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Fig. 548: Measuring Valve Stem-To-Guide Clearance Using J 8001 10. Measure the valve stem-to-guide clearance. Excessive valve stem-to-guide clearance may cause an excessive oil consumption and may 1. Clamp the J 8001 on the exhaust port side of the cylinder head. 2. Position the dial indicator so that the movement of the valve stem from side to side, crosswise to the cylinder head, will cause a direct movement of the dial indicator stem.
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado
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