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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 >> Off-Vehicle Repair Instructions >> Oil Cooler Installation

Oil Cooler Installation

WARNING: This page is about a different variant/trim than selected.
    Fig 1: Installing Engine Oil Cooler
    GM880434Courtesy of GENERAL MOTORS CORP.
  1. Install the engine oil cooler inlet/outlet O-ring seals.
  2. Install the engine oil cooler.
    3. Fig 2: Applying Sealant In Groove Around Engine Oil Cooler Cover
    GM159496Courtesy of GENERAL MOTORS CORP.
  3. Apply a 2 mm (0.08 in) bead of GM P/N 12378521 (Canadian P/N 88901148), or equivalent, in the groove around the engine oil cooler cover.
    4. Fig 3: Identifying Engine Oil Cooler Cover Bolt Tightening Sequence
    GM769032Courtesy of GENERAL MOTORS CORP.
  4. Apply thread adhesive GM P/N 12345382 (Canadian P/N 10953489) to the engine oil cooler cover bolts.
    5. NOTE: Refer to Fastener Notice in Cautions and Notices.
  5. Install the engine oil cooler cover bolts and tighten using the tightening sequence.

    Tighten:  Tighten the engine oil cooler cover bolts in sequence to 20 N.m (15 lb ft).

  6. Install the engine oil cooler outlet nut.
  7. Install the engine oil cooler inlet nut.

    Tighten:  Tighten the engine oil cooler inlet and outlet nuts to 30 N.m (22 lb ft).

    8. Fig 4: Removing & Installing Engine Oil Cooler Pipe Fittings From Engine Block
    GM159492Courtesy of GENERAL MOTORS CORP.
  8. Install the engine oil cooler pipes to the engine.
  9. Install the engine oil cooler pipe fittings to the engine block.

    Tighten:  Tighten the engine oil cooler pipe fittings to 30 N.m (22 lb ft).

    10. Fig 5: Removing & Installing Engine Oil Cooler Pipe Fittings
    GM769019Courtesy of GENERAL MOTORS CORP.
  10. Install the engine oil cooler pipe seals to the engine oil cooler.
  11. Install the engine oil cooler pipe fittings to the oil cooler.

    Tighten:  Tighten the engine oil cooler pipe fittings to 30 N.m (22 lb ft).

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