Operation CHARM: Car repair manuals for everyone.

Preliminary Checks - Front Driving Axle (All Wheel Drive)

In order to perform an accurate road test, it is important that certain checks be performed to eliminate other possible problems that may point to the front axle. Make sure to check the following items before performing a road test.

Inspect
1. Tires for correct inflation pressure.
2. Front axle housing for correct oil level.
3. Transfer case for correct oil level.
4. Wheel nuts for correct torque specification.
5. Undercarriage for loose attaching front axle parts which may cause noise.
6. Front suspension for any loose or worn components.