Rear Crankshaft Main Bearing Seal: Service and Repair

Crankshaft Rear Seal with Retainer Plate

Special Tool(s)

Material

Removal
1. Remove the flexplate.

2. Use the special tools to remove the rear oil seal slinger.

3. Use the special tools to remove the rear main seal.

4. If the oil dye leak test reveals a leak behind the retainer, remove the eight bolts and the crankcase rear oil seal retainer.

Installation

1. CAUTION: Do not use metal scrapers, wire brushes, power abrasive discs or other abrasive means to clean the sealing surfaces. These tools cause scratches and gouges which make leak paths. Use a plastic scraping tool to remove all traces of old sealant.

NOTE: Clean sealing surfaces with metal surface cleaner. Allow to dry until there is no sign of wetness, or four minutes, whichever is longer, failure to follow this procedure can cause future oil leakage.

Clean and inspect the mating surface.

2. CAUTION: Do not use metal scrapers, wire brushes, power abrasive discs or other abrasive means to clean the sealing surfaces. These tools cause scratches and gouges which make leak paths. Use a plastic scraping tool to remove all traces of old sealant.

NOTE: If the rear crankshaft seal retaining plate is not secured within four minutes, the sealant must be removed and the sealing area cleaned with metal surface cleaner. Allow to dry until there is no sign of wetness, or four minutes, whichever is longer. Failure to follow this procedure can cause future oil leakage.

NOTE: The sealant must be applied on the groove along the retainer plate.

Apply sealant around the rear oil seal retainer sealing surface.

3. Install the rear oil seal retainer and loosely install the eight bolts.

4. Tighten the rear oil seal retainer bolts in the sequence shown and install the two oil pan bolts.

5. NOTE: Lubricate the inner lip of the rear crankshaft seal with engine oil.

Use the special tools to install the rear main seal.

6. Use the special tools to install the rear main seal slinger.
7. Install the flexplate.