Duramax Diesel Manual Transmission Problems? - Chevy and GMC Duramax Diesel Forum
Transmission Shop Discuss the Allison OEM, aftermarket, and the ZF-6.

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Old 08-17-2011, 02:21 PM   eBay Motors  #1 (permalink)
 
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Duramax Diesel Manual Transmission Problems?

Looking at a 2005 Chevy 2500 hd duramax (6.6l) with 130K miles. i'm told that the "allison eats up manual transmissions" and that i should only buy one with an automatic transmission. What are the problems with the manual transmission and should i, in fact, avoid buying one?
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Old 08-17-2011, 02:27 PM   eBay Motors  #2 (permalink)
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?????????????????????????????????


"the Allison eats up manual transmissions"


1. the Allison is the name of the automatic transmission.
2. the ZF-6 is the name of the manual transmission, not made by Allison.
3. You need to forget anything that any "expert" or "diesel guy" has ever, or will ever tell you.
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Old 08-17-2011, 02:37 PM   eBay Motors  #3 (permalink)
 
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sooo, no problems then??
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Old 08-17-2011, 02:38 PM   eBay Motors  #4 (permalink)
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Nope.
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Kevin: SOLD!!!!!!!!! MY07.5 3500HD SRW. LMM. LT. CCLB. 4x4.
8" Cognito, 20" SOTA'S, PPE Stage 5, SDP S475 Twin Turbo Over Stock, EFI Live by DuramaxTuner, ADII.
MY11 Volkswagen Golf TDI 6MT.
6K Lows, 3K Fogs, Tint.
CLICK BEFORE YOU POST!



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Old 08-17-2011, 02:41 PM   eBay Motors  #5 (permalink)
 
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sooo, this truck does not have an "allison transmission" because it is a manual? still just as durable as an allison? other advantages to an automatic transmission over a manual in this case? thanks for your input!
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Old 08-17-2011, 03:08 PM   eBay Motors  #6 (permalink)
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Quote:
Originally Posted by chevy lover View Post
sooo, this truck does not have an "allison transmission" because it is a manual?

are you high?


Quote:
Originally Posted by theunderlord View Post
1. the Allison is the name of the automatic transmission.
2. the ZF-6 is the name of the manual transmission, not made by Allison.
__________________
Kevin: SOLD!!!!!!!!! MY07.5 3500HD SRW. LMM. LT. CCLB. 4x4.
8" Cognito, 20" SOTA'S, PPE Stage 5, SDP S475 Twin Turbo Over Stock, EFI Live by DuramaxTuner, ADII.
MY11 Volkswagen Golf TDI 6MT.
6K Lows, 3K Fogs, Tint.
CLICK BEFORE YOU POST!




Last edited by theunderlord; 08-17-2011 at 03:10 PM.
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Old 08-17-2011, 03:15 PM   eBay Motors  #7 (permalink)
 
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not high...just young and inexperienced. trying to get some straight answers and some good advice from the "pros". i'll try to find one somewhere else...
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Old 08-17-2011, 03:30 PM   eBay Motors  #8 (permalink)
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Don't know how more clear I could have been... but that's the internet for ya.

There are no inherent problems vs one or the other.

The ZF-6 equipped trucks are harder to find, and are no longer made after 2007.5.
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Kevin: SOLD!!!!!!!!! MY07.5 3500HD SRW. LMM. LT. CCLB. 4x4.
8" Cognito, 20" SOTA'S, PPE Stage 5, SDP S475 Twin Turbo Over Stock, EFI Live by DuramaxTuner, ADII.
MY11 Volkswagen Golf TDI 6MT.
6K Lows, 3K Fogs, Tint.
CLICK BEFORE YOU POST!



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Old 08-17-2011, 03:36 PM   eBay Motors  #9 (permalink)
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The automatic transmission is made by allison..its the brand name. The manual transmission is not made by allison
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Old 08-17-2011, 03:41 PM   eBay Motors  #10 (permalink)
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Quote:
Originally Posted by chevy lover View Post
not high...just young and inexperienced. trying to get some straight answers and some good advice from the "pros". i'll try to find one somewhere else...
And there u are showing ur age. The zf6 is a good transmission and will handle the power if u prefer it over a automatic. This isn't the 1950s anymore automatics can handle power now as well. The Allison is a grade a example of a good automatic tranny and u will not have any problems with going with the Allison
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