Crankshaft Oil Seals (Front And Rear) - Detroit Diesel 92 Series Service Manual

1.8 CRANKSHAFT OIL SEALS ( FRONT AND REAR)
1.8.2
Removal of Crankshaft Oil Seal (with Front Cover, Trunnion, or
Flywheel Housing Removed)
Remove the crankshaft oil seals as follows:
1. Remove the engine front cover. Refer to section 1.11.2.
2. Remove the flywheel housing. Refer to section 1.19 .2.
3. Support the outer face of the cover, trunnion, or housing on wood blocks.
4. Drive the oil seal out, and clean the seal bore in the cover or housing.
1.8.3 Removal of Front/Rear Crankshaft Oil Seal (with Front Cover,
Trunnion, or Flywheel Housing Installed)
When necessary, oil seals may be removed without removing the front cover, trunnion, or
flywheel housing as follows: ·
1. Drill holes directly opposite each other in the seal casing.
2. Install metal screws with flat washers.
3. Pry against the flat washers with suitable pry bars to remove the seals.
1.8.4
Removal of Oil Seal Sleeve
If necessary, remove the oil seal sleeve as follows:
1. Peen the outside diameter until the sleeve stretches sufficiently so that it becomes loose.
2. Slip the sleeve off the crankshaft
NOTE:
On 12V and 16V trunnion mounted engines, a replaceable sleeve is part of the vibration
damper hub. For proper replacement procedures, refer to section 1.14.4.
1-182
All i!M,tmation subject
to
changs
without notice.
6SE379 9909 Copyright© 1999 DETROIT DIESEL CORPORATION
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