LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 2003 >> Yukon Denali >> Repair and Diagnosis >> External Pages >> Different car >> Section 521 (Engine Mechanical (Repair Instructions -- 2 Of 3) -- 4.8L, 5.3L & 6.0L) >> Repair Instructions (Off-Vehicle - Part 2) >> Piston and Connecting Rod Disassemble >> Full-Floating Piston Pin

Full-Floating Piston Pin

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 GMC Yukon XL, 2004 GMC Yukon, 2004 Chevrolet Tahoe, 2004 Chevrolet Suburban, and 2004 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the connecting rod bearings (3) from the rod (2) and cap (4).
    2. Fig 1: View Of Piston & Connecting Rod Components
    GM1366359Courtesy of GENERAL MOTORS CORP.
  2. Using piston ring pliers, remove the piston rings from the piston.
    3. Fig 2: Removing/Installing Piston Rings
    GM490763Courtesy of GENERAL MOTORS CORP.
  3. Rotate the piston pin retaining clips until the ring end gap is positioned in the cutout area (1) of the pin bore.
    4. Fig 3: View Of Piston Pin Retaining Clip & Cutout Area Of Pin Bore
    GM1366364Courtesy of GENERAL MOTORS CORP.
  4. Remove the clips starting in the cutout area of the pin bore.
    5. Fig 4: Piston Pin Retaining Clips
    GM1366368Courtesy of GENERAL MOTORS CORP.
  5. Remove the pin from the piston and connecting rod.
  6. The piston and pin are a matched set and are not to be serviced separately.

    Mark, sort, or organize the piston and the matching piston pin.

    7. Fig 5: View Of Piston Pin, Piston, Clips & Connecting Rod
    GM35866Courtesy of GENERAL MOTORS CORP.
scientia non olet · About LEMON Manuals