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Home arrow Positraction arrow no-Slip Advanced Positraction arrow No-Slip Positraction Installation Guide




  

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No-Slip Positraction Installation Guide Print E-mail

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How to install a positraction. Below you can find detailed installation information that provides you a look at the installation procedure prior to spending your hard earned money. This positraction is made most popular by it's ease of installation, you remove the internal parts of your carrier assembly and this unit replaces them, you don't have to re setup the ring and pinion backlash as they are not effected by this installation.

Open Differential Part Identification and Terminology

Powertrax no-Slip Differential Exploded View

Vehicle Preparation for Installation (steps 1 to 5)

Removal of Open Differential Parts (steps 6 to 10)

Preparation of Parts to be installed (steps 11 to 13)

Assembly (steps 14 to 39)

Verification of Proper Assembly Test (steps 40 to 44)

Finish Installation (steps 45 to 49)

Open Differential Part Identification and Terminology

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Powertrax no-Slip Differential Exploded View

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Installation


1. Put transmission in gear (or park), and turn off engine.

2. Set parking brake.

3. Safeguard the vehicle from rolling.

4. Safely raise vehicle and apply jack stands.

5. Put transmission in neutral and release parking brake.

Removal of Open Differential Parts

6. Remove Differential cover and drain fluid. Clean the diff cover and housing sealing surface.   guide6_large.jpg
7. Expose pinion shaft; remove retaining bolt/roll pin and shaft.   guide7_large.jpg
8. Push both axles inward and remove both c-clips. Remove o-rings from c-clip grooves on axle shafts if present.
Note: It may be necessary to remove wheels and disc brake calipers.
  guide8_large.jpg
9. Remove both spider gears and their thrust washers.   guide9_large.jpg
10. Pull passenger side axle shaft out approximately 6". Remove side gears and thrust washers.   guide10_large.jpg
Preparation of Parts to be installed

11. Verify gaps in coupler teeth are aligned with gaps in synchro ring. Place coupler in a vise and use an active spacer to align then if necessary   guide11_large.jpg

12. Apply wheel bearing grease to driver teeth and spacer.
  guide12_large.jpg
13. Apply wheel bearing grease to saddle springs and seat in holes.   guide13_large.jpg

Assembly

14. Install couplers inside differential case, ring gear side first.   guide14_large.jpg
15. Install c-clip on ring gear side axle shaft only.   guide15_large.jpg
16. Make sure paddle opening (widest gap) in ring gear side synchro ring is facing out towards you.   guide16_large.jpg
17. Insert the non-slotted spacer into the non-slotted driver. Seat the spacer paddle at the paddle opening in driver (missing extended tooth).   guide17_large.jpg
18. Insert driver/spacer as shown, making sure spacer paddle is facing out towards you.   guide18_large.jpg
19. Verify spacer paddle is aligned with paddle opening in synchro ring and press driver/spacer down onto coupler. Driver teeth should be fully engaged all the way around.   guide19_large.jpg
20. Insert the slotted spacer into the slotted driver. Seat the spacer paddle at the paddle opening in driver (missing extended tooth).   guide20_large.jpg
21. Verify paddle opening (widest gap) in other synchro ring is facing the back of the differential, away from you.   guide21_large.jpg
22. Install slotted driver/spacer making sure that paddle is pointing away from you toward rear of differential.   guide22_large.jpg
23. Verify spacer paddle is aligned with the paddle opening in synchro ring and press down on driver/spacer to seat on coupler; driver teeth should be fully engaged all the way around.   guide23_large.jpg
24. Wedge both drivers in engagement with couplers. Rotate driver's side wheel forward 1/4 turn to reveal spring slot.   guide24_large.jpg
25. Place the two inner springs inside the two outer springs.   guide25_large.jpg
26. Compress inner spring and install spring assembly into spring slot.   guide26_large.jpg
27. Visually inspect notches in spring slot to make sure inner spring is fully seated.   guide27_large.jpg
28. Keeping both drivers wedged in engagement with couplers, rotate driver's side wheel forward 1/2 turn to reveal spring slot on other side.   guide28_large.jpg
29. Compress inner spring and install the second assembly into the second spring slot.   guide29_large.jpg
30. Visually inspect notches in spring slot to make sure inner spring is fully seated.   guide30_large.jpg
31. Check the gap between drivers using check block. The narrow side of the block should fit between the drivers, but the wider side should not fit.
If driver gap is incorrect, STOP and call Powertrax Technical Support at 800-578-1020. There may be a problem with your differential case.
  guide31_large.jpg
32. Push passenger side axle shaft inward through coupler as far as it will go.   guide32_large.jpg
33. Making sure drivers stay engaged with couplers, carefully rotate wheels until c-clip slot is accessible. Verify c-clip groove on axle is accessible through c-clip slots on driver and spacer.   guide33_large.jpg
34. Insert 2nd c-clip through c-clip slot in driver onto axle shaft; pull axle shaft out to seat c-clip.   guide34_large.jpg
35. Making sure drivers stay engaged with couplers, carefully rotate both wheels backwards 1/4 turn to expose pinion shaft opening.   guide35_large.jpg
36. Feel through pinion shaft opening and verify both spacers and drivers are fully seated onto couplers. Verify all 8 saddle springs are fully seated in holes.   guide36_large.jpg
37. Keeping couplers and drivers stationary, rotate case 1/4 turn forward to align pinion shaft opening with driver saddles.   guide37_large.jpg
38. Using the retaining bolt/roll-pin into case/shaft. Tighten retaining bolt firmly.   guide38_large.jpg
39. Insert retaining bolt/roll-pin into case/shaft. Tighten retaining bolt firmly.   guide39_large.jpg

Verification of Proper Assembly Test

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40. Put transmission in gear (or park).   guide40_large.jpg
41. Turn driver's side wheel forward and hold against driveline for steps 42 & 43.   guide41_large.jpg
42. Passenger side wheel should not be able to rotate in the same direction.   guide42_large.jpg
43. Passenger side wheel should rotate freely in opposite direction.   guide43_large.jpg
44. Repeat the test for both wheels in both directions.   guide44_large.jpg

Finish Installation

45. Install differential cover with gasket sealant.   guide45_large.jpg
46. Add differential fluid.   guide46_large.jpg
47. Set parking brake.   guide47_large.jpg
48. Be sure transmission is in gear or park.   guide48_large.jpg
49. Remove jack stands, lower vehicle, then remove blocks.   guide49_large.jpg
No-Slip Differential
 
 
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