Vibration on a Chevrolet Impala 2009

Vibration on a Chevrolet Impala 2009

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Marcel

Longueuil, Canada

#1 Aug 3, 2009
Recently i bought Chevy Impala LT 2009. After taking delivery and driving it at 115/120 km/hr, i felt a slight vibration on the car. Meaning a vibration felt on the whole car, not only in front or rear. The dealer balanced the tires, but dit not correct the situation. They then took the complete set of wheel with tires from another car and it did not correct the situation. I personnaly replaced the original Eagle LS2 tires by some Goodyear Assiramce Confortread size 225/R55x17" it cost me $400.00 exchange and it did not correct the situation. Any of you have an idea, it would be very much apprecited. Thanks.
Rick

Richmond, CA

#2 Aug 3, 2009
Marcel wrote:
Recently i bought Chevy Impala LT 2009. After taking delivery and driving it at 115/120 km/hr, i felt a slight vibration on the car. Meaning a vibration felt on the whole car, not only in front or rear. The dealer balanced the tires, but dit not correct the situation. They then took the complete set of wheel with tires from another car and it did not correct the situation. I personnaly replaced the original Eagle LS2 tires by some Goodyear Assiramce Confortread size 225/R55x17" it cost me $400.00 exchange and it did not correct the situation. Any of you have an idea, it would be very much apprecited. Thanks.
My 2003 Impala LS vibrated while driving it too. I had the tires balanced every 5,000 miles without any improvement. The vibration did not stop, and the Goodyear Eagle tires were worn out at 19,000 miles. I went to the Goodyear tire store in our area for a new set of tires. I also chose the Goodyear Assurance comfort tred tires for replacement. While the car was on the rack, the technician informed me something was leaking from the middle of my car in the front end onto the subframe. Closer inspection revealed the steering shaft was broken and the lubricating fluid had leaked out. I was told to take the car back to the dealer because I had warranty coverage. At the dealer, the steering shaft was replaced. Six weeks later, the new shaft started leaking and the steering was clunking again when you drove the car. Another steering shaft had to be replaced with only 600 miles on the odometer since the last replacement. The new shaft was installed and when I got the car back, a short time later, a clunk was heard when steering to the left. I went back to the dealer and they found cracks in the subframe at the welds on the front end. A new subframe, rubber mounting bushings, and a new steering shaft were installed. I asked the dealer if the cracks in the subframe would have caused my shimmy vibration. The dealer told me the cracked subframe was not supporting the engine and suspension fully and the parts were moving on the subframe when the car was moving. The dealer also informed me the broken steering shafts were also being caused by the defect in the subframe.

After the subframe was replaced, I drove the car and the shimmy and vibration was completely gone. The bad subframe was also the cause of the premature tire wear on the Goodyear Eagle tires.

Did your dealer check your subframe for cracks? Also, I heard some people have a problem with the tie rod ends that also may cause a shimmy or vibration. Have your engine and transmission mounts checked as well.
Marcel

Longueuil, Canada

#3 Aug 4, 2009
Thanks a lot for your comments, i`m going to see the dealer in the coming days and will ask him to double check that. I will post his reply and developments.
DISGRUNTLED OWNER

Plymouth Meeting, PA

#4 Nov 16, 2009
I had a 2006 Impala with a vibration in the floor board AND the driver's seat (appeared to be a front end issue). MY TIRES WORE OUT (UNEVENLY) and had to replace them after only 17,000. I finally got so frustrated and concerned abou the safety I traded in the car for a 2009 Impala.

UNFORTUNATELY, only 4-5 months later with only 3,500 miles on the car, my passenger front tire is worn unevenly on the inside and the vibration/shimmy in the front end is now showing itself. WHAT IS WRONG WITH THESE CARS????

When you hit 65 to 70 mph the car vibrates or shimmies. I had someone else drive the car just to do a reality check on myself and they also assured me that it IS a problem with the car and that the dealer should absolutely find out what the issue is with the front end. THE TIRES ARE WEARING UNEVENLY, THE CAR IS VIBRATING AND YOU FEEL IT NOT ONLY IN THE FLOOR BOARD BUT IN THE SEAT AND AT TIMES IN THE STEERING WHEEL. I am not about to replace 4 tires again like I did last time and STILL have the same problem, as when I traded it after only 3 years and less than 40,000 miles with 4 NEW TIRES. When I traded in the car WITH the 4 new tires they said that "the tires aren't new anymore as they are worn because of a "front end problem".

I am taking it back to the dealer, who assured me when I bought the 2009 Impala in May, that if I had the same issue THEY WOULD TAKE CARE OF IT. Now they are going to have to prove what they said. If the issue is NOT cleared up after 3 times in service I am going to proceed with my options to pursue the "Lemon Law" and get myself a new car that I can feel safe and secure in.
Rick

Richmond, CA

#5 Nov 16, 2009
DISGRUNTLED OWNER wrote:
I had a 2006 Impala with a vibration in the floor board AND the driver's seat (appeared to be a front end issue). MY TIRES WORE OUT (UNEVENLY) and had to replace them after only 17,000. I finally got so frustrated and concerned abou the safety I traded in the car for a 2009 Impala.
UNFORTUNATELY, only 4-5 months later with only 3,500 miles on the car, my passenger front tire is worn unevenly on the inside and the vibration/shimmy in the front end is now showing itself. WHAT IS WRONG WITH THESE CARS????
When you hit 65 to 70 mph the car vibrates or shimmies. I had someone else drive the car just to do a reality check on myself and they also assured me that it IS a problem with the car and that the dealer should absolutely find out what the issue is with the front end. THE TIRES ARE WEARING UNEVENLY, THE CAR IS VIBRATING AND YOU FEEL IT NOT ONLY IN THE FLOOR BOARD BUT IN THE SEAT AND AT TIMES IN THE STEERING WHEEL. I am not about to replace 4 tires again like I did last time and STILL have the same problem, as when I traded it after only 3 years and less than 40,000 miles with 4 NEW TIRES. When I traded in the car WITH the 4 new tires they said that "the tires aren't new anymore as they are worn because of a "front end problem".
I am taking it back to the dealer, who assured me when I bought the 2009 Impala in May, that if I had the same issue THEY WOULD TAKE CARE OF IT. Now they are going to have to prove what they said. If the issue is NOT cleared up after 3 times in service I am going to proceed with my options to pursue the "Lemon Law" and get myself a new car that I can feel safe and secure in.
Had the same problem as I described on my previous post pertaining to my '03 Impala. However, I did not say the vibration was even felt on the front seats. I had the same problem with the vibration you are describing all the way up in the front seat, across the armrest, and up into the dash. The dealers tire rotations and balancings did nothing to fix the vibration problem or with the premature tire wear. Now I have a rattling sound coming from the front dash where the temp and fuel gauge is located. When it rattles, the gauge does not read correctly and is going to need replacing. I also own a base '05 Impala and it does not have these problems. The last 3 GM cars I purchased developed major premature failure problems just a short time after the 3 year 36,000 bumper to bumper warranty expired, and this is the last time I will ever buy GM again. Now GM is runnign as a 'new company'. When you complain about their quality problems, they tell you, "That is the old GM." Using the line "That is the old company or GM." is just another excuse to cover things up and continue running the way they used to. They keep saying the quality has improved substantially, but have been saying this for the last 15 years. The products have not changed since they filed bankruptcy, and I'm sure the quality issues still exist.

By the way, I have a car that was repaired with a subframe replacement item on my Carfax report. The value has diminished as a result of this. I hope you are successful with your lemon law product replacement. If it were me and a replacement is granted, I would not choose GM.
Daniel

Santa Clara, CA

#6 Dec 18, 2009
I too have an 03 Impala LS, and it is having the same symptoms as the shimmy/shudder described here. It kicks in once you accelerate to a fast speed, and it's really noticeable when I turn left. You think I should have the subframe checked out? What kind of cost did you face to have yours repaired? Thanks.
Rick wrote:
<quoted text>
Had the same problem as I described on my previous post pertaining to my '03 Impala. However, I did not say the vibration was even felt on the front seats. I had the same problem with the vibration you are describing all the way up in the front seat, across the armrest, and up into the dash. The dealers tire rotations and balancings did nothing to fix the vibration problem or with the premature tire wear. Now I have a rattling sound coming from the front dash where the temp and fuel gauge is located. When it rattles, the gauge does not read correctly and is going to need replacing. I also own a base '05 Impala and it does not have these problems. The last 3 GM cars I purchased developed major premature failure problems just a short time after the 3 year 36,000 bumper to bumper warranty expired, and this is the last time I will ever buy GM again. Now GM is runnign as a 'new company'. When you complain about their quality problems, they tell you, "That is the old GM." Using the line "That is the old company or GM." is just another excuse to cover things up and continue running the way they used to. They keep saying the quality has improved substantially, but have been saying this for the last 15 years. The products have not changed since they filed bankruptcy, and I'm sure the quality issues still exist.
By the way, I have a car that was repaired with a subframe replacement item on my Carfax report. The value has diminished as a result of this. I hope you are successful with your lemon law product replacement. If it were me and a replacement is granted, I would not choose GM.
Rick

Berkeley, CA

#7 Dec 18, 2009
Daniel wrote:
I too have an 03 Impala LS, and it is having the same symptoms as the shimmy/shudder described here. It kicks in once you accelerate to a fast speed, and it's really noticeable when I turn left. You think I should have the subframe checked out? What kind of cost did you face to have yours repaired? Thanks.
<quoted text>
Do you hear a clunk sound when you turn left? I heard a clunk sound when my subframe had cracks at the welds. Also, the dealer replaced three rack and pinion steering gear units because they broke at the connector to the steering shaft, and caused all of the fluid to leak out. My dealer said GM had problems with one third of all of the Impala cars produced with faulty welds at the subframe. I know a friend who works at the dealership who gets inside information from GM and he also told me this problem affected a third of the Impala cars produced from 2000 thru 2005.

After my subframe was removed, further inspection revealed there were air pockets inside of the welds, and the welds were not solid and complete. Having air pockets inside the welds is a sign of sloppy and defective welding. My dealer also told me there are rubber insulators on the subframe where it bolts onto the car's regular frame. The subframe cracks caused the metal to move as the car was moving and cause vibration. The subframe carries most of the weight of the front end of the car.

Because I know people who work at my local Chevy dealer, they went to GM and asked them to pay for the subframe repairs. My car was out of warranty, and GM agreed to pick up the repair bill. They knew the subframe was manufactured poorly, and also knew the welds were defective. Our family also bought six cars from this GM dealer, and they knew that when asking GM to pay for the replacement subframe.
Daniel

Santa Clara, CA

#8 Dec 18, 2009
Hey, thanks. I'll try to see what I can find out at my dealer. My car has a recall sticker under the hood stating that all recall defects and such had been repaired or were not a problem on this car. I wonder if GM ever had a recall for this particular problem?
Rick

Berkeley, CA

#9 Dec 19, 2009
Daniel wrote:
Hey, thanks. I'll try to see what I can find out at my dealer. My car has a recall sticker under the hood stating that all recall defects and such had been repaired or were not a problem on this car. I wonder if GM ever had a recall for this particular problem?
GM never had a recall for the subframe. The subframe problem was another one of GM's poor quality problems. Welds should be solid and not have air pockets inside of them. This to me looks like a manufacturing defect.
Daniel

Santa Clara, CA

#10 Jan 2, 2010
Well, I took my impala to my local dealer to have them see what was wrong with it. The mechanics told me both my front hubs were loose, and needed replacing. I did the job myself, and am still having the same problem. The old hubs felt good. Should I go back and specifically ask them to check the subframe? Also, do all impalas have a rev limit? In park, mine starts to miss at about 4000 rpms. And just this weekend, my instrument panel lights screwed up. It's like they're stuck on the dim setting, and I can't get them to change. All my fuses and such seem fine. Any suggestions? Thanks.
woo

Carol Stream, IL

#11 Jan 8, 2010
Marcel wrote:
Recently i bought Chevy Impala LT 2009. After taking delivery and driving it at 115/120 km/hr, i felt a slight vibration on the car. Meaning a vibration felt on the whole car, not only in front or rear. The dealer balanced the tires, but dit not correct the situation. They then took the complete set of wheel with tires from another car and it did not correct the situation. I personnaly replaced the original Eagle LS2 tires by some Goodyear Assiramce Confortread size 225/R55x17" it cost me $400.00 exchange and it did not correct the situation. Any of you have an idea, it would be very much apprecited. Thanks.
i ha th same olem with vibration it was my driver side drive shaft it would vibrate every time i would get up to 40 miles per hour.
woo

Chicago, IL

#12 Jan 9, 2010
Marcel wrote:
Recently i bought Chevy Impala LT 2009. After taking delivery and driving it at 115/120 km/hr, i felt a slight vibration on the car. Meaning a vibration felt on the whole car, not only in front or rear. The dealer balanced the tires, but dit not correct the situation. They then took the complete set of wheel with tires from another car and it did not correct the situation. I personnaly replaced the original Eagle LS2 tires by some Goodyear Assiramce Confortread size 225/R55x17" it cost me $400.00 exchange and it did not correct the situation. Any of you have an idea, it would be very much apprecited. Thanks.
i had the same problem i tried everything and i found that my driver side drive shaft was wobbling the repairman put my car up in the air on the rack and put the car in drive and let the wheels roll while in the air and sure it was my driver side shaft you could see it wobble it cost me $155.00 it was worht it ,i would always get a wobble at 40 miles per hour. that's whatn it was. it could be on either side or both , but you have to put the car on a rack up in the air while in drive and you will see it.
woo

Chicago, IL

#13 Jan 9, 2010
Daniel wrote:
I too have an 03 Impala LS, and it is having the same symptoms as the shimmy/shudder described here. It kicks in once you accelerate to a fast speed, and it's really noticeable when I turn left. You think I should have the subframe checked out? What kind of cost did you face to have yours repaired? Thanks.
<quoted text>
check your two front drive shafts, i had the same prolem the repairman put the car up in the on a rack while in drive drive and we spotted the problem with the driver side shaft it had a wobble.
kris

Phenix City, AL

#14 Jan 25, 2010
I used to work for a third party quality containment company that inspected the welds on mercedes suv and bmw suv subframes and believe it or not they actually allow porosity(air bubbles) in the weld to in a certain amount. There are different standards between manufacturers but I like to believe that these two companies hold higher standards but I could be wrong.
Danny

Clinton, MS

#15 Jan 30, 2010
Wow..........after reading these posts I realize how lucky I've been. I bought 2 08 impala lt's nov 08 and have approx 45k miles on both and haven't (knock on wood) the first problem! Both of these cars had 15K miles on them when bought and I got both for $20K. Figured that was a pretty good deal.
Daniel

Tupelo, MS

#16 Jul 8, 2010
Just to follow up, I finally found the cause of my vibration. I had bad cv axles, and those wore out the hubs on my car. After replacing the cv axles and hubs again, it's been great! Nice smooth ride!
Oneka

Pensacola, FL

#17 Aug 3, 2010
Well i brought a used 2006 Impala LT After purchasing this car I have Many problem wrong with the driving. I had the vibration which keep coming back. I have had tie rode replace, new tires twice and now as me, my child and husband was in the car my sturts broke on the car. But after all this time going to the dealer and having different thing fix on this car they never told me of this could be the problem. I was put in a situation which we could have lot our lives of this problem which they never seems to check for each time I came to them with a problem. So now I am lookin for a different car after so long I wanted a Impala because of the way my cousin car drove and never gave her a problem. This have took so much of my saving to even have it fix.
Rick

Albany, CA

#18 Aug 25, 2010
Daniel wrote:
Just to follow up, I finally found the cause of my vibration. I had bad cv axles, and those wore out the hubs on my car. After replacing the cv axles and hubs again, it's been great! Nice smooth ride!
What mileage did you have on your Impala when they replaced the cv axles. I noticed another post where they replaced them on a 2008 Impala. Now it is 2010, and a drive axle should last more than two years. I don't mind this kind of repair but it should be done after 100,000 miles. GM does not build quality cars anymore.
Daniel

United States

#19 Sep 24, 2010
@Rick: my impala had around 150,000 on it when we did the repair. Hopefully, like you said, they will last for many miles. Still doing well.
Rick

Albany, CA

#20 Sep 24, 2010
My 2003 Impala just had a new rack and pinion steering gear unit installed. This is the third time the repair has been done in 30,000 miles. The car also had a vibration on the front end while I was driving it. The dealer who did the other two rack and pinion steering gear units did not do the job correctly, and was riding out the warranty. GM did not want to pay for the proper repair replacement when the car was in warranty, and wanted to pass the problem on for a future service when the car was out of warranty. That dealership is now out of business, and I took my car to another GM dealer who fixed the problem this time. I had to pay this time for the repair. A new rack and pinion steering gear, new intermediate steering shaft, and alignment has really done wonders for my vibration problem. Now the car drives really smooth and is quiet. Drives like a dream now.

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