|
|
CAUTION: Do not lay the cylinder head on its gasket sealing surface, do to the design of the cylinder head CLEANING To ensure engine gasket sealing, proper surface preparation must be performed, especially with the use of alumi- INSPECTION 1. Inspect the cylinder head for out-of-flatness, using a straightedge and a feeler gauge. If tolerances exceed 0.0508 mm (0.002 in.) replace the cylinder head. 2. Inspect the valve seats for damage. Service the valve seats as necessary. 3. Inspect the valve guides for wear, cracks or looseness. If either condition exist, replace the cylinder head. INSTALLATION INSTALLATION - LEFT CYLINDER HEAD NOTE: The cylinder head bolts are tightened using BEFORE reuse. If the threads are necked down (2) the bolts should be replaced. Necking can be checked by holding a straight edge CAUTION: When cleaning cylinder head and cylin- 1. Clean the cylinder head and cylinder block mating surfaces. 9 - 926 ENGINE - 4.7L SERVICE INFORMATION ND |