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The axle shaft must turn with even pressure throughout the check without slipping or binding. If the torque Traction-Lokohm Differential Check Road Test 1. Place one wheel on a dry surface and the other wheel on ice, mud or snow. 2. Gradually open the throttle to obtain maximum traction prior to break away. The ability to move the vehicle demonstrates correct operation of a Traction-Lokohm rear axle assembly (4006). 3. When starting with one wheel on an excessively slippery surface, a slight application of the parking brake may be necessary to help energize the Traction-Lokohm feature of the differential. Release the brake 4. If, with unequal traction, both wheels slip, the limited slip rear axle has done all it can possibly do. 5. In extreme cases of differences in traction, the wheel with the least traction may spin after the Traction- Lokohm has transferred as much torque as possible to the non-slipping wheel. Pinion Flange Runout Check - Circular 1. Raise the vehicle on a twin-post hoist that supports the rear axle. 2. Remove the driveshaft. Refer to DRIVESHAFT & UNIVERSAL JOINTS - F150 PICKUP . 3. Check the pinion flange for damage. 4. Position the special tool on the pinion flange. CAUTION: Pinion bearing preload must be reset if the pinion nut has been loosened or removed for pinion flange reindexing or installation.
2003 Ford Pickup F150 2003 GENERAL INFORMATION Driveline System - General Information - F150 Pickup
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