Will Not Go Into 4WD Mode (4WD)

Will not go into 4WD mode

Diagnostic Procedure:

1. Fluid level too low. Add recommended fluid.

2. Incorrect fluid type. Drain and fill the differential with the recommended fluid.

Also check for:

- Most problems in the unit are to be diagnosed by identifying noises from the gears or bearings.
- Be careful during diagnosis not to confuse differential noises with those from other drivetrain components.