Allison lines leaking???? - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 12 (permalink) Old 02-23-2008, 12:13 AM Thread Starter
 
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Allison lines leaking????

Ok, 3 of my buddies have 06 d-max/ally's and my father does as well. 2 extended cabs and 2 crews. 3 chevy's and 1 GMC All four of the trucks have had to get the tranny lines replaced and have been out of warranty. These aren't cheap to have done either. I was just curious if anyone else has heard of this or has been affected by it. When my dad asked the dealer if it was a popular problem, the tech says " Well, not really we only see about 2 trucks a month with this issue". Well, I think 2 trucks a month with the same problem is 2 too many. What do ya guys think?
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post #2 of 12 (permalink) Old 02-23-2008, 05:21 AM
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My LBZ is doing it, not bad enough for me to replace yet.
post #3 of 12 (permalink) Old 02-23-2008, 12:09 PM
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There's an aluminum crimp in 2 lines that can loosen and cause leaking. I'm keeping an eye on mine and will get them replaced under warranty if they start leaking.
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post #4 of 12 (permalink) Old 02-23-2008, 09:03 PM Thread Starter
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I'm not really sure where they are leaking. I had an 06 4500 with the D-max/allison and never had any leaking issues. All of thier trucks have just over 50K on them. I just thought it was odd that all 4 06's that I know had an issue with leaks. I guess it's not as common as I thought. I figured it would be a hot topic here.
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post #5 of 12 (permalink) Old 02-24-2008, 12:55 PM
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I don't think it's all that common.
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post #6 of 12 (permalink) Old 03-08-2008, 07:25 AM
 
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My alli just started leaking and its a big mess
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post #7 of 12 (permalink) Old 03-08-2008, 12:41 PM
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Mine seemed to have stopped? I am sure it will start up again soon The good thing is it's covered under warranty, so atleast no money out.
post #8 of 12 (permalink) Old 03-10-2008, 02:20 PM
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Seems like the problems started when it got cold? Think the thick fluid when it's cold are a possible cause?
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post #9 of 12 (permalink) Old 01-29-2009, 02:21 AM
 
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I will be on my third set with only 54,000 miles. also my steering gear box is starting to leak.
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post #10 of 12 (permalink) Old 01-29-2009, 02:26 AM
 
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Quote:
Originally Posted by Duke View Post
I don't think it's all that common.
I would have to disagree. I talked to a friend at a gm dealer here in my city. He said that they replace the trans lines on the allison's all the time.
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