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3. Remove the bolts from the front of the engine camshaft. 4. Clean and inspect the camshaft and/or bearings, if necessary. Refer to Camshaft and Bearings Cleaning and Inspection. Installation Procedure Fig. 246: Using Bolts To Handle Camshaft IMPORTANT: Whenever a new camshaft is installed, perform the following:
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado
1. Apply lubricant or engine oil supplement to the following components: The engine camshaft lobes The camshaft bearing journals The camshaft bearings Refer to Sealers, Adhesives, and Lubricants for the correct part number. 2. Install three 5/16-18 x 4.0 inch bolts into the engine camshaft front bolt holes. 3. Using the bolts as a handle, install the engine camshaft. 4. Remove the 3 bolts from the front of the engine camshaft. Change the engine oil and filter. Add engine oil supplement to the engine oil. Refer to NOTE: All camshaft journals are the same diameter, so care must be
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado
Fig. 247: View Of Camshaft Retainer & Bolts 5. If reusing the fasteners, apply threadlocker to the threads of the camshaft retainer bolts. Refer to Sealers, Adhesives, and Lubricants for the correct part number. 6. Install the camshaft retainer and bolts. Tighten: Tighten the bolts to 12 N.m (106 lb in). NOTE: Refer to Fastener Notice .
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado
7. Install the balance shaft drive gear. Refer to Balance Shaft Installation, for alignment of the balance shaft drive gear and the driven gear. 8. Install the timing chain and camshaft sprocket. Refer to Camshaft Timing Chain, Sprocket, and Tensioner Replacement. 9. Install the lifters. Refer to Valve Lifter Replacement. 10. Install the A/C condenser. Refer to Condenser Replacement . 11. Install the radiator. Refer to Radiator Replacement (4.3, 4.8, 5.3, and 6.0L) . OIL FILTER ADAPTER REPLACEMENT Removal Procedure
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado
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