Tensioner

TENSIONER






CAUTION: The 4.0L is NOT a freewheeling engine. Therefore, the valve train rocker assemblies must be removed before attempting to rotate either crankshaft or camshafts independently of each other.

1. Disconnect and isolate the negative battery cable.
2. Remove the front timing belt cover Engine Timing Cover(s) - Removal.
3. Mark belt running direction, if timing belt is to be reused.

CAUTION: When aligning timing marks, always rotate engine by turning the crankshaft. Failure to do so will result in valve and/or piston damage.

4. Rotate engine clockwise until crankshaft (10) mark aligns with the TDC mark on oil pump housing (9) and the camshaft sprocket (2, 7) timing marks (1, 8) are aligned with the marks on the rear cover.
5. Raise and support the vehicle.





6. Remove bolt (2) and reposition oil cooler hose (1).





7. Remove the timing belt tensioner (12).
8. Inspect the tensioner for fluid leakage.
9. Inspect the tensioner pivot and bolt for free movement, bearing grease leakage, and smooth rotation. If not rotating freely, replace the tensioner arm and pulley assembly.