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Home >> Chevrolet >> 2011 >> Corvette ZR-1 >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - 6.2L Or 7.0L - Repair Instructions - Off Vehicle (4 Of 5) >> Intake Manifold Installation (7.0L)

Intake Manifold Installation (7.0L)

    Fig 1: Intake Manifold Gaskets
    GM1552471Courtesy of GENERAL MOTORS CORP.
    NOTE:
    • The intake manifold, throttle body, fuel injection rail and fuel 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: View Of Intake Manifold Bolts And Fuel Rail Stop Brackets
    GM1552532Courtesy of GENERAL MOTORS CORP.
  2. Install the intake manifold (500).
  3. Apply a 5 mm (0.20 in) band of threadlock GM P/N 12345382 (Canadian P/N 10953489) to the threads of the intake manifold bolts (512). Refer to Adhesives, Fluids, Lubricants, and Sealers .
    4. Fig 3: Identifying Intake Manifold Bolt Tightening Sequence
    GM1552512Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to Fastener Caution .
  4. Install the intake manifold bolts and fuel rail stop brackets.
    1. Tighten the intake manifold bolts (1-10) a first pass in sequence to 5 N.m (44 lb in).
    2. Tighten the intake manifold bolts (1-10) a final pass in sequence to 10 N.m (89 lb in).
    5. Fig 4: MAP Sensor & Grommet
    GM1408858Courtesy of GENERAL MOTORS CORP.
  5. Lubricate the manifold absolute pressure (MAP) sensor grommet (715) with clean engine oil.
  6. Install the MAP sensor (714) and grommet (715).
    7. Fig 5: EVAP Clip, Bolt, Bracket, Valve & Tubes
    GM1408859Courtesy of GENERAL MOTORS CORP.
  7. Install the evaporative (EVAP) emission canister purge solenoid valve (730), bracket (741), and bolt (742). Tighten the bolt to 50 N.m (37 lb ft).
  8. Install the EVAP tubes (729, 735).
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