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Chevrolet Silverado / GMC Sierra. Manual - part 2119
Fig. 26: View Of Piston Pin Retaining Clip & Cutout Area Of Pin Bore
Courtesy of GENERAL MOTORS CORP.
3. Rotate the piston pin retainers until the ring end gaps are positioned in the cutout area (1) of
the pin bore.
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado,
Sierra & Silverado
Fig. 27: Piston Pin Retainer
Courtesy of GENERAL MOTORS CORP.
4. Remove the retainers starting in the cutout area of the pin bore.
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado,
Sierra & Silverado
Fig. 28: Piston Pin, Piston & Connecting Rod
Courtesy 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.
PISTON, CONNECTING ROD, AND BEARING CLEANING AND INSPECTION
Piston, Pin, and Piston Rings
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado,
Sierra & Silverado
Fig. 29: View Of Piston, Pin & Piston Rings
Courtesy of GENERAL MOTORS CORP.
IMPORTANT:
Replace pistons, pins, and connecting rods that are
damaged or show signs of excessive wear.
The piston and pin are to be serviced as an assembly.
Do not wire brush any part of the piston.
Measurement of the components should be taken with
the components at normal room temperature.
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado,
Sierra & Silverado
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