- #67 of 81
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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 81
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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 81
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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 81
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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 81
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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 81
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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 81
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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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- #74 of 81
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Re: Who knows what the issue is??? [34chevy]
by buster51
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Nov 14, 2009 (5:51 pm)
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Replying to: 34chevy (Nov 10, 2009 12:28 pm)
Thank you for your input. A freind and I tore the harness apart near the ABS box but could not see any damaged wire. Was yours pretty obvious. The next step is to get a code reader and check the warning code. Probably will repace sensors next. Any other thoughts by anyone.
Thanks Mike
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- #75 of 81
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Thank you!
by mandy72980
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Dec 04, 2009 (9:31 am)
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I am having the same problem with my 03 aztek. I tried to stop at a major intersection this morning and almost went through it. My AWD and abs light has been coming on, especially during times of lots of rain. I called my uncle who runs the pontiac garage in town and he said it sounds like the wheel sensor which is 3-400 just for the part. I am definately going to mention the wiring harness to him before I pay to have the sensor fixed just to be sure. I live in Maine where we have a lot of issues with corrosion due to extreme salt and wet weather so it would make sense. I just hope this is the issue and not the sensor itself. Christmas is a couple weeks away and I don't have the extra money. I still love my aztek though. 
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- #76 of 81
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Re: Thank you! [mandy72980]
by buster51
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Dec 04, 2009 (10:35 am)
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Replying to: mandy72980 (Dec 04, 2009 9:31 am)
I went trough the wiring harness near the brake module at the top of the motor. There is a picture in one of the other postings. We unwrapped the cover off the wires and looked for damaged wires.We pulled the air filter unit out to follow the wires down to the next junction with some more wires. Everything looked fine except for the harness was being pinched a bit in one spot. We wrapped everything up again and have not had the problem in the last couple of weeks since we did this.
I do have a new problem now though. The instument lights and all the dome lights don't work anymore. I pulled the fuse from the inside fuse box and it was blown. When I put a new one in it blows as I am inserting it. Now have to figure out where the short could be.
Anyone have any ideas.
Thanks
Mike
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