Drive Pinion Preload Check and Final Depth Check

Drive Pinion Preload Check and Final Depth Check

SPECIAL SERVICE TOOL(S) REQUIRED
Description Tool Number
Pinion Seal Replacer T79-4676-A
Companion Flange Replacer T85T-4851-AH

1. Install the pinion into the carrier.

2. CAUTION: Never reuse a collapsible spacer. Upon removal, always discard the old spacer and install the new spacer for assembly.

Install a new collapsible spacer.

3. Assemble the outer pinion bearing cone and roller and thrust washer.






4. NOTE: After installation, make sure the garter spring did not pop off. If the garter spring pops off, remove and replace the seal.

Coat the pinion seal with Hypoid Gear Oil C6AZ-19580-E or equivalent meeting Ford specification ESW-M2C105-A. Install the seal with Pinion Seal Replacer T79P-4676-A.

5. Install the rear axle companion flange with Companion Flange Replacer T85T-4851-AH. Install the washer and nut and tighten the nut to 271 Nm (200 lb-ft). Check torque required to rotate pinion 1.7-2.8 Nm (15-25 lb-in). If required torque is not to specifications, continue to tighten nut in small increments until proper torque is obtained.






6. CAUTION: Never tighten the pinion nut more than 475 Nm (350 lb-ft), or the collapsible spacer will be compressed too far.

If the reading is more than 2.8 Nm (25 lb-in), the collapsible spacer must be replaced.