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Home >> Buick >> 2004 >> Century Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 134 (Engine Mechanical - 3.8L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Oil Pump Pipe and Screen Assembly Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2004 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
    IMPORTANT: The oil pan gasket must be installed before the oil pump pipe and screen assembly.
  1. Install the new oil pump pipe and screen gasket.
    2. Fig 1: Oil Pump Pip & Screen Assembly
    GM153599Courtesy of GENERAL MOTORS CORP.
  2. Install the oil pan gasket.
  3. Install the oil pump pipe and screen.
    4. NOTE: Refer to Fastener Notice in Cautions and Notices.
  4. Install the oil pump screen bolts.

    Tighten:  Tighten the oil pump screen bolts to 15 N.m (11 lb ft).

  5. Install the oil pan. Refer to Oil Pan Replacement .
    6. NOTE: Do not run the engine until the oil pressure is tested. Running the engine without measurable oil pressure will cause extensive damage.
    NOTE: Stop the engine and remove the oil pan if the oil pressure does not build up immediately. Check the oil pump pipe and the screen for a clogged screen, damaged pipe, or a damaged gasket. Running the engine without measurable oil pressure will cause extensive damage.
  6. Inspect and verify that the oil pressure is within specifications.
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