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  #1  
Old 12-31-2006, 10:04 PM
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Location: Barrington, RI
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Transmission Leak Questions

I'm leaking transmission fluid. Haven't yet had it looked at, so I don't know the cause. In the meantime, I had a few basic questions:

1. Is there any great risk in just letting it go, topping off the fluid every few weeks? My driveway is so stained I've stopped caring!

2. Some folks recommend trying ATF with stop leak in it...is this advisable?

3. I suppose worst-case scenario is that I need to have the transmission resealed....$500 or so according to estimates I've seen. Assuming 185,000 miles on original transmission that otherwise is in great condition, is this throwing good money after bad (better simply to invest in a rebuild) or a reasonable expenditure?

Thanks!

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  #2  
Old 12-31-2006, 11:17 PM
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Location: SW WA
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Your estimates are about right. I had a 87 300D with the same issue. Topping off might work but all that leaky oil ends up all over the bottom of the car and on the exhaust system over time. Then you have to deal with the smell and probably smoke from burning oil. Stop leak does not work.
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  #3  
Old 01-01-2007, 10:46 AM
jaybro
 
Join Date: Feb 2000
Location: USA
Posts: 52
Quote:
Originally Posted by shertex View Post
I'm leaking transmission fluid. Haven't yet had it looked at, so I don't know the cause. In the meantime, I had a few basic questions:

1. Is there any great risk in just letting it go, topping off the fluid every few weeks? My driveway is so stained I've stopped caring!

2. Some folks recommend trying ATF with stop leak in it...is this advisable?

3. I suppose worst-case scenario is that I need to have the transmission resealed....$500 or so according to estimates I've seen. Assuming 185,000 miles on original transmission that otherwise is in great condition, is this throwing good money after bad (better simply to invest in a rebuild) or a reasonable expenditure?

Thanks!
Are we talking about a mercedes or an austin?????
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  #4  
Old 01-01-2007, 12:58 PM
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Join Date: Aug 2003
Location: Phoenix
Posts: 3,726
Throw in some stop leak - it very often works. Your downside risk, if any, on a transmission with 185k is insignificant.

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