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What is a carrier bearing?

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Extended cab Tacomas have 2-piece drive shafts. The carrier bearing is fixed to a crossmember and holds the drive shaft in place at the joint.

When lowering or lifting your Tacoma, the carrier bearing can play a significant role to correct driveline problems.  When the vehicle's ride height is altered, so is the pinion angle (the angle of the driveshaft in relation to the rear end). A bad pinion angle will cause harsh vibrations at speed.

When lifting a truck, the carrier bearing should be lowered. This is usually accomplished by un-bolting the carrier bearing from the crossmember and inserting a small stack of washers to space it down away from the crossmember.

When lowering a truck, the carrier bearing may need to be raised . On a Tacoma, the carrier bearing bracketry is slightly off-center, so it can be un-bolted, flipped upside down, and re-attached to accomplish this. For more extreme cases (5 of lowering or more), it may be better to relocate the carrier bearing higher by cutting and welding. (see photo at right)

Carrier bearings are found on Extended Cab and Double Cab models only. Regular cab Tacomas have one-piece driveshafts, thus no carrier bearing.




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