GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Pontiac
🢒
2007
🢒
G6
🢒
Engine
🢒
Engine Mechanical - 2.4L
🢒 Valve Stem Oil Seal and Valve Spring Replacement
Tools Required
•
J 43649
Valve Spring Compressor
•
J 36017
Valve Guide Seal Remover
Removal Procedure
Remove the camshaft. Refer to
Intake Camshaft and Valve Lifter Replacement
or
Exhaust Camshaft and Valve Lifter Replacement
.
Remove the camshaft roller followers.
Install the front section of the
J 43649
to the second camshaft cover bolt hole.
Install the remaining parts of the
J 43649
to the cylinder head.
Remove the spark plugs. Refer to
Spark Plug Replacement
.
Install an air hose adapter into the spark plug hole.
Attach an air hose to the adapter
Using the compressed air, pressurize the cylinder to 690 kPa (100 psi).
Compress the valve spring using the
J 43649
.
Remove the valve spring keepers.
Remove the valve spring retainer.
Remove the valve spring.
Using the
J 36017
remove the valve seal.
Installation Procedure
Using the
J 36017
install the NEW valve seal. Fully seat the seal onto the valve guide.
Install the valve spring.
Install the valve spring retainer.
Compress the valve spring using the
J 43649
.
Install the valve spring keepers.
Disconnect the air hose from the adapter.
Remove the air hose adapter from the spark plug hole.
Remove the
J 43649
from the cylinder head.
Install the spark plugs. Refer to
Spark Plug Replacement
.
Install the camshaft roller followers.
Install the camshaft. Refer to
Intake Camshaft and Valve Lifter Replacement
or
Exhaust Camshaft and Valve Lifter Replacement
.