Inspection After Disassembly

Clean and inspect the disassembled parts. If part are worn or damaged, follow the measures below.

Drive Pinion and Drive Gear 

• If the drive pinion and drive gear teeth do not mesh or line-up correctly, determine the cause and adjust, repair, or replace as necessary.
• If the drive pinion or drive gear are worn, cracked, damaged, pitted or chipped (by friction) noticeably, replace with new drive pinion and drive gear.
• Drive pinion and drive gear are supplied in matched sets only. Matching numbers on both drive pinion and drive gear are etched for verification. If a new drive pinion and drive gear set are being used, verify the numbers of each drive pinion and drive gear before proceeding with assembly.

Bearing 

• If bearings are chipped (by friction), pitted, worn, rusted, scratched, or unusual noise is coming from bearing, replace with new bearing assembly (as a new set).
• Bearing must be replaced with a new one whenever disassembled.

Side Gear and Pinion Mate Gear 

• If any cracks or damage are found on the surface of the teeth, replace case assembly.
• If any worn or chipped marks are found on the side of the side gear and pinion mate gear which contact the thrust washer, replace case assembly.

Drive Pinion Washer 

• If any chips (by friction), damage, or unusual wear are found, replace with new one.

Side Bearing Adjusting Shim 

• If any chips (by friction), damage, or unusual wear are found, replace with new one.

Gear Carrier 

• If any wear or cracks are found on the contact sides of gear carrier, replace with new one.

Companion Flange 

• If any chips or other damage on the companion flange surface which contacts the front oil seal lips are found, replace with new one.

Differential Case Assembly 

• If any wear or cracks are found on the case assembly, replace with new one.