Click Sound from the Torque Tube

Some 2018-2019 Equinox and Terrain models equipped with All-Wheel Drive (AWD) or driver-selectable Four-Wheel Drive (4WD) may have a click sound originating from the rear of the vehicle when traveling at slow speeds (approximately less than 25 mph or 40 km/h) while AWD/4WD is engaged.

The click sound may be caused by the connection interface of the propeller shaft bearing in the torque tube to the prop shaft.

With the vehicle securely lifted on a hoist, operate the vehicle to activate the AWD/4WD system. Confirm the sound is present by placing a C-clamp over the torque tube at the end of the tube. (Fig. 10)


Fig. 10


If the sound is verified at the torque tube, remove the two-piece propeller shaft assembly from the vehicle. (Fig. 11) Be sure mark the relationship of the propeller shaft-to-spline interface at the rear differential and front power transfer unit.


Fig. 11


Reinstall the original propeller shaft assembly. Replace the snap rings and O-rings with new snap rings and O-rings. Walk on the snap ring to avoid distortion. Align the reference marks install the shaft. An audible click will be heard from the snap ring. Conduct a retention check on the propeller shaft front and rear interface.

With the prop shaft reinstalled, check if the sound is still audible with the vehicle on the hoist. Also perform a road test to determine if the sound is present.

If the click sound is still present, replace the torque tube. (Fig. 12)


Fig. 12


– Thanks to Rob Smith


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