ABS System needs service and ABS is turned off.

Asked by May 24, 2013 at 08:45 PM about the 2005 Pontiac Montana MontanaVision Extended

Question type: Maintenance & Repair

My 2006 Pontiac Montana says to service the ABS System and the AWD is turned off.  Also there is a whining in the back when I turn in either direction in a slightly tigh turn, what needs to be done?

2 Answers


Have your local mechanic service your ABS system. A wheel sensor or the module itself will need attention. You do know that once the light is on, your ABS is no longer functioning and if you have to panic stop you have to brake the old way of pumping the brakes? Oh, the whining might be a bearing or your low on fluid in the rear differential

1 of 1 people found this helpful.

Anytime your ABS warning lamp is illuminated does not necessarily mean your ABS functionality is disabled. If you have a whining in the rear of the vehicle you could potentially have a ton of different issues. Wheel bearing, bearing issue in the rear differential, over running clutch for the rear drive either in the PTU or rear diff assy, etc. it also could be as simple as a low fluid condition in a driveline component. GM dealer is the way to go especially for a late model Pontiac AWD. That chassis is fairly in depth

3 of 3 people found this helpful.

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