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Home >> Ford >> 2003 >> Cutaway 7.3 F >> Repair and Diagnosis >> External Pages >> Different car >> Section 2501 (Transfer Case - Four Wheel Drive (4WD) Systems -- F250-F550 Super Duty) >> Diagnosis And Testing >> Four Wheel Drive (4WD) Systems - Mechanical Shift >> Pinpoint Tests >> Pinpoint Test E: Straightline Driveline Wind Up >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2010 Ford Pickup, 2010 Ford F550 Super Duty, 2010 Ford F450 Super Duty, and 2010 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

In order for the Four-Wheel Drive (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.

This pinpoint test is intended to diagnose the following: