GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2004
🢒
GMC K Sierra - 4WD
🢒
Engine
🢒
Engine Cooling
🢒 Cylinder Head Assemble
Tools Required
•
J 44640
Valve Stem Seal Installer
•
J 8062
Valve Spring Compressor
Important:
Lubricate the valve stem with clean engine oil before installing.
Install the valves into the cylinder head.
Install the valve spring lower seat.
Install the valve stem seal using
J 44640
.
Install the valve spring with the painted end towards the cylinder head.
Install the valve spring upper seat.
Use the
J 8062
to compress the valve spring.
Install the valve keys.
Remove the
J 8062
from the cylinder head.
Measure the valve installed height using a ruler. Measure from the base of the valve spring to the top of the valve. Refer to
Engine Mechanical Specifications
.
Install the remaining valves, springs, and other components.