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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 203 (Engine Mechanical - 3.5L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Intake Manifold Replacement - Upper >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Throttle Body
    GM1239002Courtesy of GENERAL MOTORS CORP.
  1. If removed, install the throttle body. Refer to Throttle Body Assembly Replacement .
    2. Fig 2: View Of Upper Intake Manifold Bolts And Stud
    GM1239040Courtesy of GENERAL MOTORS CORP.
  2. Install the upper intake manifold gaskets.
  3. Install the upper intake manifold.
  4. Apply threadlocker GM P/N 12345382 (Canadian P/N 10953489) to the upper intake manifold bolt threads.
    5. NOTE: Refer to Fastener Notice .
  5. Install the upper intake manifold bolts and the stud.

    Tighten:  Tighten the bolts and the stud to 25 N.m (18 lb ft).

  6. Install the generator bracket.
  7. Install the EGR valve. Refer to Exhaust Gas Recirculation (EGR) Valve Replacement .
  8. Install the MAP sensor bracket and the sensor. Refer to Manifold Absolute Pressure (MAP) Sensor Replacement .
  9. Install the EVAP canister purge solenoid valve. Refer to Evaporative Emission (EVAP) Canister Purge Solenoid Valve Replacement .
  10. Install the ignition coil bracket with the coils. Refer to Ignition Control Module Replacement .
  11. Install the following wiring harnesses to the retainers:
    • Engine wiring harness
    • Left side spark plug wire harness
    • CMP sensor wiring harness
  12. Install the left side spark plug wires to the spark plugs. Refer to Spark Plug Wire Replacement .
  13. Install the air cleaner intake duct. Refer to Air Cleaner Intake Duct Replacement .
  14. Connect the electrical connectors to the following:
    • EVAP canister purge valve
    • Electronic throttle control
    • MAF sensor
    • EGR valve
    15. Fig 3: View Of Vacuum Hoses
    GM1239037Courtesy of GENERAL MOTORS CORP.
  15. Install the vacuum hoses to the following:
    • Brake booster
    • EVAP canister purge valve
  16. Connect the negative battery cable.
  17. Fill the cooling system. Refer to Draining and Filling Cooling System (Static Fill) or Draining and Filling Cooling System (Vac-N-Fill) .
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