C 1500 Truck 2WD V8-4.8L VIN V (2001)
1. Clean the cylinder head valve spring seat and/or shim area.
2. Install the valve spring shim (7) (first design).
3. Install the valve stem oil seal and shim (2) (second design).
J 42078 is not required for installation of the second design seal and shim.
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.
4. Install the valve stem oil seal (first design) onto the guide.
4.1.
Lubricate the valve guide and valve stem oil seal with clean engine oil.
4.2.
Install the valve stem oil seal (first design) onto the valve stem. Push the seal down until the seal contacts the valve guide.
4.3.
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.
