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Author Topic: abs lite and awd disable on  (Read 2416 times)
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maroguy1
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« on: April 29, 2006, 09:20:29 PM »

When driving our 01 tek awd sometimes it feels like the abs is pulsing the brakes for no reason.  Then once the abs and awd disable lite came on.  Do you think it could just be a sensor or something else.  I will have to slide under there and check the sensors but I am not sure.  Thanks
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Vehicles I own:08 Ford Edge SE, 07 Saturn Outlook
05 Yellow GTO A4 one of 235
81 Camaro sc Built 350 richmond 4speed factory Yellow
06 Yamaha Raptor 700r SE
06 Yamaha Wolverine 350
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« Reply #1 on: April 29, 2006, 09:31:47 PM »

maroguy1,

You mentioned the sensors for the ABS system.  Those sensors are a part of the wheel/hub bearing.  I suppose the sensor in the bearing might be pulsing the brake on and off.  However, I would suspect that the bearing itself would probably fail before that might happen.  Have you ever noticed your Aztek pulling to one side on a flat/level road?  Have you ever hear any squealing or scraping noise coming from the wheels (non-brake related)?  Have you hever heard one tire/wheel assembly making more noise than the others - kind of like having a snow tire installed on just that one wheel?  If you answered yes to any of those, I would suspect a wheel/hub bearing failure.  SInce the sensor is embedded in the bearing, it is possible that is what is causing the light to come on as well.

I know there is a GM Technical service bulletin for the wiring pulling away from the wheel/hub bearing sensor.  Unfortunately, they do not recommend repairing that wiring, because it has to flex with the turning of the wheel assembly in the front and move with the suspension on both the front and the rear.
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maroguy1
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« Reply #2 on: May 04, 2006, 09:20:48 PM »

no it rides good.  no noises or pulling
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Vehicles I own:08 Ford Edge SE, 07 Saturn Outlook
05 Yellow GTO A4 one of 235
81 Camaro sc Built 350 richmond 4speed factory Yellow
06 Yamaha Raptor 700r SE
06 Yamaha Wolverine 350
chetparker86
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« Reply #3 on: October 11, 2011, 01:55:56 PM »

I had this happen when on a road trip and paid a guy to tell me that it was the speed sensor.  I let him order the part not knowing having to have it overnighted while I was stuck in a hotel from sat-mon.  Saturday night I took off the rear wheel and there is the sensor going into the brake was unplugged. plugged it in and it was fine.  The jerk at the shop still charged me a bunch for the part that he didnt have yet and I left with nothing 150 bill for him and hotel stay.  Needless to say I was a little angry.  Hope this helps!
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