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  1. Brand new transmission on a '15 6MT - gets stuck in gear, notchy shifting - what's left?

    Dodge Challenger Mechanical Problems and Questions
    So I've been through the ringer with several different dealerships and mechanics. They replaced fluids, finally replaced the transmission, fixed this and that and it feels better than it did when I bought it a year later, but something is still wrong. I'm not an expert on cars, but I've driven...
  2. Ideal transmission fluid for '15 6MT

    Oil Change - Lubrication - Fluids
    I've heard success stories from people who use royal purple synchromax, driven STF, Redline D4, Amsoil manual synchromesh 5W-30 and just recently I found that Tremec puts out a high performance manual transmission fluid. I am finding notchiness with the stock fluid so wanted to see if there was...
  3. Running out of hope for my transmission

    Dodge Challenger Mechanical Problems and Questions
    See my previous thread here: https://www.challengerforumz.com/threads/potential-issues-with-transmission.140394/ 2015 R/T Plus Shaker 6MT Since then I have taken it to 3 different dealers and 1 transmission specialist. After the first one cleaned and lubed the input shaft as per Star...
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