Ford Workshop Service and Repair Manuals

NOTE:Establish the cause of the damage and resolve it. Check whether the bearing cage is damaged at the top, side or at the openings due to unprofessional use of a special tool or use of the wrong tool. Install a new bearing if necessary.

Check whether the ends of the taper rollers are discolored as a result of inadequate lubrication or overheating, possibly through excessive pre-load. Install a new bearing and new seals if necessary. Check the bearing is correctly lubricated.

Check whether the ends of the taper rollers are worn away due to incorrect installation, excessive pre-load or faulty bearing seating. Install a new bearing and new seals if necessary. Check the bearing is correctly lubricated.

Check whether the bearing surfaces are gray or gray/black with deposits between the rollers. Install a new bearing and new seals if necessary. Check the bearing is correctly lubricated.

Check whether the bearing ring surfaces are grooved caused by static impact. Install a new bearing if its surface is rough, or if it is noisy.

NOTE:Overheating can cause loss of surface hardness. Check for a dark blue colors caused by overheating (yellow or brown is normal) due to excessive pre-load or inadequate lubrication. Install a new bearing, new seals and check other components as necessary.

Check the surfaces for abrasion due to metal fatigue. Install a new bearing and clean all other affected components as necessary.