Pinion Installation

- Tools Required
- J35512 Bearing Installer (T, K1, and K2 Models)
- J36614 Bearing Installer (K3 Models)
- J8614-01 Pinion Flange Remover
- J36366 Seal Installer

1. Install the shim to the pinion gear.
Use the proper size shim.





2. For the T, K1, and K2 models, use the J35512 in order to install the bearing onto the pinion gear.
3. For the K3 model, use the J36614 in order to install the bearing onto the piston gear.
4. Install the new spacer onto the pinion gear.





5. Install the bearing into the case.
6. Install the seal into the case using the J36366.
7. Install the pinion gear, with the bearing and the spacer, to the case.





8. Install the deflector, the flange, the washer and the nut using the following procedure:
- Apply PST Sealant GM P/N 1052080 or the equivalent, to the pinion gear threads and on both sides of the washer.
- Tighten the nut until no end play is detectable while holding the flange with the J8614-01.
- No further tightening should be attempted until the bearing preload has been checked.





9. Measure the pinion bearing preload.
9.1. Use an inch-pound torque wrench.
The correct preload is 1.7 - 2.8 Nm (15 - 25 inch lbs.).
9.2. Rotate the pinion with the torque wrench and note the reading.
9.3. It the preload torque is below specifications, continue torquing the pinion nut in small increments. Check the preload after each tightening.
Each tightening will increase the bearing preload by several inch pounds.
If the bearing preload is exceeded, the pinion will have to be removed, and a new collapsible spacer installed.
9.4. Once the preload has been obtained, rotate the pinion several times in order to ensure the bearings are seated.
9.5. Recheck the preload, and adjust as necessary.