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Fig. 473: Pressing Piston Pin From Connecting Rod Using J 24086-C CAUTION: Avoid contact with HOT components. Wear safety glasses and protective gloves to avoid personal injury.
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado
1. Install the new piston pin and connecting rod assembly. 1. Lubricate the piston pin bores with clean engine oil. 2. Use a torch and apply MILD heat to the piston pin end of the connecting rod. 3. Use the J 24086-C in order to press the new piston pin into the piston and connecting rod assembly. See Special Tools. 4. Inspect for the proper installation of the piston and piston pin. The piston must move freely on the new piston pin with no binding or interference. NOTE: Applying excessive heat to the connecting rod may damage or NOTE: After the J 24086-C installer hub bottoms on the support IMPORTANT: When assembling the piston and connecting rod, the mark on the top of the piston must point to the front of the engine
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado
Fig. 474: Removing/Installing Piston Rings 2. Install the piston rings onto the piston. 1. Install the oil control piston ring spacer. 2. Install the lower oil control piston ring. NOTE: Use a piston ring expander to install the piston rings. The rings
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado
3. Install the upper oil control piston ring. 4. Install the lower compression piston ring. The mark on the side of the piston ring should face the top of the piston. 5. Install the upper compression piston ring. The mark on the side of the piston ring should face the top of the piston.
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado
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