C 3500 HD Truck 2WD V8-8.1L VIN G (2002)
1. Install a NEW crankshaft front oil seal using J42851.
2. Lubricate the sealing surface of the crankshaft front oil seal with clean engine oil.
Important: The engine front cover must be installed and the fasteners tightened while the sealant is still wet to the touch.
3. Apply sealant GM U.S. P/N 12346286, Canada P/N 10953472, or equivalent in two places (1) on the engine block where the front cover meets the
oil pan.
4. Install the engine front cover gasket into the front cover.
Important: The following method must be used when installing the engine front cover. Failure to follow the instructions will push the sealant out,
which may cause an oil leak.
5. Install the front cover.
5.1.
Hold the front cover (1) up to the crankshaft (2).
5.2.
Lift the front cover (1) while sliding the cover over the crankshaft (2).
5.3.
Slide the front cover towards the engine block (5) while keeping the cover raised.
5.4.
Lower the cover down over the dowel pin (4), allowing the front cover to rest on the sealant (3).