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Home >> Chevrolet >> 2008 >> Impala Police >> Repair and Diagnosis >> External Pages >> Different car >> Section 39 (Engine Mechanical - 3.6L (Ly7) (Repair Instructions -- 1 Of 5)) >> On-Vehicle Repair Instructions - Part 1 >> Intake Manifold Replacement - Lower >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2005 Buick LaCrosse and 2005 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
  1. Assemble the intake manifold as necessary. Refer to Intake Manifold Assemble .
    2. Fig 1: View Of Intake Manifold
    GM1394084Courtesy of GENERAL MOTORS CORP.
  2. Install the intake manifold. Refer to Intake Manifold Installation .
    3. Fig 2: Locating PCV Dirty Air Tube
    GM1394081Courtesy of GENERAL MOTORS CORP.
  3. Install the PCV hose to the intake manifold.
  4. Install the brake booster vacuum hose and check valve to the brake booster.
    5. Fig 3: Identifying Throttle Body Electrical Connector
    GM1394050Courtesy of GENERAL MOTORS CORP.
  5. Install the throttle body electrical connector.
    6. Fig 4: View Of Fuel Injector Electrical Connector
    GM1394055Courtesy of GENERAL MOTORS CORP.
  6. Connect the fuel injector electrical connector.
    7. Fig 5: Identifying Wiring Harness Bracket Bolts On Right Side Of Intake Manifold
    GM1394052Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  7. Install the wiring harness to the right side of the intake manifold.

    Tighten:  Tighten the wiring harness bracket bolts to 10 N.m (89 lb in).

    8. Fig 6: Purge Solenoid Electrical Connector
    GM1394073Courtesy of GENERAL MOTORS CORP.
  8. Connect the purge solenoid electrical connector.
  9. Install the ECM bracket with the ECM. Refer to Engine Control Module (ECM) Replacement in Engine Controls - 3.6L (LY7).
  10. Connect the BARO sensor electrical connector.
  11. Install the fuel pressure and EVAP hoses to the engine. Refer to Quick Connect Fitting(s) Service (Metal Collar) and Quick Connect Fitting(s) Service (Plastic Collar) in Engine Controls - 3.6L (LY7).
  12. Install the air inlet duct. Refer to Air Cleaner Intake Duct Replacement Engine Controls - 3.6L (LY7).
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