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Home >> GMC >> 2003 >> Yukon Denali >> Repair and Diagnosis >> External Pages >> Different car >> Section 497 (Engine Mechanical (Repair Instructions -- 1 Of 3) -- 4.8L, 5.3L & 6.0L) >> Repair Instructions (On-Vehicle & Off-Vehicle - Part 1) >> Off-Vehicle Repair Instructions - Part 1 >> Intake Manifold Removal

Intake Manifold Removal

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2004 GMC Yukon XL, 2004 GMC Yukon, 2004 Chevrolet Tahoe, 2004 Chevrolet Suburban, and 2004 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
    IMPORTANT:
    • 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.
    • DO NOT use the intake manifold-to-cylinder head gaskets again.
  1. Remove the positive crankcase ventilation (PCV) hose - dirty air.
    2. Fig 1: View Of PCV Hose
    GM1201537Courtesy of GENERAL MOTORS CORP.
  2. Remove the manifold absolute pressure (MAP) sensor (714), if required.
    3. Fig 2: View Of MAP Sensor
    GM1277093Courtesy of GENERAL MOTORS CORP.
  3. Remove the engine coolant air bleed clamp and hose from the throttle body.
  4. Remove the evaporative emission (EVAP) solenoid (708), bolt (710), and isolator (709).
    5. Fig 3: View Of EVAP Purge Solenoid, Bolt & Isolator
    GM1277094Courtesy of GENERAL MOTORS CORP.
  5. Remove the intake manifold bolts.
  6. Remove the intake manifold with gaskets.
    7. Fig 4: View Of Intake Manifold & Bolts
    GM1201541Courtesy of GENERAL MOTORS CORP.
  7. Separate the intake manifold-to-cylinder head gaskets (514) from the manifold.
  8. Discard the intake manifold gaskets.
    Fig 5: View Of Intake Manifold-To-Cylinder Head Gasket
    GM1277097Courtesy of GENERAL MOTORS CORP.
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