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8. Rocker arm ears contacting valve spring retainer. 9. Rocker arm loose, adjuster stuck or at maximum extension and still leaves lash in the system. 10. Oil leak or excessive cam bore wear in cylinder head. 11. Faulty lash adjuster. a. Check lash adjusters for sponginess while installed in cylinder head and cam on camshaft at base circle. b. Remove suspected lash adjusters, and replace. c. Before installation, make sure adjusters are full of oil. This can be verified by little plunger travel when lash REMOVAL 1. Disconnect battery negative cable. 2. Raise the vehicle on a hoist. 3. Disconnect the exhaust pipe at the right side exhaust manifold. 4. Drain the engine coolant (Refer to 7 - COOLING - STANDARD PROCEDURE). 5. Lower the vehicle. 6. Remove the intake manifold (Refer to 9 - ENGINE/ MANIFOLDS/INTAKE MANIFOLD - REMOVAL). 7. Remove the cylinder head cover (Refer to 9 - ENGINE/CYLINDER HEAD - REMOVAL). 8. Remove the fan shroud (Refer to 7 - COOLING/ ENGINE/RADIATOR FAN - REMOVAL). 9. Remove oil fill housing from cylinder head. 10. Remove accessory drive belt (Refer to 7 - COOL- ING/ACCESSORY DRIVE/DRIVE BELTS - REMOVAL). 11. Rotate the crankshaft until the damper timing mark is aligned with TDC indicator mark (2). 9 - 2082 ENGINE - 3.7L - SERVICE INFORMATION DR/DH |