Rear Crankshaft Main Bearing Seal: Service and Repair

Crankshaft seal rear, replacing

Special tools:
999 5651 Extractor 999 5651 Extractor
999 7194 Drift 999 7194 Drift

Note! The illustrations in this service information are used for different model years and/or models. Some variation may occur. However, the essential information in the illustrations is always correct.

Removal

Removing the carrier plate
Remove the carrier plate. See: Carrier plate, replacing, B8444S, TF-80SC AWD Service and Repair.

Removing the rear sealing ring





Caution! Do not damage the mating surfaces of the crankshaft and cylinder block.

Remove the old sealing ring using puller 999 5651 Extractor 999 5651 Extractor.
Clean around the crankshaft flange and screw holes to remove any thread sealant residue. If necessary, wash and dry away any oil from the engine's rear engine block plane and the transmission clutch housing. Blow clean with compressed air.





Caution! When cleaning work around the flange, not in and out. No grinding tools or similar may be used. It is extremely important that there is no thread sealant residue or other dirt. This could cause leakage.

Note! To clean the crankshaft, use cloth 9511024.

Installation

Installing the rear sealing ring

Caution! Only Volvo approved engine oil may be used. Grease must not be used at all. It attracts dirt and results in the build-up of coke.




Lubricate the sealing ring mating surface against the cylinder block and the lips of the seal.
Fit a new sealing ring on the inner part of tool 999 7194 Drift 999 7194 Drift and screw the inner part onto the crankshaft using two old screws from the carrier plate.




Press in the sealing ring with the outer part of tool 999 7194 Drift 999 7194 Drift with the center screw to the stop.
Remove tool 999 7194 Drift 999 7194 Drift. Scrap the carrier plate screws.

Installing the carrier plate
Install the carrier plate. See to: Carrier plate, replacing, B8444S, TF-80SC AWD Service and Repair.