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Fig. 97: Inspecting For Excessive Valve Stem To Guide Clearance 2. A valve stem (1) and guide (2), with excessive clearance, must be replaced or the cylinder head replaced. Refer to Engine Mechanical Specifications (RPO LY5 VIN J) or Engine
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
(RPO LY2 VIN C) or Engine Mechanical Specifications (RPO LH6 VIN M) or Fig. 98: Identifying Inspection Points For Valves Damage 3. Inspect the valve stems for excessive scoring, wear, or warpage.
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
A valve stem that has excessive scoring (3 or 4) or wear (4 or 6) must be replaced. If a valve guide is worn or has excessive stem-to-guide clearance, the cylinder head 4. Measure the valve stem diameter. A valve stem with a diameter less than 7.95 mm (0.313 in) must be replaced. If the valve stem diameter is within specifications, and the stem-to-guide clearance is Valve and Seat Grinding
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Fig. 99: Identifying Inspection Points For Valves Damage IMPORTANT: Reconditioning the valve seats is very important. The
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Content .. 2139 2140 2141 2142 ..
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