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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 638 (Driveline System - General Information -- Excursion & F250-F550 Super Duty) >> Diagnosis And Testing >> Driveline System >> Component Tests >> Differential Check - Traction-Lok® Road Test (Ford)

Differential Check - Traction-Lok® Road Test (Ford)

WARNING: This page is about a different car, the 2004 Ford Pickup, 2004 Ford F550 Super Duty, 2004 Ford F450 Super Duty, 2004 Ford Excursion, and 2004 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
  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-Lok® 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-Lok® feature of the differential. Release the brake when traction is established. Use light throttle on starting to provide maximum traction.
  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-Lok® has transferred as much torque as possible to the non-slipping wheel.
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