Arb RD103 User Manual download pdf (Page 8)

2 Removing the Existing Differential

2.1 Vehicle Support

c Safely secure the vehicle on a hoist. We recommend supporting

the vehicle on a chassis hoist to keep the differential area at a

convenient working height and to leave the wheels and axles free

to be rotated and removed.

c Once supported off the ground, release the parking brake and

leave the vehicle in neutral. Chock the wheels if necessary.

2.2 Differential Fluid Drain

HINT : This is a good time to check for metal particles in

your oil, on your drain plug, or in the bottom of the

housing which may indicate a worn bearing or

differential component.

c Clean any loose dirt from around the differential cover flange area,

the filler plug area, and the drain plug (if any) to avoid

contaminating the differential cavity with abrasive particles.

c Position a fluid drain reservoir under the differential.

c If a drain plug exists, remove it and completely drain all differential

oil from the housing.

c If no drain plug exists then the oil can be drained by loosening the

cover bolts and gently prying the cover away at the bottom until oil

runs out.

HINT : If a drain plug does not exist then it would be a good

idea to drill and tap for a tapered oil drain plug to assist

with future oil changes.

c Once drained, remove the differential cover plate.

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Arb RD103 User Manual Page 8