Differential Assembly: Service Precautions

AXLE AND DIFFERENTIAL: DIFFERENTIAL SYSTEM: PRECAUTION

* Prior to starting any work, clean the differential assembly to prevent sand or mud deposits from entering the assembly.

* When removing any light alloy components such as the differential cover, do not pry on the component with a screwdriver or similar tool. Tap the component loose using a plastic hammer.

* Always organize removed parts in the order they were removed and protect them from dirt.

* Apply differential gear oil LT to each part after it is cleaned and completely dry prior to installation.

* Do not use alkaline chemicals to clean aluminum parts, rubber parts, or ring gear set bolts.

* Do not use any cleaning solutions (ex. non-residue solvent) to clean rubber parts such as oil seals. Apply sufficient hypoid gear oil to any sliding or rotating parts.

* Do not hold any parts directly in a vise. Always use aluminum plates between the part and the vise.

* Replace any damaged or deformed snap rings.

* Do not allow scratches on the differential case contact surfaces. Scratches may lead to oil leakage.

* Before applying seal packing, completely remove any old seal packing remaining on the components using a non-residue solvent.

* After sealing components, do not allow oil to contact the seal for at least 1 hour. Do not allow scratches on any oil seal or gasket contact surface. Scratches may lead to oil leakage.

* When press-fitting an oil seal, be careful not to damage the lip of the oil seal or the surrounding surfaces.

* When replacing a bearing, replace both outer and inner races as one set.

* When replacing a bearing, do not apply load to the contact surfaces of the rollers or races.

* When replacing a hypoid gear, replace the ring gear and pinion gear as a set.

* New bearings are coated with anti-rust oil. If using new bearings, do not wash it off.

* If any bolts have excessive rust or other damage to the threads or seating surfaces, replace them.