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Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 165 (Engine Mechanical - 4.0L (On-Vehicle)) >> Repair Instructions >> Oil Pump Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2002 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the oil pump drive spacer into the oil pump so that the drive flat engages the pump rotor.
  2. Position the oil pump on the crankshaft.
  3. Install the retaining bolts.
    CAUTION: Refer toFASTENER NOTICE .
    4. Fig 1: Installing Oil Pump Assembly
    G01819289Courtesy of GENERAL MOTORS CORP.
  4. Apply upward pressure on the pump while tightening the three retaining bolts. Tighten the bolts in the sequence (1, 2, 3) shown.

    Tighten 

    • First Pass

      Tighten the oil pump mounting bolts in sequence to 10 N.m (89 in lbs).

    • Final Pass

      Tighten the oil pump mounting bolts in sequence an additional 35 degrees using the J 36660-A. 

  5. Install the engine front cover. Refer to Engine Front Cover Replacement .
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