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2000 Chevy Silverado vibration
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Comments
Inagine just how many sales that GM is loosing just because they cannot do the right thing.....
In my opinion GM is extremely STUPID, not dumb STUPID>>>>!!!!
Roger (Cancelled order).
kingfishgus - Mine doesn't have the locking differential. It has the 3.42 rear end.
Also, when the dealer put a new set of tires of one of their new Silverados my shimmy disappeared.
In theory GM would have been better off buying Michelens even at twice the cost just to overcome the problem.
I know people are looking for a quick fix that will cure this frustrating problem, but I doubt that tires can be the big answer.
I looked back at the old posts and found post 282 by jed1894 that stated they switched out his Goodyears for Generals, and that solved his problem (however, he still has vibration problems when towing a load). This makes sense, as they wouldn't change the tire size as this would invalidate the warranty.
Maybe the Generals are what you upgraded to for $295.
I will post what tire the $295 bought me when my truck comes in (hopefully) next week.
Bigvette: If your 98 Silverado runs good, I'd keep it. If GM buys my truck back I plan to get good used 98 model. I believe the 98 and before models (I had several) were basically sound trucks. Something happened with 99 models that changed something. I'd wait till next year then reconsider.
Kansan: Your problem sounds exactly what I had. I had three (3) sets of Goodyear tires before I demanded they replace with different brands. Two (2) of the sets started feathering...all vibrated. I then took truck to a private tire dealer who I trusted. He informed me that I had two (2) warped rims and two bad Goodyear tires. The dealer authorized (purchase order) the private tire company to replace with new rims and American General tires. The truck rode great until I towed something. Now I'm lost. The truck rides fine without towing, but vibrates severly when towing light weight trailers. I have tried several trailers to make sure, but it still vibrates. The private tire company also informed me that Goodyear Wrangler tires are poor quality and GM knows it. He's replaced several sets for the local Chevy dealer. Bottom line: they'll keep putting on Goodyears for you until you make them switch. Generals are probably not much better in quality, but they're better than Goodyear for the vibration.
Good luck John
Bigvette: If your 98 Silverado runs good, I'd keep it. If GM buys my truck back I plan to get good used 98 model. I believe the 98 and before models (I had several) were basically sound trucks. Something happened with 99 models that changed something. I'd wait till next year then reconsider.
Kansan: Your problem sounds exactly what I had. I had three (3) sets of Goodyear tires before I demanded they replace with different brands. Two (2) of the sets started feathering...all vibrated. I then took truck to a private tire dealer who I trusted. He informed me that I had two (2) warped rims and two bad Goodyear tires. The dealer authorized (purchase order) the private tire company to replace with new rims and American General tires. The truck rode great until I towed something. Now I'm lost. The truck rides fine without towing, but vibrates severly when towing light weight trailers. I have tried several trailers to make sure, but it still vibrates. The private tire company also informed me that Goodyear Wrangler tires are poor quality and GM knows it. He's replaced several sets for the local Chevy dealer. Bottom line: they'll keep putting on Goodyears for you until you make them switch. Generals are probably not much better in quality, but they're better than Goodyear for the vibration.
Good luck John
I'll keep you posted. Don't ever give up the fight!
Sewel Chevrolet, N.O.LA SUCKS!!!!!
I have no trace of vibration, never did, and have not balanced the tires. Just rotated once. (Firestone P265 Wilderness A/T is a good tire)
I think the front end shimmy is a problem in 2wd trucks which are different in several ways.
1.) 2WD trucks have rack and pinion steering vs the recirculating ball in 4x4.
2.) 2WD trucks use coil springs, the 4x4 uses torsion bars.
Good luck to all.
P.S. > At first, I balked about paying the price premium for those Wilderness A/T tires. It seemed like a lot at the time. Maybe GM knew something?
is that normal??
Also, now the engine will rev up to 2000 rpm at 30mph and not shift up to the next gear and when going 45 mph the tach is at 1800. It use to be about 1100 when the converter use to lock in sooner. I bet that will help my gas mileage!! The last time I check I got 12 city. Most of my town I drive 35-40 mph.
Today it is about 30 and no frost on the windows and they are frozen! I can't believe it, what a crock. All of my other cars/trucks would work unless there was lots of ice in the windows.
I haven't had a Ford in 20 years but I will be switch soon!!!!!!!!!
No Mo GM junk
I had the 40mph shake, but when they reprogrammed the trans, it went away and the truck seems to be acting "normal" transmission wise, at least I haven't noticed anything.
BTW, My 2wd 1500 Ext cab 4.8 gets 19.5 to 19.8 on expressway at 70-80 mph.
I can believe it is a shock, tire, spring thing since mine seems to be coming from the rear, and the only thing it could be are those items, and the rear end and frame.
I have a slight vibration felt though the steering wheel occasionally at 65 mph on a smooth road, but the major shake is occuring in the whole truck.
Steering on these 2wd is strange anyway, with the wheel picking up any tire movement over bumps. That's probably a design flaw and not a "fixable" problem. If they would fix the vibration, you wouldn't feel it through the wheel.
I'm glad this topic getting more participants, alot of the old guys got mad and sold their trucks back, or gave up.
Keep the heat on GM !!
I wonder if the dealers have thought about the possibility that the weight difference in the
white rubber in the white letters is causing tire imbalance??? That will probably come next :-(
(Sad state of affairs we are involved in).
Other 1/2 tons drove either well at all speeds, or had noticabeable vibration in the 60 to 65 MPH range.
I then drove a 3/4 ton, and the difference was night and day. The 2500, although a firmer ride, felt smoother then the 1500 at all speeds, and had absolutely zero vibration at any speed. Also, the difference in performance (at least to me) between the 5.3 and 6.0 liter engines was nothing short of astounding.
After taking test drives, I then spoke to the service manager at every Chevrolet / GMC dealership in this area (about 15) and got their input on the vibration problem. Surprisingly, all of them acknowledged the problem existed (although most of them said it was only a small minority of total trucks sold) and their responses to the possible causes/fixes varied. However, the one thing that all of them mentioned, without my asking, was that the problem was confined to the 1500. They all seem to think that the extra weight of the 2500, along with recirculating ball steering as opposed to R&P in the 1500 was the key difference (I was skeptical of the R&P steering in the 1/2 tons when I first read about it in 1998. While periodic redesign of a truck involves many things, why change something as fundamental as the steering mechanism that has worked so well for many years?).
Based on all this, I've ordered a 2500 LS extended cab, 2wd, 6.0l. I'm interested to hear if anybody has had vibration problems in their 2500.
Have more of the problems been with 2WD trucks??? What about the 4WD pickups???
I would like to hear from anyone who has a extented cab 4WD with the 5.3 engine & 3.73 rear axle locker.
Thank you,
AFS
It is a highway speeds; 60-70 mph and will do it intermittently. Most times its on a downhill coast with a little throttle or in a slight pull or if a bump is hit.
Dealership has had the truck 3 times. First, two tires were out of round(0.050) YES, 50 thousands!!!
Second they kept it for 3 weeks. Third time it was put on a chassis dyno and they still have no idea.
The case is going to arbitration with the BBB and GM.
The truck only has 2000 miles on it. Lemon Law.
Here are 3 other BB that have some info.......
http://www.pacific-audio.com/performance/discussion.html
http://www.elecnet.com/wwwboard//wwwboard.html
http://www.sportruck.com/tech/tech.htm
Ray T.
My towing vibration feels like a cycling vibration, if that makes sense: it will run smooth for a couple of seconds then vibrate a couple of seconds. Feels like something in the transmission, but I just had a new one put in for my regular vibration (non-towing).
I am completely lost on what to do now. My dealer is also... I'm currently involved with buyback (8300 miles) with BBB. Good luck.
John
Dean
mike
And no, I have not come up with a new problem, its just a very minor annoyance, I can live with that noise when I start it up. I just want to know what it is in case its something that I should get fixed. I will patiently wait till it gets worse and easy to find. Kind of like the "change oil" light, I went through the wiring diagram to make sure that nothing important is broken and decided that will all the posts here about things being worse after visits to the dealer, I would live without a change oil warning. Besides I change my oil _FAR_ more often than that light would tell me to anyway.
mike
To catch up I have a Silverado 1500/ Z-71, 5.3/automatic, 3.73/posi, 4wd, reg cab/long bed.
What a truck-other than shaking, there is no problems with the truck.
As a result it seems to me that a lot of you guys that have been switching tires and wheels have been getting the old spec tires. Go back to the dealer and see about tires that meet the later spec. It may not work in all cases but it just might too! It did for me and the truck is now all I had hoped it would be.
Thanks,
Ken
ANY SUGGESTIONS FOR THIS OLD RETIRED USAF GUY?
I'm waiting on my 2500 2wd ext. cab shortbed to be produced week of 2/7.
Ray T.
By-the-way..... each time they put Goodyears on my truck, it ran different for 300-400 miles then returned with vibration. However, I hope they're telling you the truth and your problem is solved. It would be nice to hear some good positive GM news.
Also, the independent tire company that finally fixed my non-towing vibration, told me last week that he talked to the GM area service rep. who advised him that they (GM) were experiencing big problems with Goodyear tires on the Silverado.
Good luck, John
This is a 4x2 ext cab, 3door, short box, 4800 v8, auto trans, cast aluminum wheels with General tires, locking rear end, standard suspension-no trailer towing or any other special options.
Only complaints at this time are slight wind noise at 55mph and higher-probably from 3rd door fit- and stiffness of ride with no-load. I have power bucket seats and expected to have a softer ride.
The date code is on the inside if the tire only and is the last 3 nimbers of the DOT number. i.e. "409" is the 40th week of 1999. That is when the tire is made. I spoke with GY and GM and both said they were aware of the problem. Of course each pointed the finger at the other...GY said that the Silverado was extremely sensitive to tire/balance because of the stiffness of the frame and GM said that the tires provided to them by GY were not up to spec. GM said they had tightened up the spec in the 1 Oct tome frame and they expected the tires built after that to be better. My truck is much better with the replacement tires but is not perfect. I think this is road feel more than anything because it is very dependent on the type of road surface I am on. I hope that the vibration I had doesn't return after 4-500 miles but if it does it will still be tire related because the tires did cure it once. If they hadn't I would be concerned that something else was wrong. I now have put about 300 miles on these and see no change for the worse. I am concerned that when these tires need replacing I will go through this again. I wonder if ALL the GY ST's that are produced after the "magic" date will meet the spec. I usually replace OE tires with Michelin LT's with good results. Since Gy and GM told me the problem with the ST was the sidewall I wonder if the Michelins will work. I hope we are not locked in to GY since I'm not a big fan of them. I had a vib. problem on my wife's '99 Blazer too...it had Uniroyal Laredo's on it (and a bent rim). I replaced them with LT's and it is now smooth as silk. There is a great explanation of our problem on the Dunlop Home Page under Troubleshooting vibrations....it made me understand what was going on. Anyhow...for now I am happy...and thankful that my dealer is responsive to the problem. I believe the Silverado is as good as it gets in trucks. I have friends with Dodges, Fords, and Toyotas and have driven and ridden in all of them. As a "complete" package I think GM beats them all and would buy another one in a minute. Remember something to you guys that are contemplating buying one.....you are only hearing from the guys with problems. For everyone one of us there are many more out there with none at all. My recommendation is drive the truck you want to buy on the roads you are familiar with.....above 60mph.....if you are happy with it but it no matter what it says on the hood. I think most of you will end uo with a Chevy or GMC.
Rick
I've posted here in the past but mostly I just like to read. Anyway here's what I got: 2000 GMC Sierra SLT 1500, 5.3L 3.73 Locker, Leather,Tinted windows, Best Stereo, Better Air filter etc. Sportside. How is it .....hmmmmm PERFECT!!! I love her, she the most beautiful thing I've ever owned. I ordered on Oct. 4 so it was a long wait but I really wanted a four door. Hated to do it but with the 12 miles that were on the od I took her up to 78 mph using the cruise 1 mph at a time. This truck is absoulutly SOLID with not even the slightest hint of shimmy or shake or vibration. Only small annoyance I've found is the drivers seatback has about a 1/2", feels like spring loaded, give. It will kinda push forward when I'm stopping. Then lean back when I accelarate. Any one else experience this. BTW the passangers seat is tight. These are the full feature captains. It sure is gonna be hard to keep this puppy in the low to mid 50's for 500 miles or so. You can just feel this baby wanting to roar. Paid $25770 using GMO and then took another $500 of with the loyalty coupon. Built on 1/13/00 delivered on 1/28/00 drove home today. Not positive were it was built as the order sheet said Wentzville and the window sticker said Oshawa, Canada.