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HOMESERVICE MANUALSCHEVROLET2006SUBURBAN K2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 4 (ENGINE MECHANICAL - 8.1L)REPAIR INSTRUCTIONSON-VEHICLE REPAIR INSTRUCTIONSINTAKE MANIFOLD REPLACEMENTINSTALLATION PROCEDURE
2006 Chevrolet Suburban K2500, 6.0 U

Installation Procedure

2006 Chevrolet Suburban K2500, 6.0 USECTION Installation Procedure
WARNING: This page is about a different variant/trim than selected.
    Fig 1: View Of Intake Manifold Splash Shield
    GM843827Courtesy of GENERAL MOTORS CORP.
  1. If replacing the intake manifold, refer to Intake Manifold Assemble .
  2. Install the splash shield.
    3. Fig 2: View Of Splash Shield & Cylinder Heads
    GM843829Courtesy of GENERAL MOTORS CORP.
  3. Ensure the splash shield (2) snap fits between the cylinder heads (1).
    4. Fig 3: View Of Intake Manifold End Seals
    GM843823Courtesy of GENERAL MOTORS CORP.
  4. Install the NEW intake manifold end seals.
    5. Fig 4: View Of Intake Manifold Gaskets
    GM843815Courtesy of GENERAL MOTORS CORP.
  5. Install the NEW intake manifold side gaskets.
    6. Fig 5: View Of Intake Manifold Gasket Tabs & Head Gasket Hole
    GM843835Courtesy of GENERAL MOTORS CORP.
  6. Ensure the intake manifold gasket tabs align with the hole in the head gasket.
  7. Ensure the intake manifold gasket tabs align with the slot in the intake manifold end seals.
    8. Fig 6: View Of Intake Manifold
    GM843798Courtesy of GENERAL MOTORS CORP.
  8. Install the intake manifold.
    9. Fig 7: View Of Intake Manifold Bolts
    GM843795Courtesy of GENERAL MOTORS CORP.
  9. Apply threadlock, GM P/N 12345382 (Canadian P/N 10953489), or equivalent to a minimum of eight threads of the intake manifold bolts.
  10. Install the intake manifold bolts.
    11. Fig 8: Intake Manifold Bolts Tightening Sequence
    GM843844Courtesy of GENERAL MOTORS CORP.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.