Thunderbird L4-140 2.3L SOHC Turbo (1984)
Wheel Bearing: Technical Service Bulletins
Rear Axle Wheel Bearing Noise - Diagnostic Tips
Article No. 86-3-17
AXLE - REAR - 7.5" - WHEEL BEARING NOISE - DIAGNOSTIC TIPS
FORD 1984-85 MUSTANG, THUNDERBIRD
LINCOLN-MERCURY 1984-85 CAPRI, COUGAR
Some vehicles with Quadra-shock rear suspension may exhibit rear wheel bearing noise during various driving modes. This noise may be one or more of
the following:
1.
One tone that reacts to throttle movement similar to ring gear and pinion noise and can be heard even in neutral coast.
^
Replace the axle shaft.
2.
Random low frequency (rumble or gravel) noise over a wide speed range.
^
Replace the wheel bearing and seal.
If both noises are present, replacement of the axle shaft, wheel bearing and seal may be necessary.
OTHER APPLICABLE ARTICLES: None
WARRANTY STATUS: "INFORMATION ONLY"