gauge needed to check the pressure in the system. He will know the amount of shims required to correct the pressure should it be necessary.


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