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Home >> Geo >> 1990 >> Metro Base, 4D Hatchback, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 15 (1.0L 3-CYL - VIN [5] & 1.0L 3-CYL Turbo - VIN [2]) >> Lubrication >> Oil Pump >> Inspection

Oil Pump: Inspection

WARNING: This page is about a different car, the 1988 Chevrolet Sprint. However, it is still accessible from the selected car via links, so may be relevant.
  1. Check oil seal for damage. Inspect outer and inner rotors, rotor plate and oil pump case for wear or damage. Replace components as necessary.
  2. Using a feeler gauge, measure radial clearance between outer rotor and case. If clearance exceeds .012" (.31 mm) replace outer rotor. Using a straightedge and feeler gauge, measure side clearance. If pump side clearance exceeds .006" (.15 mm), replace oil pump assembly.
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