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Buick Terraza Groan during left turns

10 messages,  Last post on Aug 24, 2008 at 5:11 PM

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#1 of 10 Groan during left turns by ramjet99 Sep 08, 2007 (7:53 pm)
We sometimes hear a groaning noise when making left turns in our 2005 Terraza. It doesn't happen all the time and seems to make no difference if we are braking, coasting, or accelerating through the turn. It only happens on left turns. The dealer cannot duplicate the problem or find anything wrong. It has been happening for about the last 20,000 miles (now has 41,000 mi.).   Has anyone else experienced this situation, and, if so, what causes it and how do we fix it? Replies to this message: rmondshine (Sep 17, 2007 2:37 pm) kcorey (Nov 13, 2007 1:32 pm) alastan (Jan 19, 2008 8:48 pm) mkauz52 (Jan 22, 2008 5:13 pm) ramjet99 (Jan 22, 2008 10:19 pm) stevem82 (Apr 07, 2008 3:38 pm)
#2 of 10 Re: Groan during left turns [ramjet99] by rmondshine Sep 17, 2007 (2:37 pm)
Replying to: ramjet99 (Sep 08, 2007 7:53 pm) My 05 Terraza has done the same thing but it has been difficult to reproduce. I had a rattling noise in the front suspension area and took the vehicle in for warranty repair. They replaced what they called an intermediary steering linkage and when they test drove the car they found another noise. May have been the groan. Now, I am getting a new rack and pinion unit. Only time will tell if that fixes the groan. I also complained about the tire wear, cupping on the rear tires, and they say I need to rotate every 6k miles instead of 12k. Put new Michelins on at 35k. Will do better on rotations and see if I can more mileage out of this set. Replies to this message: kcorey (Nov 13, 2007 1:32 pm)
#3 of 10 TSB related to groan may exist by ahmusch Oct 31, 2007 (6:46 pm)
I just had my wife's AWD Terraza in for warranty work for a similar groan during turns. There was a TSB related to either the transfer case of the rear differential, but I can't remember the TSB number.
#4 of 10 Re: Groan during left turns [rmondshine] by kcorey Nov 13, 2007 (1:32 pm)
Replying to: rmondshine (Sep 17, 2007 2:37 pm) Have the alignment checked and the front stablilzer links checked. Also, have you been rotating the tires and keeping them properly inflated...35 lbs.
#5 of 10 Re: Groan during left turns [ramjet99] by alastan Jan 19, 2008 (8:48 pm)
Replying to: ramjet99 (Sep 08, 2007 7:53 pm) I have slightly over 20,000 miles on my 05 Terraza and am starting to hear a slight groaning when making right or left turns. I had a similar occurrence in my Grand Prix at about 50,000 miles and was starting to get louder over time. In my GP it turned out to be worn front wheel bearings. After I had them replaced, the groaning noise while making turns in the GP went away. If your Terraza noise is coming from the front end and it always makes the noise when you make turns at speed, it may be your passenger-side front wheel bearing going bad.   Aside from this new noise, my Terraza has been essentially trouble-free from day 1.
#6 of 10 Re: Groan during left turns [ramjet99] by mkauz52 Jan 22, 2008 (5:13 pm)
Replying to: ramjet99 (Sep 08, 2007 7:53 pm) Do you get an error message in your display? My Terraza has 51,000 miles and has had several front end problems. Actually it is in the shop right now cause they can't figure out why my traction control kicks in on dry pavement....locks up the front tires and throws me into the oncoming lane of traffic. I think I am tempting fate by keeping it but the poor trade in value is forcing me to keep it. Problems in my front end only include: 14,000 Took in for knocking noise in front end. Couldn't duplicate..No Action Taken 14068- Taken in for knocking noise in front end. Replaced Stabilizer Links(both front) because they were worn loose. 33,000 miles- Taken in for knocking noise again--Sway Bar links replaced and Right Front Tie Rod End had to be replaced. 51,000 It has been in the shop 3 times now for the Traction Control/Stability System. Replaced a sensor...didn't correct the problem....Next they are going to look in the wiring.   It sounds like you are in the onset of the problem I am dealing with right now. If they get it fixed I will let you know....In the meantime be VERY careful!   I have 11 pages of repairs some pages have 4 items. It seems they can only put band-aids on this thing.....IT IS NEVER FIXED. Replies to this message: ramjet99 (Jan 22, 2008 10:19 pm)
#7 of 10 Re: Groan during left turns [mkauz52] by ramjet99 Jan 22, 2008 (10:19 pm)
Replying to: mkauz52 (Jan 22, 2008 5:13 pm) No error message. Does not happen all the time. Go to the link below for complaints filed with the NHTSA for the 2005 Terraza. There seems to be some recurring themes: horn, traction control, other electrical problems. I only bought this vehicle because we got my father-in-law's GM discount. I'm not very happy with it. Lots of little problems.   http://www-odi.nhtsa.dot.gov/complaints/results.cfm
#8 of 10 Re: Groan during left turns [ramjet99] by stevem82 Apr 07, 2008 (3:38 pm)
Replying to: ramjet99 (Sep 08, 2007 7:53 pm) I had the same problem with my 2005 Terraza and my dealership solved the riddle. Here it is - and it is a recall so don't pay for it. This is straight from the dealership's ticket: "Diagnosis: Noise Change axle oil per bulletin #06-04-114-001A" Problem solved noise is gone. My guy in Missouri, who is really nice, said it was actually out of the date of recall or warranty but he covered it anyway. Like you this noise drove me crazy for some time. Give it a try it should work. Hope this helps.
#9 of 10 groan by electbc Aug 24, 2008 (8:09 am)
I complained to the dealer, while my 2005 was under warranty about the groan. I described it as a moan though. Of course he couldnt duplicate the problem, but, it was doing it when I pulled into his lot for service that morning .He searched service bulletins on the sympton, or so he said. When did that bulletin come out?  He agreed to drive with me to duplicate it. It took about 15 minutes for it to warm up and re create the problem, it happened when we pulled back into the dealer lot. It happens when I am going slow, about 2-5 miles per hour, and an moderate or extreme left or right turn. We determined it was the tires, when they heat up they give a moan while turning at slow speed. What do you think? Of course these are my second tires on the van, the original set wore out evenly across the whole tread inside 14,000 miles. Replies to this message: ramjet99 (Aug 24, 2008 5:11 pm)
#10 of 10 Re: groan [electbc] by ramjet99 Aug 24, 2008 (5:11 pm)
Replying to: electbc (Aug 24, 2008 8:09 am) No, our problem is definitely not with the tires. The sound is similar to when you turn your wheels hard to one side or the other, and you hear a groaning (moan?) noise from the power steering system. Our symptom occurs when making normal turns, not hard to the stops.

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