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Fig. 3: Checking Cylinder Head for Warpage VALVE SPRINGS Inspect valve springs for corroded or pitted valve spring surfaces which may lead to breakage. Polished spring Inspect valve springs for squareness using a 90-degree straightedge. See Fig. 4 . Replace valve spring if out-of-
1998 Chevrolet Pickup C1500 GENERAL INFORMATION Engine Overhaul Procedures
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