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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1121 (Engine Mechanical - 3.4L) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Intake Manifold Installation - Upper

Intake Manifold Installation - Upper

WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Upper Intake Manifold & Gaskets
    GM813509Courtesy of GENERAL MOTORS CORP.
  1. Install the upper intake manifold gaskets.
  2. Install the upper intake manifold.
  3. NOTE: Refer to Fastener Notice in Cautions and Notices.
  4. Install the upper intake manifold bolts and studs. Apply threadlock GM P/N 12345382 (Canadian P/N 10953489) to the threads.

    Tighten:  Tighten the upper intake manifold bolts and studs to 25 N.m (18 lb ft).

  5. Fig 2: Identifying Exhaust Gas Recirculation (EGR) Valve Pipe & Bolt
    GM511787Courtesy of GENERAL MOTORS CORP.
  6. Install the exhaust gas recirculation (EGR) valve pipe and bolt to the EGR.

    Tighten:  Tighten the EGR valve pipe bolt to 25 N.m (18 lb ft).

  7. Install the EGR valve.
  8. Install the EGR valve bolts.

    Tighten:  Tighten the EGR valve bolts to 25 N.m (18 lb ft).

  9. Fig 3: View Of MAP Sensor & Bolts
    GM1256318Courtesy of GENERAL MOTORS CORP.
  10. Install the manifold absolute pressure (MAP) sensor bracket and bolt.

    Tighten:  Tighten the MAP sensor bracket bolt to 25 N.m (18 lb ft).

  11. Install the MAP sensor (1, 2).
  12. Install the MAP sensor bolts (1).

    Tighten:  Tighten the MAP sensor bolts to 5 N.m (44 lb in).

  13. Install the MAP sensor electrical connector.
  14. Fig 4: Locating Vacuum Lines
    GM511765Courtesy of GENERAL MOTORS CORP.
  15. Install the vacuum lines to the upper intake manifold.
  16. Install the throttle cable bracket.
  17. Install the throttle cable bracket bolts.

    Tighten:  Tighten the throttle cable bracket bolts to 13 N.m (115 lb in).