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Fig. 302: Oil Pump & Mounting Bolt IMPORTANT: Do not reuse the oil pump driveshaft retainer. During assembly, install a NEW oil pump driveshaft retainer.
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado
2. Install the oil pump. Position the oil pump onto the locator pins. 3. Install the oil pump bolt. Tighten: Tighten the bolt to 90 N.m (66 lb ft). 4. Install the oil pan. Refer to Oil Pan Replacement. CRANKSHAFT REAR OIL SEAL REPLACEMENT Tools Required J 35621-B Rear Main Seal Installer. See Special Tools. Removal Procedure NOTE: Refer to Fastener Notice .
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado
Fig. 303: Crankshaft Rear Oil Seal Notches 1. Remove the flywheel. Refer to Engine Flywheel Replacement. 2. Insert a flat-tipped screwdriver into the access notches and carefully pry the seal from the housing. 3. Discard the seal. 4. Clean off any dirt or rust in the area. Installation Procedure
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado
Fig. 304: Installing Crankshaft Rear Oil Seal Using J 35621-B 1. Apply 2 to 3 drops of clean engine oil to the bore of the housing. 2. Apply 2 to 3 drops of clean engine oil to the outside diameter of the engine flywheel pilot flange. 3. Apply 1 drop of clean engine oil to the outside diameter of the flywheel locator pin. 4. Apply 2 to 3 drops of clean engine oil to the crankshaft seal surface.
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado
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