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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1494 (Engine Exhaust System) >> Repair Instructions >> Exhaust Manifold Replacement - Right (4.8L, 5.3L, and 6.0L Engines) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise and suitably support the vehicle. Refer to LIFTING AND JACKING THE VEHICLE in General Information.
  2. Remove the exhaust manifold pipe nuts.
  3. Lower the vehicle.
  4. Remove the oil level indicator tube. Refer to OIL LEVEL INDICATOR AND TUBE REPLACEMENT in ENGINE MECHANICAL - 4.8L, 5.3L & 6.0L article.
  5. Remove the spark plugs. Refer to SPARK PLUG .
    Fig 1: Removing Exhaust Manifold Pipe Nuts - Right (4.8L, 5.3L & 6.0L)
    G02133488Courtesy of GENERAL MOTORS CORP.
  6. Remove the exhaust manifold bolts, manifold, and gasket.
  7. Discard the gasket.
    Fig 2: Removing Exhaust Manifold, Bolts & Gasket - Right (4.8L, 5.3L & 6.0L)
    G02133489Courtesy of GENERAL MOTORS CORP.
  8. Remove the heat shield bolts (1), and shield (2) from the exhaust manifold (1), if necessary.
  9. Clean and inspect the exhaust manifold. Refer to EXHAUST MANIFOLD CLEANING AND INSPECTION .
    Fig 3: Removing Heat Shield & Bolts - Right (4.8L, 5.3L & 6.0L)
    G02133490Courtesy of GENERAL MOTORS CORP.
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