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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 429 (Engine Mechanical - 1.8L (LNK)) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Piston and Connecting Rod Disassemble

Piston and Connecting Rod Disassemble

WARNING: This page is about a different car, the 2003 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: Handle the piston carefully. Worn piston rings are sharp and may cause bodily injury.
  1. Disassemble the piston rings. Use a suitable tool in order to expand the rings. The piston rings must not be reused.
    Fig 1: Expanding Rings
    G01546511Courtesy of GENERAL MOTORS CORP.
  2. Using a screwdriver, remove the piston snap rings.
    Fig 2: Removing Piston Snap Rings
    G01546512Courtesy of GENERAL MOTORS CORP.
  3. After removing the piston snap rings, remove the piston pin and remove the connecting rod.
    • The piston and pin are a matched set.
    • Arrange the pistons, pins, rings, connecting rods and bearings in correct order.
Fig 3: Removing Piston Pin
G01546513Courtesy of GENERAL MOTORS CORP.