Thanks for posting that. When you said at the end that you didn't know if the part numbers were different I went back to the beginning and it sounds like both parts numbers are the same.
Was wondering with the vibration in your gas pedal, do you have a V6 or V8 motor ? Unhappy Camper-- are you saying that you get the vibration at different speeds ? I'm only seeing it on the highway at speeds above 60 mph,up to 60 it rides pretty smooth. I have V6 motor and V4 mode doesn't seem to cause any side effects so far.
Got 4 new tires and the vibration is not as severe but it's still there,sometimes it does it over 60 mph on the highway and sometimes it doesn't. The main problem now is they gave me 4 "new" tires with 3 different manufacture dates. 2 tires have the same date and the other 2 tires have completely different dates. Originally they said GM would be providing 3 new tires under warranty status and they would try to get a 4th for Customer Satisfaction. I had made an afternoon appointment so I called in the morning to make sure the tires were in. The service writer wasn't sure and said he would call me right back. 2 hours went by so I called him back and he said the tires weren't in. No problem I said,I'm going to drop the truck off and leave it there and when the tires come in I'll come back later in the week and pick it up after they install them. About 10 minutes later he called back and said they "cross referenced" and that they have the tires in stock ! So I showed up for the scheduled appointment and they put the tires on. As I was signing the paperwork I asked the service writer if they road force balanced the tires and what the numbers were. He gave me a blank look and looked over at the Service Manager who went in the back and came out a minute later and said they did the RFB and the numbers were 10 or under.I asked if the tech took it for a ride and the service writer said some mumbo jumbo about the tires were installed safely and correctly. The truck actually rode pretty good on the 15 mile ride home. When I got home I noticed all the different dates on the tires and also on the service invoice the in/out mileage difference was only 1 mile so the truck never left the parking lot when they had it. My main concern now is that they just scrounged up whatever tires they could find in the back that were the same brand and size. Possibly problem tires from other new trucks that ended up back on the shelf somehow when they were replaced with new ones. I thought I would be getting 4 new tires with the same date from GM. Have to make another trip back there now,tell them there's still a problem and that I want 4 new tires that match,what kind of response do you think I'm going to get?
New member here--Just bought a new 2018 Silverado 1500 W/T model regular cab long bed. Got on the highway to take it home and it immediately started vibrating at about 63 mph and above,felt it in the steering wheel and the center console module. Doesn't always do it at that speed depending on the road surface texture but it does it more than half the time. Took it back in for service with about 200 miles showing on the odometer and they road force balanced the tires and told me to put a couple hundred more miles on it in case the tires needed to round back out from sitting on the dealer's lot,it was manufactured 3/18 and it has General Grabber HTS 255/70/17 tires. Service writer said if there's still a problem call them and they will order 3 new tires. I asked him why only 3 new tires instead of 4,doesn"t make sense to make sense to me. He said that 3 of the tires were near high end of limit but 4th tire wasn't and GM won't let them order it. Also looked like they had one of the "junior" mechanics working on it. I've put 250 miles on it since and there's still a problem so I'll have to call them and tell them to order the tires and probably have to argue about getting the 4th one. I've read the last 20 pages of this thread so I'm not getting my hopes up that new tires will solve the problem. Any suggestions on how to deal with this if the new tires don't do the trick? Also noticed that extended or crew cab models seem to be mentioned the most in the pages I've read. Does this problem seem to crop up in the regular cab long beds much ? Other than the vibration problem the truck is pretty much what I've expected for a low end trim model. Thanx, bumtruck ;
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