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Home >> Jeep >> 2007 >> Wrangler Rubicon, Standard >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Mechanical >> 3.8L Engine (Service Information) >> Cylinder Head >> Cover(S)-Cylinder Head >> Description >> Cylinder Head Cover

Cylinder Head Cover

Fig 1: Cylinder Head Cover Gasket
GC0064337Courtesy of CHRYSLER LLC
1 - CYLINDER HEAD COVER
2 - BOLT
3 - SEAL (SERVICED WITH BOLT)
4 - GASKET

The cylinder head covers (1) are made of composite material. The covers are sealed with steel reinforced silicon rubber gaskets. The cylinder head cover uses rubber isolators at each fastener location.

NOTE: Due to the tight packaging near the cylinder head covers, which makes spill clean-up difficult, a spill during an engine oil change may be misinterpreted as an oil leak. When investigating an oil leak in the location of the cylinder head covers and intake manifold, follow the procedure found in Oil Leak DIAGNOSIS AND TESTING  for determining the source of a leak.