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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 >> Intake Manifold Cover Replacement - Right >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Fully seat the right cover (1) to the cam cover (6), aligning the following:
    • Insert the cover (1) between the engine wiring harness (5) and the cam cover (6).
    • The front notch (2) of the cover (1) with the right knock sensor bracket (4).
    • Position the cover (1) forward against the engine rear timing belt cover (3).
    • Locate the cover (1) between the intake manifold and the cam cover bolt heads.
    Fig 1: Identifying Right Cover & Cam Cover
    GM918941Courtesy of GENERAL MOTORS CORP.
  2. Position the ECM and bracket to the engine.
  3. Install the ECM bracket bolts to the following:
    • The cylinder head
    • The intake plenum
    Fig 2: Expanded View Of ECM Bracket Bolts
    GM785761Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  4. Tighten the ECM bracket bolts in the sequence shown.

    Tighten: 

    • Tighten the ECM bracket to cylinder head bolt to 20 N.m (15 lb ft).
    • Tighten the ECM bracket to intake plenum bolts to 8 N.m (71 lb in).

  5. Install the bolt securing the coolant inlet pipe to the ECM bracket.

    Tighten:  Tighten the coolant inlet pipe support bolt to 20 N.m (15 lb ft).

  6. Carefully align the harness connectors (2) with the ECM connectors.
    Fig 3: Exploded View Of ECM Connectors
    GM785823Courtesy of GENERAL MOTORS CORP.
  7. Guide the connectors (2) into place while moving the release levers to the locked position (1).
  8. Install the screw (2) securing the ECM ground wire (1) to the ECM (3).

    Tighten:  Tighten the ECM ground wire screw to 4.5 N.m (40 lb in).

    Fig 4: Locating Engine Ground Wire Screw
    GM785849Courtesy of GENERAL MOTORS CORP.
  9. Install the 2 bolts (3) securing the afterboil coolant pump to the ECM bracket.

    Tighten:  Tighten the afterboil coolant pump bolts to 10 N.m (89 lb in).

    Fig 5: Identifying ECM Bracket Retaining Bolts & Wiring Harness Clips
    GM785768Courtesy of GENERAL MOTORS CORP.
  10. Connect the 2 cable harness clips (1) securing the engine wiring harness (4) to the ECM bracket (2).
  11. Insert the chassis hose/pipes into the retainer (4) located at the ECM bracket.
  12. Close the retainer (4).
  13. Connect the EVAP quick connect fitting (3). Refer to Quick Connect Fitting(s) Service (Plastic Collar) .
    Fig 6: Locating Fuel Rail Quick Connect Fittings
    GM785815Courtesy of GENERAL MOTORS CORP.
  14. Refer to Quick Connect Fitting(s) Service (Metal Collar) in order to connect the following quick connect fittings to the fuel rail.
    • The feed hose/pipe (2)
    • The return hose/pipe (1)
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