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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 748 (Engine Mechanical - 3.1L (On-Vehicle)) >> Repair Instructions >> Intake Manifold Replacement - Upper >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2002 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the upper intake manifold gaskets on the manifold.
    CAUTION: Refer to FASTENER NOTICE in Cautions and Notices.
  2. Apply thread lock GM P/N 12345382 to the threads of the bolts.

    Install the upper intake manifold bolts.

    Tighten 

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

    Fig 1: Installing Upper Intake Manifold Bolts
    G01810907Courtesy of GENERAL MOTORS CORP.
  3. Install the MAP sensor (1). Refer to MANIFOLD ABSOLUTE PRESSURE SENSOR in Engine Controls.
    4. Fig 2: Installing MAP Sensor
    G01810908Courtesy of GENERAL MOTORS CORP.
  4. Install EGR pipe.
  5. Install inlet and outlet hoses from throttle body (1).
    Fig 3: Installing Throttle Body Inlet & Outlet Hoses
    G01810909Courtesy of GENERAL MOTORS CORP.
  6. Install the vacuum hose (1) to the fuel pressure regulator (3) and the crankcase ventilation valve (2).
    Fig 4: Installing Vacuum Hose
    G01810910Courtesy of GENERAL MOTORS CORP.
  7. Connect the TP sensor.
    Fig 5: Connecting TP Sensor
    G01810911Courtesy of GENERAL MOTORS CORP.
  8. Connect the IAC.
  9. Connect the fuel injector harness.
    Fig 6: Connecting IAC
    G01810912Courtesy of GENERAL MOTORS CORP.
  10. Install the EVAP canister purge solenoid.
    Fig 7: Installing EVAP Canister Purge Valve
    G01810913Courtesy of GENERAL MOTORS CORP.
  11. Install the electronic ignition coil and module assembly. Refer to IGNITION CONTROL MODULE in Engine Controls.
    Fig 8: Installing Electronic Ignition Coil & Module Assembly
    G01810914Courtesy of GENERAL MOTORS CORP.
  12. Install throttle cable bracket and cables to throttle body.
    13. Fig 9: Installing Throttle Cable Bracket & Cables
    G01810915Courtesy of GENERAL MOTORS CORP.
  13. Install the top half of the air cleaner assembly.
  14. Install the brake vacuum pipe.
  15. Fill the cooling system. Refer to DRAINING AND FILLING COOLING SYSTEM in Engine Cooling.
  16. Inspect for proper fluid levels.
  17. Inspect for leaks.
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