- #64 of 77
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Re: Who knows what the issue is??? [carkimd]
by carkimd
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Aug 20, 2008 (1:12 pm)
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Replying to: carkimd (Aug 20, 2008 12:07 pm)
They only told me they replaced the wheel speed sensor which was 120.00... the grinding is still there but no lights are on... making it difficult to diagnose.
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- #65 of 77
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Re: Who knows what the issue is??? [steve_]
by carkimd
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Aug 20, 2008 (1:13 pm)
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Replying to: steve_ (Aug 20, 2008 12:46 pm)
Is it possible to 'unhook' the anti-lock system to see if this corrects the problem?
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- #66 of 77
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Re: Who knows what the issue is??? [steve_]
by ray80
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Aug 21, 2008 (5:35 am)
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Replying to: steve_ (Aug 20, 2008 12:46 pm)
I think its certainly possible, but it should be a short lived thing and I would expect the noise to be different.
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- #67 of 77
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Re: Who knows what the issue is??? [carkimd]
by ray80
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Aug 21, 2008 (5:38 am)
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Replying to: carkimd (Aug 20, 2008 1:13 pm)
I don't think disabling anti-lock would have any affect on grinding noise. Can you be more specific on the noise like does it happen all the time, only when braking, more prevelant when turning, changes with speed, that kind of thing.
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- #68 of 77
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Re: Who knows what the issue is??? [carkimd]
by carkimd
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Sep 09, 2008 (1:55 pm)
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Replying to: carkimd (Aug 20, 2008 1:13 pm)
Got my aztek back 2 weeks ago... replaced from wheel sensor and connector. Brakes are now work able again... but the noise I believe from the anti-lock system when starting up the car sounds horrible and the traction light came on again when turning a few days ago... I need to get rid of this car quick.
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- #69 of 77
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Re: Who knows what the issue is??? [jen30]
by dalejrnut74
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Nov 12, 2008 (6:31 am)
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Replying to: jen30 (Jul 31, 2008 2:07 pm)
I'm sure it's some sort of sensor for the anti-lock brakes. I have the same problem. The anti-locks try to kick in even on dry pavement, I think the sensors error out and the anti-lock light on the dash comes on. The grinding I believe is the anti-locks trying to kick in, I get the problem only an lower speeds and left or right turns. I dont believe it is the BCM since I had to have that replaced not long ago and I'm no longer having the issues pertaining to that, the dealer said my Aztek was posessed!
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- #70 of 77
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Re: Who knows what the issue is??? [dalejrnut74]
by ray80
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Nov 13, 2008 (4:18 am)
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Replying to: dalejrnut74 (Nov 12, 2008 6:31 am)
The grinding ar low speeds (with the addition of turns being involved) is usually indicative of fron wheel bearing issue . When they replace the hub/bearing assembly they also are replacing speed sensor (comes as part of assembly) and that may resovle anti-lock problem.
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- #71 of 77
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Re: Who knows what the issue is??? [ray80]
by fartblossom
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Oct 26, 2009 (8:00 am)
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Replying to: ray80 (Nov 13, 2008 4:18 am)
O.K., The grinding/bumping noise is definately the abs kicking in. This problem just started on our 03. 6 months ago I had the hubs replaced for the traction warning lights coming on. The light doesn't come back on, but now the growling/pedal slip while braking and turning has started.
I fixed it temporarily by pulling the ABS fuse. Sure enough, all problems gone. Unfortunately, the alarm bell never quits. Knowing that all GM bells/alarms are fed through the radio, I pulled the fuse for the radio too, now all is well. Of course, warning lights are still on and you don't get any warning when you leave your keys in the car.
I plan on inspecting the harness next weekend.
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- #72 of 77
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Re: Who knows what the issue is??? [fartblossom]
by buster51
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Nov 06, 2009 (3:51 pm)
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Replying to: fartblossom (Oct 26, 2009 8:00 am)
I just discovered this sight because I am having the same issues with my 2001. i have owned this car since new and this is the first major puzzling problem I have had other than the gas gauge since I bought it. I have 145,000 miles on it. It sounds to me that there is no clear answer to this problem. Money is tight so where would yoy all reccomend starting out? I took it to a shop and they told me it was because my rotors were warped so they turned the rotors and the problem is still there. They talked about it being some control module that runs $1000 just for the part.
Thanks
Mike
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- #73 of 77
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Re: Who knows what the issue is???
by 34chevy
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Nov 10, 2009 (12:28 pm)
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my Aztek is FWD with 90K; therefore problem was limited to the drive wheels. Drivers side ABS sensor wire was broken at junction of larger harness likely a fatigue failure. $.35 worth wire connectors, electrical tape have corrected the problem. Just for the record I replaced wheel bearings at 61,000 because of noise that my wife could hear. Hope this helps someone before spending big bucks at dealership.
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