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Home >> Chevrolet >> 2015 >> Camaro LS, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Mechanical - 6.2L (L99 LS3 LSA) Or 7.0L (LS7) - Repair Instructions - On Vehicle) >> Repair Instructions - On Vehicle >> Intake Manifold Replacement (LS3, LS7, LSA) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: View Of Intake Manifold-To-Cylinder Head Gaskets
    GM1272799Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    DO NOT reuse the intake manifold gaskets. Install NEW intake manifold gaskets.

    NOTE:
    • The intake manifold, throttle body, fuel injection rail and injectors may be removed as an assembly. If not servicing the individual components, install the intake manifold as a complete assembly.
    • DO NOT use the intake manifold gaskets again. Install NEW intake manifold-to-cylinder head gaskets.
  1. Install NEW intake manifold-to-cylinder head gaskets (514).
    2. Fig 2: Intake Manifold, Bolts & Fuel Rail Stop Bracket
    GM1408860Courtesy of GENERAL MOTORS COMPANY
  2. Install the intake manifold (500).
  3. Apply a 5 mm (0.20 in) band of threadlocker to the threads of the intake manifold bolts (512). Refer to Adhesives, Fluids, Lubricants, and Sealers .
  4. Install the fuel rail stop bracket (712).
  5. Install the intake manifold bolts (512).
    6. Fig 3: Identifying Intake Manifold Bolt Tightening Sequence
    GM63222Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

  6. Tighten the intake manifold bolts to the sequence below:
    • First Pass: Tighten the intake manifold bolts in sequence to 5 N.m (44 lb in).
    • Second Pass: Tighten the intake manifold bolts in sequence to 10 N.m (89 lb in).
    7. Fig 4: MAP Sensor & Grommet
    GM1408858Courtesy of GENERAL MOTORS COMPANY
  7. Lubricate the MAP sensor grommet (715) with clan engine oil.
  8. Install the MAP sensor (714) and grommet (715).
    9. Fig 5: EVAP Clip, Bolt, Bracket, Valve & Tubes
    GM1408859Courtesy of GENERAL MOTORS COMPANY
  9. Install the EVAP valve (730), bracket (741) and bolt (742).

    Tighten the bolt to 50 N.m (37 lb ft).

  10. Install the EVAP tubes (729, 735).
  11. Install the fuel rail. Refer to Fuel Rail and Injectors Installation (LS7)Fuel Rail and Injectors Installation (LS3, L99, or LSA) .
  12. Connect the electrical connector for the MAP sensor.
    13. Fig 6: Identifying Vacuum Booster Hose
    GM63936Courtesy of GENERAL MOTORS COMPANY
  13. Install the vacuum hose for the brake booster.
  14. Connect the electrical connectors (3) for the throttle body.
  15. Connect the electrical connector (1) for the fuel injectors.
  16. Refill the cooling system. Refer to Cooling System Draining and Filling (LSA, LS3, LS7, L99 Static Fill)Cooling System Draining and Filling (GE 47716) .
  17. Install the engine covers. Refer to Engine Cover Replacement .
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