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GRIP PRO INSTALLATION MANUAL

6

adjuster nuts.

Chrysler® tool: C-4164

Ford® tool: T70P4067-A

9. Remove bearing cap bolts and 

bearing caps.

10. Remove differential case. It may 

be necessary to use a pry bar as 

shown in 

Figure 2

. Exercise caution 

when prying on the carrier so that 

the gasket sealing surface is not 

damaged. Place shims/adjuster nuts 

and bearing cups with their respective 

bearing cap.

Note: 

Adjuster nuts will stay in the 

housing in some axles.

11. Remove and discard the ring gear 

bolts. With a non- metallic hammer or 

brass drift punch, drive the ring gear 

loose from the differential case pilot 

and remove.

12. Remove anti-lock brake tone 

wheel if applicable. Consult vehicle 

service manual for proper procedure.

 

13. Remove differential bearing cones 

from the differential using the proper 

bearing puller and adapter. 

See 

Figure 3

.

14. Clean all parts in a suitable 

cleaning solvent and dry thoroughly. 

Clean axle housing by pushing a 

clean rag through the axle tube with 

a wooden rod. Push the rag from the 

end of the axle tube to the center 

of the axle housing. Wipe down the 

inside of the housing with a clean rag.

CAUTION:

 Do not spin-dry the 

bearings with compressed air. Serious 

damage or injury may result.

15. Remove any burrs from all 

machined surfaces in the axle 

housing, bearing cap and ring gear.

16. Inspect axle shaft bearing surface, 

bearings and seals.  Replace if 

needed.

Figure 3

Figure 2

Содержание Grip Pro

Страница 1: ...INSTALLATION MANUAL POWERTRAX COM ...

Страница 2: ...S SUPPLIED MAY DIFFER THE TRADEMARKS OF OTHERS REFERRED TO HEREIN ARE OWNEDBYTHEIRRESPECTIVECOMPANIESANDARENOTAFFILIATEDINANYWAYWITHMIDWESTTRUCK AUTOPARTS INC GDP ISATRADEMARKAND WORLD AMERICAN MOTIVE GEAR MOTIVE GEAR PERFORMANCE EXCEL AND EZ LINK ARE REGISTERED TRADEMARKS OF MIDWEST TRUCK AUTO PARTS INC USEOFTHE INCONNECTIONWITHAMARKOFMIDWESTTRUCK AUTOPARTS INC INDICATESTHATTHEMARKISREGISTEREDINA...

Страница 3: ...lical cut gears to transfer power to the wheel with the most traction Always use an 80W 90 mineral petroleum based gear oil with at least a GL 5 rating Synthetic oil and oils that contain friction modifiers are NOT recommended SPECIAL NOTES All Powertrax Grip Pro limited slip carriers require a certain amount of resistance with the ground to start to the power transfer A Grip Pro differential will...

Страница 4: ...ring gear which determines the backlash of the ring and pinion set When installing a differential the backlash should be set to the original backlash setting measured prior to disassembly To increase the backlash adjust the shim packs or threaded adjusters to move the ring gear further away from the drive pinion gear To decrease backlash move the ring gear closer to the drive pinion gear Bearing p...

Страница 5: ...e non C clip style do the following A Remove axle shaft bearing retaining plate nuts and remove the retaining plate B Use a slide hammer to remove the axle shafts Be careful not to damage the oil seals Note Some axles use shims or adjuster nuts to set the axle shaft end play Refer to the vehicle service manual for the proper removal and installation procedures for the axle shafts 5 For removable c...

Страница 6: ...lot and remove 12 Remove anti lock brake tone wheel if applicable Consult vehicle service manual for proper procedure 13 Remove differential bearing cones from the differential using the proper bearing puller and adapter See Figure 3 14 Clean all parts in a suitable cleaning solvent and dry thoroughly Clean axle housing by pushing a clean rag through the axle tube with a wooden rod Push the rag fr...

Страница 7: ...ck as necessary to create a slip fit of the differential into the differential housing A slip fit is the thickest shim pack that can be installed by hand with slight resistance It will be necessary to rotate the differential case after each shim thickness change to seat the bearings 22 Remove the differential from the differential housing Measure the combined thickness of the shims This total shim...

Страница 8: ...n Step 6 and adjust as needed To increase backlash remove shim thickness from the ring gear side and add an equal amount of shim thickness to the opposite side To decrease backlash add shim thickness to the ring gear side and remove an equal amount of shim thickness from the opposite side Note approximately 001 of shim equals 001 of backlash 32 Once the correct backlash reading has been establishe...

Страница 9: ...juster and tightening the RH adjuster the same amount Decrease backlash by loosening the RH adjuster nut and tightening the LH adjuster nut the same amount When making adjustments always make the final adjustment in the tightening direction For example if the adjuster need to be loosened one notch loosen it two notches and tighten it one When the proper backlash has been established install the ad...

Страница 10: ...ing back into the side of the carrier Make sure snap ring is properly seated before continuing If your axles are non C clip style do the following 1 Install axle shaft bearing retaining plate and nuts Tighten nuts to proper torque Note Some axles use shims or adjuster nuts to set the axle shaft end play Refer to the vehicle service manual for the proper removal and installation procedures for the ...

Страница 11: ...GRIP PRO INSTALLATION MANUAL 11 Figure 8 Figure 9 PLUG AXLE SPACER ...

Страница 12: ...L 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 dis tributor for a Return Goods Authorization RGA Number No returns will be accepted without an RGA Number Al...

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