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BRAKE FLUID TO STOP TRANNY SLIP???

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  #1  
Old 01-03-2006, 11:55 PM
DODGERAM808 DODGERAM808 is offline
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Default BRAKE FLUID TO STOP TRANNY SLIP???

HAS ANYONE HEARD OF ADDING A HALF CUP OF BRAKE FLUID TO THE TRANNY? I HAD A MECHANIC TELL ME DO THIS BECAUSE THE BRAKE FLUID WILL SOFTEN THE HARD SEALS SO IT WONT SLIP. I'VE NEVER HEARD THIS AND IT SOUNDS DANGEROUS. ANYBODY???
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  #2  
Old 01-04-2006, 12:23 AM
Ronnie Lee Ronnie Lee is offline
 
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Default RE: BRAKE FLUID TO STOP TRANNY SLIP???

Well....you are going to get a myriad of answers, so I say....
Call 10 Transmissions shops....make it 20 if it makes you feel better....see how many yes's you get, and how many no's....then...go with the most.

However scientific this ISN'T....I wouldn't try it...but it's something.
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Old 01-04-2006, 12:29 AM
1969roadrunner 1969roadrunner is offline
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Default RE: BRAKE FLUID TO STOP TRANNY SLIP???

Power steering fluid and tranny fluid are interchangable - you can use tranny fluid in a power steering pump. But I have never heard of anyone using anything other than tranny fluid in a tranny, and I don't recomend it. I also called my father (An ASE Certified Master Technician) for his opinion: He would not recommend it either. The best way to stop a tranny from slipping is to do it the right way and tighten the bands. If that doesn't do the trick, go to Advance Auto Parts or Autozone or any other parts store you would like and pick up a Chrysler 727/904 Transmission Rebuild Kit for about $150. It only takes about 4-6 hours to do the whole job, and anyone can do it. Everything is placed around a central shaft, and comes out in a certain way... Lay everything out the way it comes out, replace the old parts with the new ones, and then put everything back in the reverse way you pulled it out.... That's it... It is actually very simple, but most people are scared of it... The complicated part is in the valve body, but there is no need for you to go into that at this point...
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Old 01-04-2006, 12:31 AM
1969roadrunner 1969roadrunner is offline
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Default RE: BRAKE FLUID TO STOP TRANNY SLIP???

Also, the seals have nothing to do with the transmission slipping. The slipping is caused by the clutch disks. Seals just keep the fluid from leaking out.

Personally, I would tell the mechanic that he doesn't know what he's talking about. The brake fluid may, in fact, soften the seals, but regardless of that, you will still have a slip in the tranny...
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Old 01-04-2006, 09:36 AM
Funny Man Funny Man is offline
 
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Default RE: BRAKE FLUID TO STOP TRANNY SLIP???

If you want a quick temporary fix I would go with the Lucas Trasmission Fix. Notice I said "temporary".
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  #6  
Old 01-04-2006, 04:40 PM
1969roadrunner 1969roadrunner is offline
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Default RE: BRAKE FLUID TO STOP TRANNY SLIP???

Yes - All of the Lucas porducts work really well, I recommend adding them periodically just as a "treat" of sorts, kind of like you give your dog for doing something right. Haha. They can "fix" some problems for a short time, but just realize that eventually you will have to really fix it. Say you get a headache because you have your hat on too tight (Corny, I know, but stick with me here...), so you take some Advil or some type of painkiller. Well, the headache goes away for a while. But as long as you have your hat on too tight, it will keep coming back, no matter how much medicine you keep taking. Same with a slipping tranny - especially with a slipping tranny - the longer you allow the problem to exist, the more it returns, and it gets worse each time, because slipping is what causes a transmission to slip even more...
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  #7  
Old 01-04-2006, 05:00 PM
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Default RE: BRAKE FLUID TO STOP TRANNY SLIP???

Well we just replaced the tranny in my 95 318 5 speed and the transmission shop told us to use 5w-20 motor oil instead of tranny fluid. We added the motor oil and haven't had any problems out of it. But it worked for me.
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Old 01-04-2006, 06:27 PM
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Default RE: BRAKE FLUID TO STOP TRANNY SLIP???

Manual transmissions are a different story. Most modern manual transmissions use Automatic transmission fluid in them. I recommend using the Mobil 1 automatic transmission fluid in any manual transmission that calls for auto trans fluid. Did anyone follow that or am I just confusing everyone?
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Old 01-04-2006, 08:16 PM
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Default RE: BRAKE FLUID TO STOP TRANNY SLIP???

No, it made sense. But remember, in a manual transmission, the fluid is only a lubricant. In an automatic, however, it is also what controls the shifting. I would not put anything other than ATF in an automatic tranny. We just use the cheap stuff - Dexron III/Mercon that you can get just about anywhere. It works jsut fine for me, and I have never had any trouble with it. I'm sure the Mobil 1 is much better though, and I may switch to that at my next change, as I am extremely happy with how their Synthetic 15,000 mile oil is working...
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Old 01-05-2006, 12:34 AM
DODGERAM808 DODGERAM808 is offline
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Default RE: BRAKE FLUID TO STOP TRANNY SLIP???

thanks for the reply guys. i already changed the filter and gasket and added lucas to the new fluid. i run nothing but lucas in the oil, powersteering and tranny. the first tranny shop i went to told me the reason the tranny only slips when i first run the truck in the morning is because when the seals are cold they get hard and allow pressure and fluid to escape, when it warms up the seals expand and no slippage. he also said the band adjustment wouldnt matter. i dont know if this is right or not. also i just scanned the truck b/c the check engine light was on the only thing that came up is lockup converter for the tranny.
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Old 01-05-2006, 01:56 AM
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Default RE: BRAKE FLUID TO STOP TRANNY SLIP???

Ok, first let me say the adding brake fluid myth (notice I say Myth) has been around for years. Yes it will get you by, but is only a temp fix.

Have you ever hear of using brake fluid to loosen rusty bolts? Do you know it will eat the paint right off the side of your truck? Ok, with that said, do you know what it does inside your tranny? It will clean all the varnish that has built up on your clutch disks, and make the material swell,(so gives you the effect of it not slipping). Then what happens is it will come apart completely and leave you sitting high and dry, this will be either right before or right after it has eaten away your seals and let you fluid run out on the ground.

So with all that in mind, do you really want to try it? The safest fix I have ever used is a product called transX, yes it is safe, and have used it from time to time over the years, but again it is only a temp fix. As said about, if it is slipping the only way to go is either adjustment or rebuild. Good luck.
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Old 01-05-2006, 02:48 PM
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Default RE: BRAKE FLUID TO STOP TRANNY SLIP???

Well I just bought the transmission and the guy who sold the tranny from the shop told me to put motor oil in it. What does anyone think of that and has anyone used that before?
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Old 01-05-2006, 03:19 PM
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Default RE: BRAKE FLUID TO STOP TRANNY SLIP???

I was only talking about using Mobil 1 ATF in a manual transmission. You should always stick to Mopar transmission fluid if you can afford it. The Mopar fluid is in a class by its self. It has better additives than most other fluids and will help your dodge automatic transmissions last much longer. There is a reason the Mopar ATF+4 and the ATF+3 are expencive, they are much better fluids than anyone elses. If you have doubts about witch fluid to use, your transmission dip stick spells it all out for you (stamped half way down the indicator). If you want your Dodge automatic transmission to last well past the warranty do your self a favor and take it to the dealer and have the filter and fluid changed there. Or buy the parts from the dealer and spend a Saturday afternoon in your driveway doing it your self. This much I know as fact, your Dodge automatic transmission will not last as long if your don't use the correct Mopar fluid!
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Old 01-05-2006, 04:54 PM
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Default RE: BRAKE FLUID TO STOP TRANNY SLIP???

The Mopar tranny fluid is pretty amazing, however, I have had great success (almost 300,000 miles worth) using the Dexron III/Mercon. It is actually a direct replacement, but the Mopar fluid is still much, much better...

Also, whoever told you that band adjustment will not affect your shifting is just wrong. If you don't believe me, open up your tranny and loosen the bands a couple turns. It may shift, but it will be rough and inconsistant and not have any power.

Hopefully you took the time to adjust everything when you replaced the filter, that is the most convenient time to do it, as one band is located on the valve body and the pan must be removed to access it. I don't have my manual with me, but I am fairly certain that the low/reverse band (the one hidden behind the pan) is to be tighted to 72"/lbs then backed off 2 rotations. The high band, which can be found on the drivers side of the tranny, is to be tightened to 72"/lbs and backed off 2 & 7/8 turns (23/8).
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Old 01-05-2006, 08:46 PM
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Default RE: BRAKE FLUID TO STOP TRANNY SLIP???


Quote:
ORIGINAL: livinginh

Ok, first let me say the adding brake fluid myth (notice I say Myth) has been around for years. Yes it will get you by, but is only a temp fix.

Have you ever hear of using brake fluid to loosen rusty bolts? Do you know it will eat the paint right off the side of your truck? Ok, with that said, do you know what it does inside your tranny? It will clean all the varnish that has built up on your clutch disks, and make the material swell,(so gives you the effect of it not slipping). Then what happens is it will come apart completely and leave you sitting high and dry, this will be either right before or right after it has eaten away your seals and let you fluid run out on the ground.

So with all that in mind, do you really want to try it? The safest fix I have ever used is a product called transX, yes it is safe, and have used it from time to time over the years, but again it is only a temp fix. As said about, if it is slipping the only way to go is either adjustment or rebuild. Good luck.
i second that. I think that sounds like the stupidist thing you could do. just get it fixed the right way.
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Old 01-06-2006, 02:26 PM
m_ross05 m_ross05 is offline
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Default RE: BRAKE FLUID TO STOP TRANNY SLIP???

people put brake fluid in their trannys around here sometimes..but it is just to temporarily fix it so they stiff someone who is buying it or a dealership they are trading it too
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Old 01-07-2006, 08:47 PM
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Default RE: BRAKE FLUID TO STOP TRANNY SLIP???

If you look up the spec. on band adj. and set it to the heavyduty spec, which is only al little bit more, you can sometimes get a little harder shift. But to much and it will drag on the drum and wear it out.
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Old 01-07-2006, 08:47 PM
 
 
 
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