GRIP PRO INSTALLATION MANUAL TABLE OF CONTENTS Important Application Note Important Lubrication Note Special Notes Introduction Maintenance Instructions Warranty BACK COVER PARTS LISTED IN THIS COMMUNICATION ARE NOT NECESSARILY MANUFACTURED BY THE ORIGINAL EQUIPMENT MANUFACTURER AND ANY REFERENCE TO THE TRADEMARKS OR PART NUMBERS OF OTHERS ARE FOR CROSS REFERENCE INFORMATIONAL PURPOSES ONLY. ANY PHOTOGRAPH PROVIDED HEREIN IS PROVIDED ONLY FOR ILLUSTRATIVE PURPOSES.
(2) items resistance with the ground to start need to be checked: to the power transfer. A Grip Pro 1. Ensure that your axle shaft differential will not transfer power if mates with the differential side gear.
GRIP PRO INSTALLATION MANUAL • Ford® 9” Part# GT109028 and These items are typically adjusted by GT109031 applications might means of shims or threaded adjusters. require the pilot bearing area to be The shims or adjusters will determine modified to clearance the carrier case.
GRIP PRO INSTALLATION MANUAL B. Use a slide-hammer to MAINTENANCE remove the axle shafts. Be careful not to damage the oil seals. It is recommended that the axle Note: Some axles use shims or lubricant be changed as required by adjuster nuts to set the axle shaft your vehicle’s service schedule.
Page 6
GRIP PRO INSTALLATION MANUAL adjuster nuts. Chrysler® tool: C-4164 Ford® tool: T70P4067-A 9. Remove bearing cap bolts and bearing caps. Figure 3 13. Remove differential bearing cones from the differential using the proper bearing puller and adapter. Figure 2 See Figure 3.
Page 7
GRIP PRO INSTALLATION MANUAL 17. Inspect differential bearings and housing. A slip fit is the thickest replace if needed. Always replace shim pack that can be installed by both the cup and cone as a set from hand with slight resistance. It will be the same manufacturer.
Page 8
GRIP PRO INSTALLATION MANUAL 26. Using new ring gear bolts, opposite side. To decrease backlash, alternately tighten each ring gear bolt add shim thickness to the ring gear to the proper torque: side and remove an equal amount of shim thickness from the opposite 3/8”...
Page 9
GRIP PRO INSTALLATION MANUAL the bearing cap bolts to the proper backlash until it matches the original torque value. reading taken in Step 6. Increase backlash by loosening the LH adjuster 40. For Chrysler® 8-1/4” & 9-1/4”, skip and tightening the RH adjuster the to Step 46.
Page 10
GRIP PRO INSTALLATION MANUAL A. Remove the snap ring fill plug and fill housing to the proper with snap ring pliers Figure 7. Then level with the lubricant described on remove the plug. See Figure 8. Page 2. Next, remove the axle spacer (where applicable) as shown in Figure 9.
THE BUYER AND NOT THE MANUFACTURER, DISTRIBUTOR OR RETAILER, ASSUMES THE EN- TIRE COST OF ALL NECESSARY SERVICING OR REPAIR. The POWERTRAX® parts warranty is voided if the part is used for competition or if it has been modified. To make a warranty claim on parts used in non-competitive applications, distribu- tors should contact POWERTRAX®, and individuals should contact their POWERTRAX®...
Need help?
Do you have a question about the Grip Pro and is the answer not in the manual?
Questions and answers