C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

transmission fluid leak

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Old Mar 14, 2003 | 09:23 PM
  #1  
lfmn16's Avatar
lfmn16
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From: laurel md
Default transmission fluid leak

(86 stock vette, automatic transmission with 145,000 miles) I have a small transmission fluid leak - approximately three tablespoons of fluid on the garage floor when it sat in the garage for three weeks strait thanks to the %*&$$ snow in DC.

I took it into my mechanic who couldn't find where the leak was coming from. He suggested steam cleaning the under-carriage, driving it for a few weeks and then checking again.

It shifts fine and I haven't head any noises.

Question - should I wait until it gets worse, or should I aggressively look for the problem?

Thanks for your help.
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Old Mar 14, 2003 | 10:14 PM
  #2  
CentralCoaster's Avatar
CentralCoaster
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Joined: May 2002
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From: San Diego , CA Double Yellow DirtBags 1985..Z51..6-speed
Default Re: transmission fluid leak (lfmn16)

Keep an eye on your fluid level. That sounds like a relatively big leak. If I were you, I'd get the underside cleaned up. It sounds like its been leaking for awhile and has gunked up the underside, which means you might be low on fluid. Last I checked, the ATF level should be checked immidiately after driving the car (unlike motor oil).

The leak shouldn't cause any problems except for burning on the exhaust and staining your driveway. But fixing it may be as simple as resealing a fitting or the pan.. small price to pay to save you a hassle.
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Old Mar 14, 2003 | 10:21 PM
  #3  
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Iroc
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Default Re: transmission fluid leak (CentralCoaster)

Did you check the torque on the pan bolts? Mine got loose a while ago, re-torqued them and its been fine since. Dunno why it happened though.
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Old Mar 15, 2003 | 06:03 AM
  #4  
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beachcat
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Joined: Aug 2002
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From: Shindand AB
Default Re: transmission fluid leak (lfmn16)

I think I have had that small leak for over 3 years. Even had the gasket changed. I just put kitty litter down and keep checking the level of the fluid.
The steam cleaning idea sounds good.
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