Volkswagen Golf/Jetta 2 manual

Oil pump - examination and renovation
Engine repair procedures - 1.05 and 1.3 litre pre August 1985 / Oil pump - examination and renovation


Note: The manufacturer does not supply any clearances for checking oil pump gear wear, so the pump must be assumed to be in good order provided that oil pressure is as specified. Pressure can only be checked with the engine assembled and the task should be entrusted to a VW garage. A visual examination of the oil pump can be made as follows:
1 Using an Allen key, unscrew the relief valve plug and extract the spring and plunger (see illustrations).

24.1a Unscrew relief valve plug . . .
24.1a Unscrew relief valve plug . . .

24.1b . . . and remove spring and plunger
24.1b . . . and remove spring and plunger

2 Using an impact screwdriver, remove the cross-head screws and withdraw the cover from the pump (see illustration).

24.2 Removing oil pump cover . . .
24.2 Removing oil pump cover . . .

3 Remove the rotors, noting that the indentation on the outer rotor faces the cover (see illustrations).

24.3a . . . and rotors
24.3a . . . and rotors

24.3b Outer rotor indentation (arrowed) must face cover
24.3b Outer rotor indentation (arrowed) must face cover

4 Clean the components in paraffin and wipe dry, then examine them for wear and damage.

If evident, renew the oil pump complete but if in good order, reassemble the pump in reverse order and tighten the screws and plug.


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