K 2500 Suburban 4WD V8-454 7.4L VIN N TBI (1995)
Crankshaft Main Bearing Seal: Service and Repair
REMOVAL
1.
Remove transmission, then the clutch and flywheel or flexplate, as equipped.
2.
Carefully remove seal as not to nick the crankshaft sealing surface.
3.
Inspect chamfer on crankshaft for grit, loose rust and burrs. Correct as necessary.
INSTALLATION
1.
Using rear crankshaft seal installer tool No. J-38841 or equivalent, install crankshaft rear oil seal as follows:
a. Using clean engine oil, lubricate inner and outer diameter of seal.
b. Install new seal onto tool.
c. Thread attaching screws into the tapped holes in the crankshaft.
d. Using a screwdriver, tighten attaching screws. This will ensure that the seal is installed properly over crankshaft assembly.
e. Turn tool handle until it bottoms out.
f.
Remove tool.
