I have a 2012 GMC Sierra 1500 Z71 4x4 SLT. Latley I have had an issues with the shifting. Most of the time all is good, but when I'm going between 35 and 40 and let off the gas then give it some gas it hits real hard. It does the some what of the same when I am on the highway going about 70 and I give it more gas. On the highway it seems to down shift ( feels like I'm stopping) than shifts hard. The transmission was just rebuilt and I just replaced the tps and cleaned the throttle body. I at a loss and am running out of money to throw at it. The transmission shop ensures me it is not the shift soleniods, he says if it was I would have a lot more shifting issues than I currently have. Also, the check engine light does not come on and there are no codes in the history. Any help would be appreciated
I recently inherited a 2002 Silverado 1500 Standard cab 4.8L 4x4 manual NV3500 transmission. It has 208k miles on it. My oldest son is 14 and we plan to restore it so he'll have something to drive when he gets his license. It drives very nicely. There's some slop in the front end and I expect it's due a pitman and idler arm, ball joints, and probably tie rod ends. Aside from that, the only thing that concerns me is shifting from 2nd to 3rd. It's really hard to find 3rd gear, and when I do it takes a little force to get it in there. Downshifting from 4th to 3rd is smooth. Any ideas as to the cause and fix?
So I tried to drive in the manual mode, with the 1,2,3 gears after the Drive position, and once I got up to around 25mph, it shifted by itself (I’m guessing to 2nd gear) but I didn’t even shift my shifting column to 2nd, and it still showed the truck being on 1st gear on the cluster, can someone help, I have 2005 Silverado LS crew cab 5.3L
I have a 2016 Silverado Custom double cab and I was wondering if anyone has this particular issue that I have been dealing with for quite some time. I purchased the truck brand new from my local dealership and as time went by it developed this clattering noise. This particular noise tends to appear when I am either braking while entering an intersection or driving and slow breaking. It sounds like its coming from the middle compartment of the truck and I cant seem to figure out what the deal with it is. I have tried with no success to record the noise in order to take it to the dealership to no avail. I have taken it to the dealership but they tell me that I have to replicate the sound in order for them to be able to determine a diagnostic in order to fix it. I took the tech on a drive but I was unable to duplicate the sounds. It sounds like its a progressive clanking noise of two metal pieces. The sound is not constant but rather it tends to build up in noise and then clutters down. The truck has only 11k miles on it and all have been placed by me. If anyone can please help me with this so that I can take it to the dealership with something in order for them to handle this it would be greatly appreciated. Thanks.
I have a 99 gmc 2500. It’s shiftig very hard and the speedometer will stop working. It doesn’t do it every time I drive it and it doesn’t do it the whole time I drive it.. it’s just on and off. The check engine light is NOT on. Please help! Also has a new alternator and battery.
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