Front Axle - 186FBI

1. Raise and support the vehicle.
2. Remove the lubricant fill hole plug from the differential housing cover.
3. Remove the differential housing cover and drain the lubricant from the housing.
4. Clean the housing cavity with a flushing oil, light engine oil or lint free cloth. Do not use water, steam, kerosene or gasoline for cleaning.
5. Remove the sealant from the housing and cover surfaces. Use solvent to clean the mating surfaces.

Fig. 3:

6. Apply a bead of Mopar Silicone Rubber Sealant, or equivalent, to the housing cover (Fig. 3).
Install the housing cover within 5 minutes after applying the sealant.
7. Install the cover and any identification tag. Tighten the cover bolts in a crisscross pattern to 41 Nm (30 ft. lbs.) torque.
8. For Vari-Lok differentials, a quantity of Mopar Trac-Lok lubricant (friction modifier), or equivalent, must be added after repair service or a lubricant change. Refer to the Lubricant Specifications for the quantity necessary.
9. Refill the differential with the correct lubricant to bottom of the fill plug hole. Refer to the Lubricant Specifications for the quantity necessary.
10. Install the fill hole plug and lower the vehicle. Tighten fill plug to 34 Nm (25 ft. lbs.).
11. Vari-Lok differential equipped vehicles should be road tested by making 10 to 12 slow figure-eight turns. This maneuver will pump the lubricant through the clutch discs to eliminate a possible chatter noise complaint.