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Home >> Mercury Truck >> 2004 >> Mountaineer AWD V8-4.6L SOHC VIN W >> Repair and Diagnosis >> Transmission and Drivetrain >> Transfer Case >> Testing and Inspection >> Pinpoint Tests >> Test D

Test D





Pinpoint Test D: Straightline Driveline Wind-up

Normal Operation

In order for the 4WD system to function correctly, tires and wheels must be the same size, be in good condition, and the front and rear axle ratios must match.

Possible Causes

- unmatched tire sizes
- unequal amounts of tire wear
- unequal tire inflation pressures
- unmatched front and rear axle ratios

Note: 4x4 high/low (4H/4L) is not intended for driving on hard/dry surfaces.

Pinpoint Test D1 - D5:




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