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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1021 (Engine Mechanical - 8.1L) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Intake Manifold Disassemble

Intake Manifold Disassemble

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the vacuum plug (513).
    2. Fig 1: View Of Vacuum Plug
    GM1310056Courtesy of GENERAL MOTORS CORP.
  2. Remove the throttle body nuts (503).
  3. Remove the throttle body (502) and gasket (501).
  4. Discard the gasket.
  5. Remove the throttle body studs (504), if required.
    6. Fig 2: View Of Throttle Body, Nuts, Studs & Gasket
    GM1310037Courtesy of GENERAL MOTORS CORP.
  6. Remove the oil fill cap (418).
  7. Remove the oil fill tube (416) and bolt (419).
    8. Fig 3: View Of Oil Fill Tube & Components
    GM1310034Courtesy of GENERAL MOTORS CORP.
  8. Remove the bolt and manifold absolute pressure (MAP) sensor.
  9. Inspect the MAP sensor grommet for damage.
    10. Fig 4: View Of MAP Sensor & Grommet
    GM471023Courtesy of GENERAL MOTORS CORP.
  10. Remove the evaporative emission (EVAP) tube.
    11. Fig 5: View Of EVAP Tube
    GM471013Courtesy of GENERAL MOTORS CORP.
  11. Remove the EVAP purge valve and bolt.
    12. Fig 6: View Of EVAP Purge Valve & Bolt
    GM471015Courtesy of GENERAL MOTORS CORP.
  12. Inspect the O-ring seal for damage. Replace as needed.
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