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Chevrolet Silverado / GMC Sierra. Manual - part 2167
Cylinder bore
Bearings and bearing surfaces
2. Install the bearings to the connecting rod and cap.
3. Position the oil control ring end gaps a minimum of 25 mm (1.0 in) from each other.
4. Position the compression ring end gaps 180 degrees opposite each other.
Fig. 183: Installing Piston & Connecting Rod Assembly
Courtesy of GENERAL MOTORS CORP.
5. Install the J 41556 to the connecting rod. See Special Tools .
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. 184: View of Mark On Top Of Piston & Connecting Rod Tab
Courtesy of GENERAL MOTORS CORP.
6. Identify the proper installation direction of the piston and connecting rod assembly. When
installing the piston and connecting rod assembly, the mark on the top of the piston (1) and
the tab (2) on the side of the connecting rod should face the front of the engine.
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. 185: Installing Piston
Courtesy of GENERAL MOTORS CORP.
7. Install the J 8037 onto the piston and compress the piston rings.
8. Install the piston, pin, and connecting rod assembly into the cylinder bore. Hold the piston
ring compressor firmly against the engine block. Using a wooden hammer handle, lightly tap
the top of the piston until all piston rings have entered the cylinder bore.
9. Use the J 41556 to guide the connecting rod onto the crankshaft journal. See Special
Tools .
10. Remove the J 41556 from the connecting rod. See Special Tools .
IMPORTANT: The piston alignment mark MUST face the front of the engine
block.
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. 186: Connecting Rod Bolt, Cap & Bearing
Courtesy of GENERAL MOTORS CORP.
11. Install the bearing cap (103), bearing (104), and bolts (102).
Tighten:
1. Tighten the bolts a first pass to 20 N.m (15 lb ft).
2. Tighten the bolts a final pass to 85 degrees using the J 45059 .
NOTE:
Refer to Fastener Notice .
IMPORTANT: The connecting rod and cap must be assembled with the
mating surfaces properly aligned.
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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