Bonneville V8-350 5.7L DSL (1984)
temperature vulcanizing sealant).
C.
Make sure all R.T.V. sealant is removed from the case oil pan face.
3.
Replace the past transmission oil pan, with service package number 8639907 which contains the following:
PART NUMBER
QUANTITY
DESCRIPTION
8639556
1
Transmission Oil Pan
8634198
1
Gasket Trans. Oil Pan
8643693
16
Bolt Asm, With Conical Washer
4.
When replacing the oil pan, it is critical that a torque wrench is used to tighten the hex head screw. DO NOT USE IMPACT WRENCH.
Torque all hex head screws to 11.0 N-m (9.0 ft.lbs.), then retorque all the hex head screws a second time to the same specifications as above. The
second re-torque is important because the gasket material relaxes after the first tightening.