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    6.6 Gas - transmission cooler fan

    Has any one looked into a transmission cooler fan? I'm a bit concerned about backing up on hot days and over heating the transmission. High fluid temps kill transmission life.



    2021 GMC 2500HD
    2022 Reflection 260RD

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    Site Team Ynot4me2's Avatar
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    Transmission have come a long way in recent years and seems the be built to run hotter. Seeing that you have a 2021 I wouldn't worry about it. Still keeping an eye on it though. Plus being a 3/4 ton, you must have some type of cooling. I'd try it out first and adjust or mod for there if need be.

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    Steph & Lise
    2019 F150 Lariat 2.7 EB
    2020 Imagine XLS 22MLE

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    Site Team WhittleBurner's Avatar
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    I believe any truck with a towing package will have a trans cooler factory installed.
    Marcy & Gary
    2014 Grand Design - Reflection 303RLS
    2022 GMC 3500 Denali Duramax Longbed SRW
    2015 GMC Denali 3500 - Retired
    2003 F350 - retired
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    We're in trouble now, the dog are bloggin'!
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    Rolling Along jleonard's Avatar
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    Quote Originally Posted by Dan_Curley View Post
    Has any one looked into a transmission cooler fan? I'm a bit concerned about backing up on hot days and over heating the transmission. High fluid temps kill transmission life.



    2021 GMC 2500HD
    2022 Reflection 260RD
    I wouldn't think you'd be backing up so far or so fast that overheating would be a problem.
    Jay Leonard
    New Port Richey, Fl
    2022 Imagine 2600 RB, 2021 Ram 2500 CC Bighorn 6.7L Cummins

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