Suburban 3/4 Ton 4WD V8-305 5.0L (1986)
Crankshaft Main Bearing Seal: Service and Repair
Rear Oil Seal Retainer Replace
Fig. 45 Rear crankshaft oil seal. 1986---87 V6-262, V8-305 & V8-350
1986---87 V6-262, V8-305 & V8-350
1.
Disconnect battery ground cable, raise and support vehicle, and drain oil pan.
2.
Remove transmission and flex plate.
3.
Remove oil pan retaining bolts and lower oil pan.
4.
Remove screws securing retainer, retainer and gasket, Fig. 45, then remove seal from retainer. Whenever the retainer is removed, the retainer
gasket and rear oil seal should be replaced.
5.
Clean retainer, pan and engine block mating surfaces.
6.
Position retainer gasket on block studs, install retainer and torque fasteners to 120---150 inch lbs.
7.
Install rear oil seal as outlined.
8.
Reverse remaining procedure to complete installation, using new oil pan gaskets as needed.
