Bill Reinhardt replied to geltoid's topic in 2014-2018 Silverado & Sierra Mods2014 WT with power windows and locks (and also TPMS, apparently that matters?) Went to a private car audio/security shop, Viper 5806v keyless entry and remote start installed for $600 out the door. The only issue was that they needed to add a delay to the remote start to be in sync with the chip key device.
Well I support your decision! No excuse for GM to let this slide. If I had a top trim Sierra/Rado, I'd certainly rade it in for something else and never look back. Fortunately for me, I have a cheap WT model that drives about 10 miles per day and rarely sees speeds above 70mph (and the shake seems to be depending on the road quality... sometimes there is no shake at all!) All truck brands are bad in their own ways, just have to find the one with the problems you can tolerate the most! Sorry that a few insecure bad apples are threatened by your decision. I'm sure the Ford will be just fine!
Bill Reinhardt replied to Mileguru's topic in 2014-2018 Silverado & Sierra ModsI'd personally like to see a "Chevy-shake delete" kit ;)
Yup, top complaint in the "Troubleshooting" section: 814 pages of no solutions. Some people claim that a new custom driveshaft, road force balanced tires, or selling the truck for something else have all been the appropriate solutions. Only one of those is guaranteed to work, the other two are hit or miss. Edit: Not only the top post in the troubleshooting section, but probably the most active page on this entire website
Updated my review to reflect new developments with the TCM tune. Much improved after the stupid but necessary paint stick gas pedal mod. Also had Lew adjust for downshift feel. Clunk is still present, but it seems to be more of a driveline slack problem than a transmission problem.
Bill Reinhardt replied to Behindbars1544's topic in 2014 - 2018 Chevy Silverado & GMC SierraAwesome! It has been a while, how's it driving now that you've put some miles on it?
I got a new TCM tune from Diablew that has nearly eliminated the engine brake feel during downshifts as the truck comes to a stop. So with the Diablo tuner and a custom tune, it can be fixed. I'd assume the same with Blackbear. However, the occasional driveline "clunk" is still present. I think this is more of a driveline slack problem rather than a transmission problem. Worn parts are most likely the culprit for me.
Bill Reinhardt replied to LuckySOB's topic in 2014-2018 Silverado & Sierra TroubleshootingSorry that this is not a solution, but does anyone know if the battery draining completely would affect how the truck reads the chip key? Such as, maybe it needs to be reprogramed or something? I think it's unlikely that the truck "forgot," but the symptoms sound like the security system could be the culprit. I'm only going off of experience with other vehicles that are not specific to this truck. Just a shot in the dark here.
There are a few comments suggesting a TCM tune. With the problem as you describe it, I'd like to point out that a tune, for me at least, exasperated the downshift problem as-described. To me, it feels like a less aggressive "engine brake" that cannot be disabled. The TCM tune I received from Diablew, while great on the upshifts and around-town driving, did NOT help with the downshift feel while braking. Since the shift pressure was increased, it only increased the feel of the downshifts. I will contact Lew and see if there is something that can be done to change that, but with how many of these trucks he has tuned, I'm surprised it's not a part of the default package.
If I'm not mistaken, there are two ways to tune the transmission with that device: 1. Modify stock TCM 2. Apply the preloaded Firm or Hard shift tune If you selected "Modify Stock," then more options are available to you, such as adjusting upshift pressures and extending WOT rpm shift points. I personally have not had good luck modifying the transmission using a Diablo Tuner. Not necessarily the tuners fault, I blame my truck. Even a custom TCM tune was worse than stock. Many people will argue that the firmer shifts between 1-2 and 2-3 will help with transmission life if you tow/haul frequently. While I agree, I found it frustrating as a daily transmission tune on an empty load. The shift firmness was very inconsistent for me unless I had weight in the back. Your mileage may vary, however. Try loading the preset Diablo firm transmission tune and let me know how it goes!
Bill Reinhardt replied to Behindbars1544's topic in 2014 - 2018 Chevy Silverado & GMC SierraYes, the i2 can adjust throttle boost on your truck. It did on mine. You can either adjust it manually, or as Centex did, install one of the canned performance tunes which already have throttle boost applied. Check out the diablosport forums for more information if you'd like, lots of stuff there concerning these trucks. I'd still try the gas pedal mod first. Most people around here praise what it can do. I personally did both that and a 'Diablew' tune and have not looked back. When I purchased a new lisence for my I2 2030, it was pretty easy. Just connect to the computer, install the software, apply the updates, and there is an icon for the 'store'. From there, you can purchase a GM lisence with a credit card and it automatically applies to your device.
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