Commander 2WD V6-3.7L (2009)
NOTE: Whenever the valves springs are removed from the cylinder head it is recommended that the valve springs be inspected and tested for
reuse.
Inspect the valve springs for physical signs of wear or damage. Using a suitable valve spring tester (1), test the following;
-
Specified Valve Spring Height
-
Specified Spring Force (Valve Open)
-
Specified Spring Force (Valve Closed)
Replace any springs that do not meet specifications See: Specifications/Engine - Specifications
Intake and Exhaust Valves - Installation
INSTALLATION
1. Coat the valve stem with clean engine oil and insert it into the cylinder head.
2. Install the valve stem seal (3). Make sure the seal is fully seated and that the garter spring at the top of the seal is intact.
3. Install the spring and the spring retainer (2).
4. Using the valve spring compressor, compress the spring (6) and install the two valve spring retainer halves (1).
5. Release the valve spring compressor and make sure the two spring retainer halves (1) and the spring retainer (2) are fully seated.
6. Lubricate the camshaft journal with clean engine oil then position the camshaft, with the sprocket dowel on the left camshaft at 11 o'clock and the
right camshaft at 12 o'clock, then position the camshaft bearing caps.
