Toyota Tundra 4.0L Repair Information

Toyota Tundra 4.0L Rear End Repair Information

Here you can find information regarding repairs to the Toyota Tundra rear end system. These repairs include the rear control arms installation, the rear swaybar information and bolt torque specs, the rear diff fluid change procedures, and the rear end watts system installation. All of these repairs and procedures include in depth details on how to perform the replacement and or repair. They also contain all the detailed torque specs needed for each bolt involved in the repair.

Rear Leaf Spring Installation

The rear suspension of the Toyota Tundra consists of leaf springs and shock absorbers. The leaf springs are held together using a series of mounts and shackles. The front leaf spring mount needs to be tightened down to 115 ft-lbs. While the shackle bolts need to be tightened down to 67 ft-lbs. There is also a centering bolt on the leaf springs which should be tightened down to 33 ft-lbs if removed.

Toyota Tundra Front Leaf Spring Mount Torque Spec : 115 ft-lbs

Toyota Tundra Shackle Bolts Torque Spec : 67 ft-lbs

Toyota Tundra Leaf Spring Center Pin Torque Spec : 33 ft-lbs

 

Rear Differential Torque Specs

On the Toyota Tundra rear axle the U bolts need to be tightened down to 90 ft-lbs. The ring gear bolts get tightened down to 71 ft-lbs. if with an e locker and 92 if without the carrier bearing caps get tightened down to 83 ft-lbs. The differential drain plug should be tightened down to 36 ft-lbs. While the backing plate to the axle get tightened down to 50 ft-lbs.

Toyota Tundra Rear Axle U-Bolts Torque Specs : 90 ft-lbs

Toyota Tundra Rear End Ring Gear with e-locker Torque Specs : 71 ft-lbs

Toyota Tundra Rear End Ring Gear w/o e-locker Torque Specs : 92 ft-lbs

Toyota Tundra Rear Carrier Bearing Caps Torque Specs : 83 ft-lbs

Toyota Tundra Rear Differential Drain Plug Torque Specs : 36 ft-lbs

Toyota Tundra Rear Axle Backing Plate Torque Specs : 50 ft-lbs

 

Rear Shocks Installation

To replace the rear shocks on a Toyota Tundra you will need to remove two sets of bolts/nuts located at the bottom and top of the shock. Both of these fasteners can be accessed from underneath the vehicle by jacking it up and removing the wheel. To uninstall the old shock simply just remove both of the fasteners and the part will come out. When installing the new part reverse the procedure and tighten the upper nut to 21 ft-lbs and then the lower bolt to 66 ft-lbs.

Toyota Tundra Rear Shock Upper Nut Torque Specs : 21 ft-lbs

Toyota Tundra Rear Shock Lower Bolt Torque Specs : 66 ft-lbs

 

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Rear Leaf Spring Torque Specs
Front Leaf Spring Mount Torque Spec	115 ft-lbs
Leaf Spring Shackle Bolts Torque Spec	67 ft-lbs
Leaf Spring Center Pin Torque Spec	33 ft-lbs
Rear Differential / Axle Torque Specs
Rear Axle U-Bolts Torque Spec	90 ft-lbs
Rear End Ring Gear with E-locker Torque Spec	71 ft-lbs
Rear End Ring Gear w/o E-locker Torque Spec	92 ft-lbs
Rear Carrier Bearing Cap Torque Spec	83 ft-lbs
Rear Differential Drain Plug Torque Spec	36 ft-lbs
Rear Axle Backing Plate Torque Spec	50 ft-lbs
Rear Shock Torque Specs
Rear Shock Upper Nut Torque Spec	21 ft-lbs
Rear Shock Lower Bolt Torque Spec	66 ft-lbs