2007 Wrangler JK Factory Service Manual Not in the contents tree

REMOVAL - CYLINDER HEAD


1. Drain the cooling system. (Refer to 7 - COOLING - STANDARD PROCEDURE)
2. Disconnect negative cable from battery.
3. Remove upper and lower intake manifolds. (Refer to 9 - ENGINE/MANIFOLDS/INTAKE MANIFOLD - REMOVAL)

WARNING: INTAKE MANIFOLD GASKET IS MADE OF VERY THIN METAL AND MAY CAUSE PERSONAL INJURY, HANDLE WITH CARE.


4. Remove the cylinder head covers. (Refer to 9 - ENGINE/CYLINDER HEAD/CYLINDER HEAD COVER(S) - REMOVAL)
5. Remove the spark plugs from cylinder head.
6. Remove the oil level indicator and tube .


7. Remove exhaust manifold(s). (Refer to 9 - ENGINE/MANIFOLDS/EXHAUST MANIFOLD - REMOVAL)
8. Remove rocker arm and shaft assemblies. (Refer to 9 - ENGINE/CYLINDER HEAD/ROCKER ARMS - REMOVAL) Remove push rods and mark positions to ensure installation in original locations.
9. Remove the eight head bolts from each cylinder head and remove cylinder heads .