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Ecklers AutoMotive
Username Post: Surprise Transmission Fluid Puddle        (Topic#355114)
blue56 
"16th Year" Silver Supporting Member
Posts: 397
blue56
Loc: LaGrange, KY
Reg: 05-24-03
02-05-19 07:59 AM - Post#2759074    

Sunday morning I was greeted by a surprise puddle of transmission fluid under the 56. It was on the passenger side, just behind the tire. The car has not moved or been started since mid-December. We had a cold spell, but I don't remember seeing the thermometer in the garage go below 40Fs. The leak seems to have stopped now.

I got underneath with a light and the only droplet I could see was at the bottom of the transmission fill tube.

In the 14 years I've had this car, this is the first time I've seen this. Is this a somewhat normal thing or is it something I should be concerned about and look toward fixing?

Attachment: Transmission_Leak.jpg (79.67 KB) 6 View(s)


Transmission Leak 2/3/2019


You can't drink all day...

...if you don't start in the morning.


 
Ecklers AutoMotive
Travs55 
"3rd Year" Silver Supporting Member
Posts: 130
Travs55
Loc: Houston, Texas
Reg: 03-11-05
02-05-19 08:40 AM - Post#2759085    
    In response to blue56

My ‘55 Powerglide does the same thing if I don’t start it for several days



 
Jalapeno 
Senior Member
Posts: 9766
Jalapeno
Loc: The Republic of Texas
Reg: 04-30-00
02-06-19 08:36 PM - Post#2759254    
    In response to blue56

After it sits a couple weeks, if you crank it up, move it a little, then shut it off, the fluid will come burping up that fill tube.

Jalapeno


 
Lee T 
Contributor
Posts: 179

Reg: 07-05-12
02-07-19 02:59 AM - Post#2759267    
    In response to blue56

If you are not working it hard, you can run it a little low on fluid to prevent that happening.



 
blue56 
"16th Year" Silver Supporting Member
Posts: 397
blue56
Loc: LaGrange, KY
Reg: 05-24-03
02-07-19 07:07 AM - Post#2759276    
    In response to Lee T

Thanks for the replies. I'm glad it doesn't sound like anything major.

You can't drink all day...

...if you don't start in the morning.


 
george88gta 
"15th Year" Silver Supporting Member
Posts: 1923
george88gta
Loc: new york
Reg: 04-23-03
02-07-19 11:05 AM - Post#2759301    
    In response to blue56

You may want to try this. "Burping" is common, this kit is supposed to fix the problem.

https://www.classicchevy.com/chevy-in-line-one-way ...



 
Todd M 
"17th Year" Silver Supporting Member
Posts: 780
Todd M
Loc: PA
Reg: 08-21-03
02-07-19 04:42 PM - Post#2759332    
    In response to george88gta

Mine has been burping for years with that valve installed.

1957 2-dr BA HT currently 283 PP http://www.picturetrail.com/tbmax57


 
george88gta 
"15th Year" Silver Supporting Member
Posts: 1923
george88gta
Loc: new york
Reg: 04-23-03
02-08-19 01:01 PM - Post#2759401    
    In response to Todd M

  • Todd M Said:
Mine has been burping for years with that valve installed.


Interesting, yet another "fix" that doesn't work. Back in the '60s, I had a 55 convertible and then a 57 hardtop. Both powerglides and no strange leaks. Guess I was lucky.



 
Rustchips 
"8th Year" Silver Supporting Member
Posts: 1158
Rustchips
Loc: DFW Texas
Reg: 02-24-05
02-08-19 07:41 PM - Post#2759441    
    In response to blue56

If you drive them daily, or at least once a week you should not have that problem. My 55 sits way to long between drives and it burps fluid.
Cleon

1928 Chevy Coupe
1942 Chevy Special Deluxe Coupe
1955 Chevy Bel Air HTP
1970 El Camino
1990 F##d Mustang Convertible

Life is like a roll of toilet paper the nearer the end the faster it goes.


 
george88gta 
"15th Year" Silver Supporting Member
Posts: 1923
george88gta
Loc: new york
Reg: 04-23-03
02-10-19 04:40 AM - Post#2759526    
    In response to Rustchips

  • Rustchips Said:
If you drive them daily, or at least once a week you should not have that problem. My 55 sits way to long between drives and it burps fluid.
Cleon



Yes, both daily drivers. If we only knew then what we know now!




 
Gene_Schneider 
Ultra Senior Member
Posts: 12222

Loc: Wisconsin..USA
Reg: 09-27-02
02-10-19 03:36 PM - Post#2759570    
    In response to george88gta

If the engine was not started and the puddle appeared it is not burping. The fluid in the top half of he converter drains down and over fills the sump. Then the fluid leaks out around the kick-down lever seal because the fluid is way over full. Converter will refill when engine is running and takes about three minutes.

ChevGene 1934 Master sedan 1939 Master DeLuxe Town Sedan 1950 Styline DeLuxe Power Glide 1957 Nomad 283 PG 1963 Corvair Convertible


 
blue56 
"16th Year" Silver Supporting Member
Posts: 397
blue56
Loc: LaGrange, KY
Reg: 05-24-03
02-12-19 09:37 AM - Post#2759721    
    In response to Gene_Schneider

  • Gene_Schneider Said:
If the engine was not started and the puddle appeared it is not burping. The fluid in the top half of he converter drains down and over fills the sump. Then the fluid leaks out around the kick-down lever seal because the fluid is way over full. Converter will refill when engine is running and takes about three minutes.


Thanks Gene. After seeing a second, or continuing, puddle after wiping up the first one, this makes sense. I would think the burping would be a one time thing. I'll look closer for signs of the source and start the car to let it run for a while.

You can't drink all day...

...if you don't start in the morning.


 
Ecklers AutoMotive
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