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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 148 (Engine Mechanical - 4.8L, 5.3L & 6.0L) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Exhaust Manifold Removal - Right

Exhaust Manifold Removal - Right

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Important:  Do not remove the exhaust gas recirculation (EGR) valve from the pipe assembly unless service is required, if applicable.

  1. Remove the EGR valve, gasket, and bolts.
    Fig 1: Removing EGR Valve, Gasket & Bolts
    G02078695Courtesy of GENERAL MOTORS CORP.
  2. Remove the EGR pipe bolt (1) from the intake manifold.
    Fig 2: Removing EGR Pipe Bolt
    G02078696Courtesy of GENERAL MOTORS CORP.
  3. Remove the EGR pipe bolts (1) and gasket from the exhaust manifold.
    Fig 3: Removing EGR Pipe Bolts & Gasket
    G02078697Courtesy of GENERAL MOTORS CORP.
  4. Remove the EGR pipe bolts (3) from the cylinder head.
  5. Remove the EGR pipe assembly.

    With mild force, pull the EGR pipe (2) from the intake manifold.

  6. Remove the O-ring seal (1) from the EGR pipe assembly.
  7. Discard the exhaust manifold gasket (4) and O-ring seal (1).
    Fig 4: Removing Bolts, EGR Pipe & O-Ring Seal
    G02078698Courtesy of GENERAL MOTORS CORP.
  8. Remove the spark plug wires from the spark plugs.

    Do not remove the spark plug wires from the ignition coils unless required.

  9. Remove the exhaust manifold, bolts, and gasket.
  10. Discard the gasket.
    Fig 5: Removing Exhaust Manifold, Bolts & Gasket
    G02078699Courtesy of GENERAL MOTORS CORP.
  11. Remove the heat shield (2) and bolts (3) from the manifold (1), if required.
    Fig 6: Removing Heat Shield & Bolts
    G02078700Courtesy of GENERAL MOTORS CORP.