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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1929 (Engine Mechanical - 3.6L (2 Of 6)) >> Repair Instructions - On Vehicle (1 Of 2) >> Upper Intake Manifold Replacement (LY7) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Upper Intake Retaining Bolts
    GM1899156Courtesy of GENERAL MOTORS CORP.
  1. Install the upper intake manifold gaskets to the lower intake manifold and install the fir tree retainers to retain the upper intake manifold gasket position.
  2. Install the upper intake manifold.
  3. Apply threadlock to the bolt threads. Refer to Adhesives, Fluids, Lubricants, and Sealers .
    4. CAUTION: Refer to Fastener Caution .
  4. Install the upper intake manifold bolts (1) and tighten to 25 N.m (18 lb ft).
  5. If the upper manifold was replaced, complete the following steps:
    1. Install the throttle body. Refer to Throttle Body Assembly Replacement .
    2. Install the EVAP purge solenoid valve. Refer to Evaporative Emission Canister Purge Solenoid Valve Replacement .
    6. Fig 2: Engine Harness Bracket Bolt
    GM1899129Courtesy of GENERAL MOTORS CORP.
  6. Install the engine harness bracket bolt (1).
    7. Fig 3: EVAP Purge Solenoid Valve Bolt
    GM1888937Courtesy of GENERAL MOTORS CORP.
  7. Install the EVAP purge solenoid valve bolt (1) and tighten to 10 N.m (89 lb in).
    8. Fig 4: Throttle Body
    GM1887829Courtesy of GENERAL MOTORS CORP.
  8. Connect the manifold air pressure (MAP) sensor electrical connector to the map sensor (1).
    9. Fig 5: Engine Harness Retaining Clips
    GM1898395Courtesy of GENERAL MOTORS CORP.
  9. Install the brake booster vacuum hose to the intake manifold.
  10. Position the bleed pipe.
  11. Install the bleed pipe hose clamp (3).
  12. Install the bleed pipe bolts (2) and tighten to 10 N.m (89 lb in).
  13. Install the engine harness retaining clips (1) to the fuel feed pipe.
  14. Connect the coolant hose bleed pipe.
    15. Fig 6: Evaporative Emissions Canister Purge Line
    GM1898314Courtesy of GENERAL MOTORS CORP.
  15. Connect the EVAP canister purge line (1).
    16. Fig 7: Positive Crankcase Ventilation Fresh Air Pipe
    GM1897768Courtesy of GENERAL MOTORS CORP.
  16. Connect the PCV line (1) to the top of the intake manifold.
    17. Fig 8: Throttle Body
    GM1887829Courtesy of GENERAL MOTORS CORP.
  17. Connect the wiring harness electrical connector (3) to the throttle body (4).
  18. Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .
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