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TSB 02-06-99 Rev. A

Front Wheel Bearing Grease Is Evident On The Bearing Seal Area.

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Date: Dec 17, 1999

This bulletin supersedes TSB 02-06-99, dated June 11, 1999. Revisions include the addition of 4X2 models and the 2000 model year.

Models: 1994 -2000 BR/BE

1997 - 2000 (AN) Dakota
1994 - 2000 (BR/BE) Ram Truck
1998 - 2000 (DN) Durango

Discussion:

Front wheel bearings may incorrectly be diagnosed as faulty due to the evidence of wheel bearing grease on the bearing seal areas. This grease purge is a normal design condition. The factory fill of the bearings include a slightly greater amount of grease than is required for the bearing lifetime lubricant. A portion of the grease purges through the self-venting seal in the initial few thousand miles to form an additional barrier in the area of the seal and the stamped slinger. This barrier aids in the prevention of contaminants passing through the seal and into the bearing. Do not remove or clean the purged grease as part of normal maintenance due to the fact that it provides additional protection and once removed, damage to the seal and bearing could result.

NOTE: UNDER NORMAL CONDITIONS, THERE MAY BE A SPLATTERING OF GREASE RADIALLY OUTWARD ON THE STEERING KNUCKLE FROM THE GREASE BARRIER AREA THAT CAN BE AS THICK AS 4 MM (0.125 IN.).

Front wheel bearings should be replaced only if:

notes:

POLICY:   Information Only


Thanks to Bob Bergevin for supplying this TSB information

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This page was edited on: May 3, 2004