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Home >> Chevrolet >> 2002 >> Impala Police >> Repair and Diagnosis >> External Pages >> Different car >> Section 567 (Engine Mechanical - 3.4L V6 - VIN (E) (La1)) >> Repair Instructions >> On-Vehicle Repair instructions >> Intake Manifold Replacement - Upper >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2003 Chevrolet Monte Carlo and 2003 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Throttle Body
    GM61827Courtesy of GENERAL MOTORS CORP.
  1. If removed, install the throttle body. Refer to THROTTLE BODY .
    2. Fig 2: View Of Upper Intake Manifold, Gaskets, Bolts & Stud
    GM813509Courtesy of GENERAL MOTORS CORP.
  2. Install the upper intake manifold gaskets.
  3. Install the upper intake manifold.
    4. NOTE: Refer to Fastener Notice in Cautions and Notices.
  4. Install the right upper intake manifold bolts and the stud.

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

  5. Install the exhaust gas recirculation (EGR) valve. Refer to EGR VALVE .
  6. Install the manifold absolute pressure (MAP) sensor bracket and the sensor. Refer to MANIFOLD ABSOLUTE PRESSURE SENSOR .
  7. Install the EVAP canister purge valve. Refer to EVAP CANISTER PURGE VALVE .
  8. Install the ignition coil bracket with the coils. Refer to IGNITION CONTROL MODULE .
    9. Fig 3: View Of Throttle Body Hoses, Heater Outlet Hose & Thermostat Bypass Pipe
    GM622761Courtesy of GENERAL MOTORS CORP.
  9. Install the thermostat bypass pipe coolant hoses (3,4) to the throttle body.
  10. Install the following wiring harnesses to the retainers:
    • Engine wiring harness
    • Left side spark plug wire harness
    • Camshaft position (CMP) sensor wiring harness
  11. Install the left side spark plug wires to the spark plugs.
  12. Install the accelerator control and the cruise control cables with the bracket to the throttle body. Refer to THROTTLE BODY .
  13. Install the air cleaner intake duct.
  14. Connect the electrical connectors to the following:
    • Evaporative emission (EVAP) canister purge valve
    • Throttle position (T/P) sensor
    • Idle air control (IAC) valve
    • Intake air temperature (IAT) sensor
    • Mass air flow (MAF) sensor
    • Exhaust gas recirculation (EGR) valve
    15. Fig 4: Vacuum Hoses
    GM248101Courtesy of GENERAL MOTORS CORP.
  15. Install the vacuum hoses to the following:
    • Heater and air conditioning source
    • Brake booster
    • Manifold vacuum source
    • Evaporative emissions (EVAP) canister purge valve
    • Fuel pressure regulator
  16. Connect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure in Engine Electrical.
  17. Fill the cooling system. Refer to Draining and Filling Cooling System in Engine Cooling.
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