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Duralube Trans Shudder Fixx question #5397801 04/08/20 08:36 PM
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soulburner Offline OP
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I had a odd vibration in new to me 2001 Tracker that would come and go randomly, that I thought might have been torque converter related, I used a tube of the Shudder Fixx in the transmission. Which obviously it didn't fix. Because the vibration ended up being an improperly installed CV axle.

My question is, since I added this to a perfectly fine transmission, will this cause any sort of damage? Should I have it flushed out?

Re: Duralube Trans Shudder Fixx question [Re: soulburner] #5397814 04/08/20 08:44 PM
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sloinker Offline
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Leave it and don't worry about it until your next fluid/filter change. Probably some ester in it for friction modification and cleaning. Keep it out of your eyes and don't breathe it if it starts on fire. Lube-Gard makes good products.

Ingredient Name CAS Number Weight % GHS – OSHA Classification
Lubricating oils, refined , used 68476-77-7 30 - 60 Not Classified
Amines, C12-14-alkyl, C6-10-alkyl phosphates 68603-55-4 30 - 60 Serious Eye Irritation Category 2A
Zinc, bis[O,O-bis(2-ethylhexyl) phosphorodithioato-.kappa.S,.kappa.S']-, (T-
4)-4259-15-8 7 - 13 Serious Eye Damage Category 1
Ethylbenzene 100-41-4 < 0.1% Flammable Liquid 2
Acute Toxicity 4 (inhalation)
Carcinogen Category


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Re: Duralube Trans Shudder Fixx question [Re: sloinker] #5397817 04/08/20 08:48 PM
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soulburner Offline OP
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Thank you sloinker. I'll do just that, I just wanted to get someone elses opinion on it as well.

Re: Duralube Trans Shudder Fixx question [Re: soulburner] #5398031 04/09/20 06:47 AM
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MolaKule Offline
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Originally Posted by soulburner
I had a odd vibration in new to me 2001 Tracker that would come and go randomly, that I thought might have been torque converter related, I used a tube of the Shudder Fixx in the transmission. Which obviously it didn't fix. Because the vibration ended up being an improperly installed CV axle.

My question is, since I added this to a perfectly fine transmission, will this cause any sort of damage? Should I have it flushed out?


Yes you should flush it out because it adds friction modifiers not needed. It will change the long-term dynamic friction coefficients.


"As engineers [and scientists] we are wired to solve problems and to create new things, to challenge the status quo and push the limits..." Ken Hurt, Embry-Riddle University, Class of '97.
Re: Duralube Trans Shudder Fixx question [Re: soulburner] #5398350 04/09/20 11:35 AM
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RevelationLion Offline
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I believe the OP is referring to Lubegard not Duralube.


- 00 Honda Accord - 5w-20 Maxlife FS - LG Biotech - Honda DW-1 - Redline D4/D6
- 05 Infiniti G35 - 5w-30 PU - LG Biotech - Maxlife ATF - LG Red
Re: Duralube Trans Shudder Fixx question [Re: soulburner] #5398409 04/09/20 12:27 PM
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MolaKule Offline
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I took the OP to be referring to this product:

https://www.lubegard.com/products/isf/

I don't think Duralube makes or markets a shudder additive that I could find.

Last edited by MolaKule; 04/09/20 12:28 PM.

"As engineers [and scientists] we are wired to solve problems and to create new things, to challenge the status quo and push the limits..." Ken Hurt, Embry-Riddle University, Class of '97.
Re: Duralube Trans Shudder Fixx question [Re: MolaKule] #5398806 04/09/20 09:22 PM
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soulburner Offline OP
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Originally Posted by MolaKule
I took the OP to be referring to this product:

https://www.lubegard.com/products/isf/

I don't think Duralube makes or markets a shudder additive that I could find.


Yes, that's the product, Sorry. I don't know where I got it was Duralube from. One of those days lol

Re: Duralube Trans Shudder Fixx question [Re: soulburner] #5398813 04/09/20 09:27 PM
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sloinker Offline
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Looking at Lube-Gards literature concerning this product I would leave it in and just forget it's there.


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