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Home >> Ford >> 2002 >> Taurus SES, 3.0 S >> Repair and Diagnosis >> External Pages >> Different car >> Section 973 (Driveline System - General Information -- Excursion & F250-F550 Super Duty) >> Diagnosis And Testing >> Driveline System >> Component Tests >> Differential Check - Trac-Lok(R) Road Test (Dana)

Differential Check - Trac-Lok(R) Road Test (Dana)

WARNING: This page is about a different car, the 2003 Ford Pickup, 2003 Ford F550 Super Duty, 2003 Ford F450 Super Duty, and 2003 Ford Excursion. However, it is still accessible from the selected car via links, so may be relevant.
  1. Drive the vehicle for at least ten miles to warm up the axle lubricant.
    • More miles may be necessary depending on the outside temperature.
  2. Drive the vehicle in a tight circle for five minutes and then in the opposite direction for another five minutes.
  3. Make a minimum of ten figure-eight turns.
  4. If chatter is still present, drain and refill the axle with the specified type and amount of lubricant and friction modifier. Refer to SPECIFICATIONS  .
  5. Carry out the road test again.
    • There might be a slight chatter. If the chatter persists after 160 km (100 miles) of vehicle operation, install a new differential.
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