K 2500 Truck 4WD V6-262 4.3L (1988)
Timing Cover: Service and Repair
1.
Remove vibration damper and water pump.
2.
Remove oil pan, then the front cover retaining screws and cover.
3.
Clean gasket surface of block and timing case cover.
4.
Remove any excess oil pan gasket material that may be protruding at the oil pan to engine block junction.
5.
Apply a thin bead of RTV, part No. 1052366 sealer, or equivalent to the joint formed at oil pan and block.
6.
Coat new gasket with sealer and position it on cover, then install cover to oil pan seal on cover and coat bottom of seal with engine oil.
7.
Position cover on engine and install cover mounting flange reinforcement, if equipped.
8.
Install cover screws and tighten to specifications, alternately and evenly while pressing downward on cover so that dowels are aligned with holes
in cover. Do not force cover over dowels as cover can be distorted.
9.
Install remaining cover screws, vibration damper and water pump.
