5_108.bk Page 225 Thursday, October 4, 2001 11:45 AM
REPAIR INSTRUCTIONS 299
Figure 299 — Oil Pan Stud Identification
The isolating oil pan gasket contains 12 integral locating/retaining cones which lock into holes drilled through the oil pan rails, and two large rectangular tabs located directly across from each other on the inner perimeter of the gasket. The cones keep the gasket properly located during oil pan installation, and the rectangular tabs serve as a starting point for locating the gasket on the oil pan rail. OIL PAN INSTALLATION 1. Clean any oil from the cylinder block mounting surface and the oil pan rail. The oil pan must be installed dry.
Oil on the surface of the gasket or the rails of the cylinder block and oil pan during oil pan installation can cause the gasket to bulge out between any two bolts, particularly those at the mid-section corners. This condition may not occur immediately, but can do so at any time after installation. To avoid this occurrence, wipe any oil from the inner walls of the cylinder block crankcase and then clean the rails of the cylinder block and oil pan with a solvent such as lacquer thinner. Dry the cleaned surfaces completely. 2. Position the isolating oil pan gasket on the oil pan rails with ribbed side facing up. 3. Beginning at the center of the pan at one of the rectangular tabs, align rubber locating cones with corresponding holes in the oil pan rails.
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