In order to install the new...
In order to install the new Truetrac limited-slip and the Motive Gear gears, the centersection must be removed from the TTB. TTB is unlike other IFS systems in that the centersection is part of the suspension. To remove it, disconnect the breather tube and remove the two driver-side bolts (shown) and all of the front housing bolts.
The centersection can then...
The centersection can then be removed from the truck and taken to a bench for the upgrades.
With the centersection on...
With the centersection on the bench, we removed the clip holding the passenger-side intermediate axleshaft (now is when we replaced the U-joint on this short shaft with the new alloy U-joint), bearing caps (they're marked from the factory to ensure correct reinstallation), the pinion nut, yoke, carrier, pinion shaft, pinion seal, bearing, race and oil slinger. With the centersection stripped, we thoroughly cleaned it in a parts washer. At this time we also cleaned the inside of the driver-side of the TTB, which doubles as the centersection mount/cover.
Reassembly of the centersection...
Reassembly of the centersection began by bolting the new Motive Gear ring gear onto the Truetrac limited-slip.
The Motive Gear install kit...
The Motive Gear install kit included all of the new parts needed to complete the re-assembly of the centersection. After installing all of the components, Patrick at Custom Differentials set the backlash.
With the backlash correctly...
With the backlash correctly set, the bearing caps were installed one last time. The last thing to be installed in the centersection is the intermediate axleshaft assembly. The design of the Truetrac requires removing this steel block (shown) from the carrier to reinstall the clip that holds the axleshaft in place. Finally, use the new gasket included in the install kit and reinstall the centersection in the housing.
Warn Premium Manual Hubs
The forces exerted on manual lockout hubs are enormous. So it's important that you choose a hub that's as beefy as your truck. The Warn Premium Hubs that we installed on the Redhead are some of the beefiest around. They're entirely constructed of metal for strength and durability; they feature a thick internal wave spring that Warn says increases reliability over standard coil springs, and heavy dial detents for positive engagement. To ensure that they last a long time, they are designed with a ZA Alloy dial with dual seals to keep contaminants out and a thick chrome plating to resist corrosion.
Reinstall the axleshafts....
Reinstall the axleshafts. Remember to reinstall the boot and band where the intermediate axleshaft mates with the outer axleshaft assembly on the passenger side.
Since we knew at least one...
Since we knew at least one wheel bearing was shot, we installed new Timken bearings and hub seals from Randy's Ring & Pinion into the hub/rotor assemblies before we reinstalled them on the truck.
Next, we installed the stock...
Next, we installed the stock dust shield, spindle, rotors and the new spindle kit. Then we reinstalled the brake calipers and front driveshaft.
Finally, we installed the new Warn Premium hubs per the instructions included with the kit. The last step is to add lube to the differential, double-check all fasteners and give the vehicle a testdrive.