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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1220 (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 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
  1. If removed, install the throttle body. Refer to THROTTLE BODY .
    Fig 1: Throttle Body
    G01702602Courtesy of GENERAL MOTORS CORP.
  2. Install the upper intake manifold gasket.
    Fig 2: Upper Intake Manifold Gaskets
    G01702603Courtesy of GENERAL MOTORS CORP.
  3. Install the upper intake manifold.
  4. Loosely install the left upper intake manifold bolts.
    Fig 3: Left Upper Intake Manifold Bolts
    G01702604Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to FASTENER NOTICE .
  5. Loosely install the right upper intake manifold bolts and the studs.

    Tighten 

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

    Fig 4: Right Upper Intake Manifold Bolts & Studs
    G01702605Courtesy of GENERAL MOTORS CORP.
  6. Install the EGR valve. Refer to EGR VALVE .
  7. Install the MAP sensor bracket and the sensor. Refer to MANIFOLD ABSOLUTE PRESSURE SENSOR .
  8. Install the EVAP canister purge valve. Refer to EVAP CANISTER PURGE SOLENOID .
  9. Install the ignition coil bracket with the coils. Refer to IGNITION COILS .
    Fig 5: EGR Valve
    G01702606Courtesy of GENERAL MOTORS CORP.
  10. Install the thermostat bypass pipe coolant hoses (3,4) to the throttle body.
  11. Install the following wiring harnesses to the retainers:
    • Engine wiring harness
    • Left side spark plug wire harness
    • Camshaft position (CMP) sensor wiring harness
  12. Install the left side spark plug wires to the spark plugs. Refer to SPARK PLUGS .
  13. Connect the electrical connectors to the following:
    • Evaporative emission (EVAP) canister purge valve
    • Throttle position (T/P) sensor
    • Idle air control (IAC) valve
    • Mass air flow (MAF) sensor
    • Exhaust gas recirculation (EGR) valve
      Fig 6: Thermostat Bypass Coolant Hoses
      G01702607Courtesy of GENERAL MOTORS CORP.
  14. Install the vacuum hoses to the following:
    • Windshield washer system
    • Brake booster to the upper intake manifold
    • Manifold vacuum source
    • Evaporative emissions (EVAP) canister purge valve
    • Fuel pressure regulator
  15. Install the accelerator controls cable bracket with the accelerator control and the cruise control cables.
  16. Install the air cleaner intake duct. Refer to AIR CLEANER INTAKE DUCT .
  17. Connect the negative battery cable. Refer to BATTERY NEGATIVE CABLE DISCONNECT/CONNECT PROCEDURE .
  18. Fill the cooling system. Refer to DRAINING AND FILLING COOLING SYSTEM .
    Fig 7: Vacuum Hoses
    G01702608Courtesy of GENERAL MOTORS CORP.
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