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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 (1 Of 5) >> Intake Manifold Removal (6.2L LS3)

Intake Manifold Removal (6.2L LS3)

    Fig 1: MAP Sensor, Bolt & Seal
    GM2292680Courtesy 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, remove the manifold as a complete assembly.
  1. Remove the manifold absolute pressure (MAP) sensor bolt (1).
  2. Remove the MAP sensor (2).
  3. Inspect the seal (3) on the sensor for cracks or other damage. Do not remove the seal from the sensor.
    4. Fig 2: Identifying Evaporative Emission Components
    GM1876004Courtesy of GENERAL MOTORS CORP.
  4. Remove the evaporative emission (EVAP) clip (740), bolt (742), bracket (741), canister purge solenoid valve (730), and tubes (729 and 735).
    5. Fig 3: Positive Crankcase Ventilation (PCV) Hose
    GM1876005Courtesy of GENERAL MOTORS CORP.
  5. Remove the positive crankcase ventilation (PCV) hose - dirty air (716).
    6. Fig 4: Identifying Intake Manifold, Bolts & Fuel Rail Stop Brackets
    GM1876006Courtesy of GENERAL MOTORS CORP.
  6. Remove the intake manifold bolts (512) and fuel rail stop brackets (712).
  7. Remove the intake manifold (500).
    8. Fig 5: Intake Manifold Gaskets
    GM1876007Courtesy of GENERAL MOTORS CORP.
  8. Remove the intake manifold gaskets (514).
  9. Discard the intake manifold gaskets.
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