LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 834 (Engine Mechanical - 4.8L, 5.3L & 6.0L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Valve Lifter Replacement >> Removal Procedure

Removal Procedure

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 Chevrolet Tahoe, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the cylinder head and gasket. Refer to CYLINDER HEAD REPLACEMENT - LEFT  or CYLINDER HEAD REPLACEMENT - RIGHT  .
  2. Remove the valve lifter guide bolts.
    Fig 1: Removing Valve Lifter Guide & Bolts
    G02116422Courtesy of GENERAL MOTORS CORP.
  3. Remove the valve lifters and guide.
    Fig 2: Removing Valve Lifters & Guide
    G02116423Courtesy of GENERAL MOTORS CORP.

    Important:  Some valve lifters may be stuck in their bores because of gum or varnish deposits.

  4. Use J 3049-A  or equivalent in order to remove the valve lifters, if required.
    Fig 3: Removing Valve Lifter Using J 3049-A
    G02116424Courtesy of GENERAL MOTORS CORP.
  5. Remove the valve lifters from the guide.
  6. Organize or mark the components so that they can be installed in the same location from which they were removed.
  7. If required, clean and inspect the valve lifters. Refer to Valve Lifters and Guides Cleaning and Inspection  .
    Fig 4: Removing Valve Lifters From Guide
    G02116425Courtesy of GENERAL MOTORS CORP.
scientia non olet · About LEMON Manuals