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Thread: Triple flush

  1. #1

    Default Triple flush

    How long should it take a dealership service department to perform a triple flush transmission fluid exchange with the latest blue label Mobil 1 synthetic atf fluid that is now required as per the latest technical bulletin 18-NA-355. I recently felt a shudder from my 2019 Grand Sport while driving on the highway that had a smooth surface doing about 60mph. I bought the car new last year in April as it was an early 2019 production run. It has about 1500 hundred miles

    Thanks, Sal from Long Island, NY

  2. #2
    Join Date
    Dec 2011
    Portage, Indiana


    I had that service done on my Colorado two months ago and I had to leave it overnight. BTW, it DOES seem to have helped the TC shudder. My truck was REALLY bad...
    Making something idiotproof only serves to breed a better grade of idiot.

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