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CLEANING To ensure engine gasket sealing, proper surface preparation must be performed, especially with the use of alumi- NOTE: Multi-Layer Steel (MLS) head gaskets require a scratch free sealing surface. Remove all gasket material from cylinder head and block (Refer to 9 - ENGINE - STANDARD PROCEDURE). Be Clean all engine oil passages. INSPECTION 1. Before cleaning, check for leaks, damage and cracks. 2. Clean cylinder head and oil passages. 3. Check cylinder head for flatness. 4. Cylinder head must be flat within: • Standard dimension = less than 0.05 mm (0.002 • Service Limit = 0.2 mm (0.008 inch.) • Grinding Limit = Maximum of 0.2 mm (0.008 CAUTION: 0.20 mm (0.008 in.) MAX is a combined head and block top surface (Deck) together. INSTALLATION - CYLINDER HEAD(S) RIGHT CYLINDER HEAD CAUTION: THE CYLINDER HEAD GASKETS ARE The cylinder head bolts are tightened using a BEFORE reuse. If the threads are necked down the bolts must be replaced.. Necking can be checked by holding a scale or straight CAUTION: When cleaning cylinder head and cylin- 1. Clean sealing surfaces of cylinder head and block. 9 - 2144 ENGINE - 3.5L - SERVICE INFORMATION LX |