Drive Shaft Angle
WARNING:
On vehicles with electronic air suspension, suspension system MUST be disabled prior to hoisting or jacking. See DISABLING ELECTRONIC AIR SUSPENSION
under MAINTENANCE.
NOTE:
Ensure that all engine and transmission mounts are in good condition before performing this procedure.
- Measure ride height. See RIDE HEIGHT . Vehicle must be at curb weight (unloaded) condition. Specified pinion angles correspond to measured ride height. See Figure -Figure . Place protractor at any location along bottom of drive shaft. See Fig 1 .
- Read and record angle. Subtract frame angle to obtain drive shaft angle. On Ranger and Aerostar, adjust drive shaft angle by installing shims between rear springs and rear axle spring seats.