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Message: [QUOTE="dsmracing1, post: 1136708, member: 16480"] Hi all, I have a transmission issue that has started to happen with just 18000 miles on the truck. It's been deleted since it had 6000 miles on it and it mostly gets highway driven for work and then driven slow speeds around job sites. I get on it once in a while and will turn the mini maxx up to performance once a month at the most to have a little fun. I mostly run the truck in tow on the H&S but as of late I've been keeping it on street since I like the extra low end torque boost you get. Currently I have a 5" flo pro exhaust with S&B intake running gear head tunes. I want to say I am not bashing gear head tuning at all since I couldn't be happier with it! So with that being said here is the issue I'm having. When I first got the gearhead tunes I was having a small hiccup with a 2-3 shift being rough so gearhead hooked me up with a different file that overall had softer shifting and fixed the 2-3 rough shift. All is good and I was on my way enjoying the truck! A few months have passed now and I have started to notice what sounds like some slipping when shifting from 2-3 and 5-6. Like I mentioned earlier I have been running the truck more so in street lately. On my road trip yesterday I took off from the lights to get in front of another vehicle and when the truck shifted from 2-3 and then I lifted from the throttle it sounded like a bunch of belts squeaking is the best way to describe it. I'm not a transmission tech by any means lol. I also get this when passing someone and I will be in 5th and when shifting to 6th and I will get the same sound too. It's not the torque converter slipping as the rpm's don't jump but it doesn't sound good. I am also having this 2-3 shift flare when the transmission is cold... I began trying different tunes for the transmission on my 1000 mile trek yesterday and when I ran the stock trans file the belt squeak between 2-3 and 5-6 is way worse! Then I went back to the firm gearhead trans tune and can't recreate the noises between these shifts now. I'm guessing this is to do with the line pressures?? Does anybody know what exactly is going on here? I know it sounds like I have a bad solenoid or I possibly need the re flash? I checked the dipstick on the transmission and the fluid almost smells slightly burnt but the colour is still fine and I could be being paranoid as the trans was up to temp and had been going for a few hours. I believe I saw a couple small small metal shavings on the dipstick but can't be sure. I don't really know where to start with this since now running the firm shift gearhead trans tune I'm only getting the 2-3 shift flare when cold but I know there is a lingering problem if I run any trans tune but the firm shift. I really want to change my filter and fluid and start fresh but I also feel that I should try and take it to the dealer for them to diagnose but haven't taken it back to them for anything power train related while being deleted. Makes me paranoid that there going to black list me and I'll be screwed. Thanks for any insight to this, Cam. Sent from my iPad using Tapatalk [/QUOTE]