Suburban 1/2 Ton 4WD V8-350 5.7L (1986)
Crankshaft Main Bearing Seal: Service and Repair
Crankshaft Rear Oil Seal Replace
Fig. 45 Rear crankshaft oil seal. 1986---87 V6-262, V8-305 & V8-350
Fig. 46 Rear oil seal installation. 1986---87 V6-262, V8-305 & V8-350
1986---87 V6-262, V8-305 & V8-350
The rear main seal used on these engines is a one-piece type, and is mounted in a special seal retainer, Fig. 45. Use the following procedure to replace
the rear oil seal on these models.
1.
Raise and support vehicle, then remove transmission and flex plate.