Noises 5spd under decel

Mike L.

Got Sheep?
Staff member
Vendor/Sponsor
Aug 12, 2006
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Fullerton CA
Oh nope sure haven't :/ I mean the trans was built then blown up and then I replaced broken parts and left it exactly how it was when originally built just figuring I'm using pinion bearings from one trans and ring and sun gears from a different trans so I would guess the miss matching wear patterns may be it but honestly I don't know.
639be67ddf99c110522c80d7220ffcf0.jpg

But sure looks pretty haha

:gayflag::gay:
 

TheBac

Why do I keep doing this?
Staff member
Apr 19, 2008
15,674
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Mid Michigan
:gayflag::gay:

Says the guy who's name is attached to the LAVENDER Precision ML converter. :hehe: I always wondered WTF you were thinking by ok'ing that color.

BTW, mine is still working just fine. 10 years.
 

Dvierra86

Member
May 30, 2016
156
0
16
Everyone says use dex3 on the 5spd yet gm says you can use dex6 to replace the dex3 what do you think about that ? Should dex3 be used with suncoast clutches ?
 

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IOWA LLY

Yes, its really me
Feb 23, 2007
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USE DEX 3!!!!

5 speed or 6 speed. Dex 6 is garbage.

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Mike L.

Got Sheep?
Staff member
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Aug 12, 2006
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Fullerton CA
USE DEX 3!!!!

5 speed or 6 speed. Dex 6 is garbage.

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^^^^^
Just remember that Dex 3 will need to be changed more often under severe usage as the addative package will burn away quicker. You may not be able to see this as the fluid will remain red and smell good, but it may not be doing its job.
 

ChrisPerry

...........
Apr 4, 2016
209
6
18
Ventura, CA
Don't be. Listen to Mike.

Is Dex6 even an Allison approved fluid?

Nope...
W0RLDWIDE ALLIS0N TRANSMISSI0N C0MMUNICATI0N HOTLINE WATCH #409
January 2010
Page 1 of 1
SUBJECT Dexron@-Vl Automatic Transmission Fluid Recommendation Changes
MODELS AFFECTED: All Allison Transmission Products
Effective immediately, Dexron@-Vl automatic transmission fluid is no longer approved for any Allison Transmission,
lnc. product.
Allison Transmission, lnc. is removing Dexron@-Vl as an approved fluid for Allison Transmission products.
Only TES-295 and TES-389 fluids are approved for use in Allison Transmission On-Highway products.
Allison Transmission, lnc. will be revising its service information relating to the removal of Dexron@-Vl as an
approved transmission fluid.
For additional information, please contact your Allison Transmission sales representative or go to the Allison
Transmission web-site al www. allisontransmlsslo n. com.
EG/05083242/WA5892EN
Copyright 2010 Allison Transmission, lnc. All Rights Reserved.
TECHNICAL PUB P0. Box 89 lndianapolic, lndiana 48206

And heres a quote from Mike L


"I like Dex 3. I do not like Dex 6 as it was never tested in a cold room and destroyed quite a few Alli's in Canada a few years ago. Next they found Dex 6 was not compatible with the Allison Viton front seal and Allison had to change the compound. Dex 6 was attacking the front seal and causing leaks. What other surprises are we going to see with Dex 6?
I do not blame Allison for not approving Dex 6 and I wouldn't flush my toilet with it."
 

minerigger

Active member
Dec 24, 2013
2,660
1
38
Casper, WY
^^^^^
Just remember that Dex 3 will need to be changed more often under severe usage as the addative package will burn away quicker. You may not be able to see this as the fluid will remain red and smell good, but it may not be doing its job.
What do you consider severe application or usage? I daily drive mine but it's pretty fun to get on it. We talking under 10k or over 10k miles. Just curious what kind of service intervals would be good for the fluid to be swapped.

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