Pontiac Fiero 1984-1988 Repair Guide

Oil Pump



2.5L L4 Engine
1984-86 MODELS

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Fig. Fig. 1 Oil pump and driveshaft components-four-cylinder engine

The EPA warns that prolonged contact with used engine oil may cause a number of skin disorders, including cancer! You should make every effort to minimize your exposure to used engine oil. Protective gloves should be worn when changing the oil. Wash your hands and any other exposed skin areas as soon as possible after exposure to used engine oil. Soap and water, or waterless hand cleaner should be used.

  1. Remove the oil pan as described in the Oil Pan removal procedures.
  3. Remove the two flange mounting bolts and the nut from the main bearing cap bolt.
  5. Remove the pump and screen as an assembly.

To install:

  1. Align the pump shaft with the dri