61. Crankshaft Rear Oil Seal Housing Installation

Crankshaft Rear Oil Seal and Housing Installation

Tools Required

J 35621-B Rear Main Seal Installer






Notice: Refer to Fastener Notice .

1. Install the crankshaft rear oil seal housing retainer stud.

Tighten the crankshaft rear oil seal housing retainer stud to 6 N.m (53 lb in).






Important: Always use a NEW crankshaft rear oil seal housing gasket when installing the crankshaft rear oil seal housing.


2. Install the NEW crankshaft rear oil seal housing gasket.




3. Install the crankshaft rear oil housing onto the crankshaft rear oil seal housing retainer stud.
4. Install the crankshaft rear oil seal housing nut and bolts.

Tighten the crankshaft rear oil seal housing nut and bolts to 12 N.m (106 lb in).






Important: Notice the direction of the rear oil seal. The new design seal is a reverse style as opposed to what has been used in the past. "THIS SIDE OUT" has been stamped into the seal as shown in the graphic.


5. Inspect the J 35621-B flange for imperfections that may damage the crankshaft rear oil seal. Minor imperfections may be removed with a fine grade emery cloth.
6. Clean the crankshaft sealing surface with a clean, lint free towel. Inspect the lead-in edge of the crankshaft for burrs or sharp edges that could damage the rear main oil seal. Remove the burrs or sharp edges with a fine grade emery cloth before proceeding.

Important: Do not apply or use any oil lubrication on the crankshaft rear oil seal or seal installer. Do not touch the sealing lip of the oil seal once the protective sleeve is removed.


7. Carefully remove the protection sleeve from the NEW crankshaft rear oil seal.




8. Install the crankshaft rear oil seal onto the J 35621-B .
9. Install the J 35621-B onto the rear of the crankshaft and hand tighten the tool bolts until snug.

Notice: Proper alignment of the crankshaft rear oil seal is critical. Install the crankshaft rear oil seal near to flush and square to the crankshaft rear oil seal housing. Failing to do so may cause the crankshaft rear oil seal or the crankshaft rear oil seal installation tool to fail.

10. Install the crankshaft rear oil seal onto the crankshaft and into the crankshaft rear oil seal housing.

1. Turn the J 35621-B wing nut clockwise until the crankshaft rear oil seal is installed near to flush and square to the crankshaft rear oil seal housing. Increased resistance will be felt when the crankshaft rear oil seal has reached the bottom of the crankshaft rear oil seal housing bore.
2. Turn the J 35621-B wing nut counterclockwise to release the J 35621-B from the crankshaft rear oil seal.

11. Remove the J 35621-B from the crankshaft.
12. Wipe off any excess engine oil with a clean rag.