- #240 of 495
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ABS unit noise?
by jbardo
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May 21, 2008 (7:55 am)
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I have a 2008 Acadia and it makes a "click" noise after putting it in gear & starting to drive. I took it back to the dealer and was told this is normal- ABS unit noise. It only happens when first starting to drive and doesn't happen after you stop and accelerate again. Does anyone else hear this "click" on your vehicle?
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- #241 of 495
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Re: ABS unit noise? [jbardo]
by acadia59
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May 21, 2008 (9:16 am)
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Replying to: jbardo (May 21, 2008 7:55 am)
I hear that noise also. I have never taken it in thought, probably because I also had this problem/heard this noise when I had my Dodge Caravan, so figured it was probably something normal. I am more concerned about the acceleration hesitation and the water leaks.
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- #242 of 495
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Re: ABS unit noise? [jbardo]
by steve_ HOST
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May 21, 2008 (9:38 am)
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Replying to: jbardo (May 21, 2008 7:55 am)
That's normal on most cars with ABS - it's the self check system. On some cars you may feel a shudder in the brake pedal too.
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- #243 of 495
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Re: ABS unit noise? [steve_]
by lemonowner08
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May 21, 2008 (7:50 pm)
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Replying to: steve_ (May 21, 2008 9:38 am)
If the "click" is more like a loud "clunk", would you also state the noise originates with the ABS system? My pop or clunk is quite profound at times. Ocassionally, it happens more than once. (the noise). I have had many other GM cars equipped with ABS and I have never heard anything. I am still not sure there isn't something else wrong......trying not to be paranoid here, just want to be proactive if there is something that needs attention....please advise. (2008 AWD Acadia_
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- #244 of 495
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Re: ABS unit noise? [lemonowner08]
by steve_ HOST
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May 21, 2008 (8:53 pm)
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Replying to: lemonowner08 (May 21, 2008 7:50 pm)
I was trying to remember the other "self-test" noise that's occasionally reported around here, but it escapes me. I don't even remember the make/model - it wasn't brake related but it sounded similar (maybe stability control?).
My non-GM cars both self test for ABS - neither is all that loud. One definitely "shudders" the brake pedal (my 100+ foot driveway slopes downhill so often I'm riding the brake and notice it). The other car just makes a mild clunking noise.
You could visit the dealer and ask to test drive one similar to yours.
Any owners have any comments?
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- #245 of 495
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Re: ABS unit noise? [jbardo]
by manufan1
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May 22, 2008 (1:15 pm)
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Replying to: jbardo (May 21, 2008 7:55 am)
I always do, but like you said, it only happens when the car is turned on and accelerating to certain speed. The dealer told me it was the ABS turned on & I accepted it. I do not know if all cars have ABS make similiar sound.
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- #246 of 495
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Shifting Issues Anyone?
by acadiamommy
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May 23, 2008 (11:49 am)
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Replying to: manufan1 (May 22, 2008 1:15 pm)
Hi all! I was just wondering if any of you have experienced any shifting issues? I bought my 08 Acadia yesterday, its the Carbon Black SLT-2. I was told that I just needed to bring it in and have a software update performed. Well I did that and I dont feel any difference in the shfting. So I was told to drive it for the weekend and see if it updates within that time. If it doesnt, bring it back and they will work on it...? The shifting problem feels as if I were drive a manual transmission and Im going like 30mph and you put it in 5th gear... sluggish! But if I tromp on it it will down-shift. It seems as if it is always trying to find another gear. Anyone have insight?
Steph
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- #247 of 495
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Bad gas GM says???
by anthony008
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May 24, 2008 (8:48 am)
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Two weeks ago my 2007 Acadia would not idle normal during initial start up after sitting over night. It starts up then "hunts" for an idle. You can watch the tach bounce betweeen 1100 to 1400 rpm's until you press on the gas peddle then it stops. I brought it to the dealer and GM said it was bad gas experienced in the southeast region. GM vehicles are experiencing this problem with the new blends of gas made during the summer months. Well, they drained the tank flushed the engine and refilled it up. The problem went away until I filled up the car again yesterday (at a different station). Has anyone experience this problem. I will call the dealer Tuesday.
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- #248 of 495
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Re: Shifting Issues Anyone? [acadiamommy]
by tuffsubject
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May 24, 2008 (9:56 am)
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Replying to: acadiamommy (May 23, 2008 11:49 am)
I have a similar problem -- the downshifting is sluggish and by the time it loses speed and the accelerator is pressed (excessively) to get it to downshift, the need for acceleration has hit the critical point, resulting in a dramatic and jerky shift to a lower gear and a racing engine. I can eliminate this problem by putting the gearshift in "L" and manually downshifting at the point where I've pressed the accelerator and have gotten "no response" (as you describe, like driving in high gear at a slow speed and attempting to accelerate without downshifting). If I can do it manually, I am hoping they can program the PCM/TCM to be a little more aggressive at downshifting. There should be no need on a regular basis for the acceleration need to escalate to the point to require a dramatic downshifting/engine racing "episode". I can understand that this would happen if I were to punch the accelerator to the floor -- but not in conditions where gradual acceleration is needed.
P.S. Mine goes into the shop 5/29/2008 to have this issue checked out.
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- #249 of 495
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Re: Shifting Issues Anyone? [tuffsubject]
by acadiamommy
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May 24, 2008 (4:15 pm)
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Replying to: tuffsubject (May 24, 2008 9:56 am)
Yes, but I already had it in the shop for the re-program and there is no difference. still the same. Im not sure what else they can do, any ideas? We need a gm tech on here!!!!!
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