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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 - Trac-Lok® Road Test (Dana)

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

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. 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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