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Home >> Cadillac >> 2004 >> CTS Base, 3.6 7 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Engine Mechanical - 3.2L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Oil Pump Replacement >> Tools Required >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Assemble the oil pump if necessary. Refer to Oil Pump Assemble .
    2. Fig 1: Installing Oil Pump Gasket
    GM345868Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Do not cover and/or restrict the gasket openings and oil passages with sealant. Only apply sealant to the crosshatched area of the gasket as shown in the illustration.
  2. Coat only the pump side of the new oil pump gasket with a thin, even coating of GM P/N 1052942 (Canadian P/N 10953466), or equivalent.
  3. Install the oil pump gasket.
    4. Fig 2: Identifying Guide Pins
    GM159481Courtesy of GENERAL MOTORS CORP.
  4. Position the oil pump to the engine block (1) while aligning the guide pins (2).
  5. Coat the oil pump bolts with GM P/N 12345382 (Canadian P/N 10953489), or equivalent.
    6. Fig 3: Installing Oil Pump Gasket
    GM345868Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
    IMPORTANT: The oil pump bolts must be re-tightened AFTER the generator mounting bolt has been tightened to specifications to allow for uniform compression of the oil pump gasket.
  6. Install the oil pump bolts.

    Tighten:  Tighten the oil pump bolts in sequence to 12 N.m (106 lb in).

    7. Fig 4: Installing Crankshaft Front Oil Seal
    GM827310Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Ensure the crankshaft front oil seal is fully and evenly seated.
  7. Tap the crankshaft front oil seal into place using the J 35268-A  . See Special Tools and Equipment .
    8. Fig 5: Identifying Generator Lower Mounting Bolt & Generator Upper Mounting Bolt
    GM827309Courtesy of GENERAL MOTORS CORP.
  8. Release and pivot the generator into place.
  9. Install the generator lower mounting bolt (2).

    Tighten:  Tighten the generator mounting bolts to 35 N.m (26 lb ft).

    10. IMPORTANT: The oil pump bolts must be re-tightened AFTER the generator mounting bolt has been tightened to specifications to allow for uniform compression of the oil pump gasket.
  10. Re-tighten the oil pump bolts.

    Tighten:  Tighten the oil pump bolts in sequence to 28 N.m (21 lb ft).

  11. Install the engine oil pressure switch. Refer to Engine Oil Pressure Sensor and/or Switch Replacement .
  12. Install the crankshaft drive gear. Refer to Crankshaft Pulley Replacement .
  13. Install the oil pump pipe and screen assembly. Refer to Oil Pump Pipe and Screen Assembly Replacement .
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