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March 1, 1999 Service bulletin

Vehicles with limited slip / traction-lok rear axles may exhibit a chatter noise while turning

Ford technical service bulletin 12521 for 1998-1999 Ford Explorer, 1998-1999 Ford Ranger and 1998-1999 Mercury Mountaineer.

Bulletin number
12521
Component
Power train: axle assembly
Summary
Vehicles with limited slip / traction-lok rear axles may exhibit a chatter noise while turning. Tt

Owners of these vehicles have filed 360 complaints in the transmission category.

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