Crankshaft Oil Seal - Front
Crankshaft Oil Seal - Front
2002-24v 11000 miles. Had bad oil leak around front and lower front of eng. Cleaned all oil off and was ready to replace front seal. Removed the damper and was ready to remove the front cover, but did not look like the seal was leaking. Put it back to gather and added a larger catch bottle to the vent tube. After a few miles oil started to show up on eng front. Well back to replacing the seal. In my Service Manual some one had written a note that stated " Follow the directions that came with the new seal " Well no directions with my new seal. In the seal box was a seal, steel ring and a plastic seal pilot. Is there any trick to installing the seal?
Cummins Guru


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From: Sunny Southern California Land of Fruits and Nuts
GEAR HOUSING COVER
REMOVAL
1.Remove fan drive assembly.
2.Remove the fan belt Drive Belt Installation
3.Remove belt tensioner Drive Belt Installation .
4.Remove oil fill tube and adaptor Oil Fill Tube .
5.Remove vibration damper.
6.Remove the bolts that hold the gear cover to the gear housing.
7.Gently pry the cover away from the housing, taking care not to mar the gasket surfaces Gear Housing and Cover
8.Clean the old gasket residue from the back of the gear cover and front of the gear housing.
INSTALLATION
1.Lubricate the front gear train with clean engine oil.
2.Thoroughly clean the front seal area of the crankshaft. The seal lip and the sealing surface on the crankshaft must be free from all oil residue to prevent seal leaks.
3.Apply a bead of Loctite 277 to the outside diameter of the seal.
4.Install the seal into the rear of the cover using a plastic hammer and the alignment/installation tool provided in the seal kit to prevent damage to the seal carrier, hit the alignment/installation tool alternately at the 12, 3, 6 and 9 o'clock positions.
5.Install the pilot from the seal kit onto the crankshaft.
6.Using the pilot as an alignment tool, install the cover and a new gasket.
7.Install the cover bolts and tighten to 24 N·m (18 ft. lbs.) torque. Remove pilot tool.
8.Install the oil fill tube and mounting bolts. Tighten the bolts to 43 N·m (32 ft. lbs.) torque.
9.Install the vibration damper. DO NOT tighten the bolts to the correct torque value at this time.
10.Install the belt tensioner. Tighten the mounting bolts to 43 N·m (32 ft. lbs.) torque.
11.Raise the belt tensioner to install the belt.
12.Tighten the vibration damper bolts to 125 N·m (92 ft. lbs.) torque. Use an engine barring tool to keep the engine from rotating during tightening operation.
13.Install the fan drive assembly.
REMOVAL
1.Remove fan drive assembly.
2.Remove the fan belt Drive Belt Installation
3.Remove belt tensioner Drive Belt Installation .
4.Remove oil fill tube and adaptor Oil Fill Tube .
5.Remove vibration damper.
6.Remove the bolts that hold the gear cover to the gear housing.
7.Gently pry the cover away from the housing, taking care not to mar the gasket surfaces Gear Housing and Cover
8.Clean the old gasket residue from the back of the gear cover and front of the gear housing.
INSTALLATION
1.Lubricate the front gear train with clean engine oil.
2.Thoroughly clean the front seal area of the crankshaft. The seal lip and the sealing surface on the crankshaft must be free from all oil residue to prevent seal leaks.
3.Apply a bead of Loctite 277 to the outside diameter of the seal.
4.Install the seal into the rear of the cover using a plastic hammer and the alignment/installation tool provided in the seal kit to prevent damage to the seal carrier, hit the alignment/installation tool alternately at the 12, 3, 6 and 9 o'clock positions.
5.Install the pilot from the seal kit onto the crankshaft.
6.Using the pilot as an alignment tool, install the cover and a new gasket.
7.Install the cover bolts and tighten to 24 N·m (18 ft. lbs.) torque. Remove pilot tool.
8.Install the oil fill tube and mounting bolts. Tighten the bolts to 43 N·m (32 ft. lbs.) torque.
9.Install the vibration damper. DO NOT tighten the bolts to the correct torque value at this time.
10.Install the belt tensioner. Tighten the mounting bolts to 43 N·m (32 ft. lbs.) torque.
11.Raise the belt tensioner to install the belt.
12.Tighten the vibration damper bolts to 125 N·m (92 ft. lbs.) torque. Use an engine barring tool to keep the engine from rotating during tightening operation.
13.Install the fan drive assembly.
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