Duramax Diesels Forum Truck of the Week
  #1  
Old 09-06-2014, 06:07 AM
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Default Trans flush shop recommendations

Looking for a reputable shop that will flush my trans an fill with new fluid.

It isnt giving me problems or anything but the fluid is black and i dont know when it was last changed if ever i bought the truck with 160k on it. Now has 200k+

Went to dealership an they told me if it aint giving me problems than to not worry bout it that it could possibly start having issues after the flush.

Whats yalls opinion on this

And if yall think it needs to be changed whats a recommended shop in the houston Galveston area
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Last edited by quacker.smacker; 09-06-2014 at 06:28 AM.
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Old 09-06-2014, 06:21 AM
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plowboy_lbz plowboy_lbz is offline
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You don't flush an Allison. Just drain the pan and refill.
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Old 09-06-2014, 06:28 AM
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I don't know what fluid was used before thats y i wanted to flush it
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Afe mp, 3in mbrp dp, 5in mbrp strait pipe, full egr delete, efi live, sitting on 33s.
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  #4  
Old 09-06-2014, 06:40 AM
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Quote:
Originally Posted by plowboy_lbz View Post
You don't flush an Allison. Just drain the pan and refill.
Care to elaborate? We do it all the time.. Have a flush machine that hooks up in line of the trans lines and uses trans pressure to exchange fluid.
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Old 09-06-2014, 09:03 AM
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clrussell, do you use a fluid exchange machine?

http://mdhmotors.com/transmission-fl...-transmission/



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Old 09-06-2014, 11:16 AM
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I believe it's a fluid exchanger.
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Thanks to everyone on this forum who has helped me and those whom I bought parts from.

Special thanks to Evan, James, Russell, Mark and all the others I'm forgetting.
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  #7  
Old 06-16-2015, 08:35 PM
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Allison recommends not flushing, just drain and fill every 50k it will usually hold about 9qts. Trans synd is the recommended fluid.
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