Wrangler 2WD V6-3.8L (2008)
Valve Cover: Service and Repair
Right
Removal
REMOVAL
1. Disconnect negative cable from battery.
2. Disconnect spark plug wires from plugs.
3. Disconnect CCV hose from cylinder head cover.
4. Remove cylinder head cover bolts.
5. Remove cylinder head cover (1) and gasket (4).
Installation
INSTALLATION
1. Clean cylinder head and cylinder head cover mating surfaces. Inspect cylinder head cover surface for flatness. Replace gasket as necessary.
2. Inspect seal on the cover bolt for wear or damage. Replace bolt assembly (2) as necessary.
3. Inspect the PCV hose for damage. replace as necessary.
NOTE: The cylinder head cover bolts (2) contain a torque limiter sleeve and a seal. The seal and torque sleeve is replaced with the bolt.
4. Assemble gasket to cylinder cover by inserting the bolt assemblies through each bolt hole on the cover and gasket (4).
5. Install cylinder head cover and bolts (2).
6. Tighten cylinder head cover bolts to 12 Nm (105 in. lbs.).
7. Connect CCV hose to cylinder head cover.
8. Connect spark plug wires to spark plugs.
