Fleetwood V8-252 4.1L VIN 8 FI (1983)
Before replacing the belt to resolve a noise condition, inspect all of the pulleys in the accessory drive system for misalignment. This can be accomplished
by observing the various pulleys with the engine running. Run-out or wobble will identify pulleys requiring attention. Observe particularly the crankshaft,
AIR pump and water pump pulleys for run-out that may be induced by loose pulley fasteners. Properly aligning the idler pulley as described in Bulletin
T-85-58 may also be indicated.
Once alignment of the belt drive system is confirmed, the service belt should be installed and the noise re-evaluated even if replacement of other
components appears to be required. Frequently a belt tensioner which appears excessively "jumpy" can be fixed by belt replacement only. This is also
true for belt noise which appears only with the A/C compressor engaged. If belt replacement fails to correct the condition, continue diagnosis of
accessory components. Special tool J-36312 has been developed to aid accessory noise diagnosis by providing a series of belts designed to allow engine
operation with each of the belt driven accessories eliminated in turn. J-36312 is available from:
Kent-Moore Tool Group Sealed Power Corporation 29784 Little Mack Roseville, Michigan 48066-2298 (313) 774-9500
