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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 Hanger Mounting Bracket Replacement (6.0L, 6.6L, and 8.1L 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. Remove the exhaust manifold pipe. Refer to Exhaust Manifold Pipe Replacement (6.0, 6.6, and 8.1L Engines) .
  2. Remove the catalytic converter. Refer to Catalytic Converter Replacement (4.3L, 4.8L, and 5.3L Engines)  or Catalytic Converter Replacement (6.0L and 8.1L Engines) .
  3. If equipped with a 4L60-E automatic transmission, remove the exhaust pipe hanger bracket bolts.
    Fig 1: Removing Exhaust Pipe Hanger Bracket Bolts (w/4L60-E Transmission)
    G02133607Courtesy of GENERAL MOTORS CORP.
  4. If equipped with a 6.0L engine and a 4L80-E automatic transmission, remove the exhaust pipe hanger bracket bolts.
    Fig 2: Removing Exhaust Pipe Hanger Bracket Bolts (6.0L w/4L80-E Transmission)
    G02133608Courtesy of GENERAL MOTORS CORP.
  5. If equipped with a 6.0L, or 8.1L engine and a 4L80-E automatic transmission, remove the exhaust pipe hanger bracket bolts.
    Fig 3: Removing Exhaust Pipe Hanger Bracket Bolts (6.0L & 8.1L w/4L80-E Transmission)
    G02133609Courtesy of GENERAL MOTORS CORP.
  6. If equipped with a 6.0L engine and a 5-speed manual transmission, remove the transmission bolts.
    Fig 4: Removing Transmission Bolts (6.0L w/5-Speed Manual Transmission)
    G02133610Courtesy of GENERAL MOTORS CORP.
  7. If equipped with a 6.0L engine and a 5-speed manual transmission, remove the exhaust pipe hanger bracket bolts.
    Fig 5: Removing Exhaust Pipe Hanger Bracket Bolts (6.0L w/5-Speed Manual Transmission)
    G02133611Courtesy of GENERAL MOTORS CORP.
  8. If equipped with a 6.6L or 8.1L engine and a Allison transmission, remove the exhaust pipe hanger bracket bolts.
    Fig 6: Removing Exhaust Pipe Hanger Bracket Bolts (6.6L & 8.1L w/Allison Transmission)
    G02133612Courtesy of GENERAL MOTORS CORP.
  9. If equipped with a 6.6L or 8.1L engine and a 6-speed manual transmission, remove the exhaust pipe hanger bracket bolts.
  10. Remove the exhaust manifold pipe bracket.
    Fig 7: Removing Exhaust Pipe Hanger Bracket Bolts (6.6L & 8.1L w/6-Speed Manual Transmission)
    G02133613Courtesy of GENERAL MOTORS CORP.
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