K 2500 Truck 4WD V8-6.0L VIN U (1999)
1. Install the valve spring shim, if equipped.
2. Assemble the valve stem oil seal onto the valve guide.
IMPORTANT: The valve stem oil seal alignment and position on the valve guide is critical. An improperly installed valve stem oil seal may lead
to excessive oil consumption, increased vehicle emissions, or component damage.
3. Install the valve stem oil seal onto the guide.
3.1.
Lubricate the valve guide and valve stem oil seal with clean engine oil.
3.2.
Install the valve stem oil seal onto the valve stem. Push the seal down until the seal contacts the valve guide.
3.3.
Use the J 42078 in order to install the valve stem oil seal.
Push or lightly tap the tool until the tool bottoms against the valve spring shim (4.8/5.3) or spring seat (6.0).
4. Install the valve spring (3) and the valve spring cap (4).
5. Use the J 5892-D, and use the bolt, from the valve rocker arm and a washer in order to compress the valve spring.
