Jeep Cherokee (XJ): 4.0L engine

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Engine DESCRIPTION The 4.0 Liter (242 CID) six-cylinder engine is an In-line, lightweight, overhead valve engine. This engine is designed for unleaded fuel. The engine cylinder head has dual que ...

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Valve timing. Valve service. Piston fitting
Valve timing Disconnect the spark plug wires and remove the spark plugs. Remove the engine cylinder head cover. Remove the capscrews, bridge and pivot assembly, and rocker arms from above the No.1 cylinder. Alternately loosen each capscrew, one turn at a time, to avoid damaging the bridg ...