Strange ABS light issue - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 03-04-2011, 02:20 AM   #11
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Hey, I don't mean to be a pest by bumping this, but I really am befuddled by this problem, and rather worried, too, to be honest. I'd take it to a mechanic, but the last one couldn't find anything wrong (besides the MS leak, which I'm keeping relatively on top of), and I lost my job, so I can't afford to take it to anyone else right now. Just knowing if it'* a safety issue or not would be a big relief, at the very least.

Anyways, here'* the update - Recently, the ABS light has been staying on more and more, and I'm getting a weird feeling the first stop or two I make after I start her up, particularly if I've left her sitting overnight, or for a couple of days or more. When I stop that first time or two, I hear a weird buzzing or vibration-type sound (hard to describe - almost makes me think it'* an air pump motor or something? Hell, I don't know...), and simultaneously the brake peddle makes a brief but intense pulsing sensation, during which time the peddle is hard to press down. The ABS light usually comes on right after the episode, if it'* not already on. That problem usually doesn't happen again during the drive, from what I can tell, but the ABS light stays on afterwards. It certainly does set the mood for the rest of the ride, I'll tell you that.

Anyways, any ideas, folks? I flashed the codes, multiple times, but nothing comes up other than good ol' 12. I don't know how to make the doohicky to test the WS sensors, so I don't know what to do there. Any further help or suggestions would be great! Thanks again, guys!
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Old 03-04-2011, 10:38 AM   #12
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thats what it sounds and feels like when the abs turns on. so it sounds like yours is coming on during normal braking (not good). so if you were getting different enough readings from the sensors it would think you were sliding. it could be your tire pressures are different, they would have to be pretty far off. it seems more likely that one of them has some corrosion or needs replaced. i dont know what dohicky your talking about.
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Old 03-04-2011, 10:41 AM   #13
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you dont need to make that pigtail if your going to do it once, just stick your leads in the connector itself
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Old 03-05-2011, 04:21 AM   #14
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So it'* looking like it'* the wheel spin sensor, then? I'll have to talk to my stepfather and see if he can help me to check it, in that case. Hopefully he'll have the right equipment. It'* good to know what it probably is, but my main concern at this point, though, is whether this is a safety or reliability issue. Can I still safely drive the car and all? Do I have to worry about this suddenly breaking and leaving me stranded for some reason? I'd actually be okay with leaving this for now, if it only manifests in the relatively minor ways it has thus far. It'* only manifested at lower speeds in my experience. It seems pretty crazy to have to replace the whole damn hub on account of one stupid sensor, at least in my current financial situation.

Anyways, thanks again for all the help, guys. As always, you guys are lifesavers - you make me proud to be a Bonnie man, hehe Thanks again!
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Old 03-05-2011, 08:08 AM   #15
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You can pull the fuse for the ABS. That will turn it off so you don't need to worry about it locking on you.
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Old 03-05-2011, 09:54 AM   #16
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Oh. Cool Thanks!
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abs, anti lock, antilock, wheel spin sensor, wss

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