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Username Post: Powerglide leaking after setting awhile        (Topic#345379)
555657 
Senior Member
Posts: 248

Loc: Belmont, Ohio
Reg: 05-11-02
06-12-17 10:00 AM - Post#2695655    

My Powerglide starts leaking about a pint of transmission fluid after setting for a few weeks.
If I run the car often it does not leak. I think it is the converter filling up then draining after setting. The car sets for months at a time.
Any fixes for this problem other than run the car more often?



 

steve65 
2nd Year" Gold Supporting Member
Posts: 668
steve65
Age: 59
Loc: new westminster bc
Reg: 09-25-13
06-12-17 09:23 PM - Post#2695742    
    In response to 555657

Okay, nobody's said it yet so I will..."if a power glide is leaking it means there is still fluid in it".
But seriously, can you see where it's leaking from? The pan gasket, the fill tube(bad o-ring), the in/out lines or is it coming from the front pump seal?
What is the fluid level when it's warmed up, level ground, in park?
Knowing where it's coming from will help determine what's going on.
Steve65

Steve Duncan
65 Impala SS Convertible
Ermine White/ Black Top
357 4 spd auto

www.picturetrail.com/steved65


 
nstlga 
"12th Year" Silver Supporting Member
Posts: 879
nstlga
Loc: Colorado
Reg: 12-01-05
06-13-17 08:00 AM - Post#2695784    
    In response to steve65

No pan on these power glides. Common problem often discussed on here. I make it a point to drive my car at least once a month even in the winter when I catch a nice day. Have never had to deal with it. Some have suggested on here to run it a pint low and it won't do it either. My friend got tired of his doing it; he broke down and put in a turbo 350.

He who dies with the most toys doesn't necessarily win, but had more fun getting to the finish line.


 
555657 
Senior Member
Posts: 248

Loc: Belmont, Ohio
Reg: 05-11-02
06-13-17 08:12 AM - Post#2695789    
    In response to 555657

I have not looked to see were it was leaking from.
I just know I have a puddle on the floor before I start it up. I will look to see were it is coming from. The transmission was rebuilt when the car was restored, but that was 13 years ago. The car is seldom run. I have put 85 miles on the car in 13 years.



 
nstlga 
"12th Year" Silver Supporting Member
Posts: 879
nstlga
Loc: Colorado
Reg: 12-01-05
06-13-17 08:33 AM - Post#2695794    
    In response to 555657

I think your first observation is correct. Quite frankly, with the infrequent use on your car, I'm surprised you don't have other such issues as well. What exactly is your car?

He who dies with the most toys doesn't necessarily win, but had more fun getting to the finish line.


 
back2chevy 
Forum Newbie
Posts: 32
back2chevy
Loc: Burlington
Reg: 10-31-15
06-13-17 06:32 PM - Post#2695847    
    In response to nstlga

My powerglide was leaking like that and it was the shifter shaft seal.

63 Impala 283
92 VR-4


 
555657 
Senior Member
Posts: 248

Loc: Belmont, Ohio
Reg: 05-11-02
06-14-17 11:27 AM - Post#2695923    
    In response to 555657

1956 Chevy convertible



 
Rustchips 
"7th Year" Silver Supporting Member
Posts: 1025
Rustchips
Age: 80
Loc: DFW Texas
Reg: 02-24-05
06-15-17 10:14 AM - Post#2696022    
    In response to 555657

You need to put the top down and get out and drive it. Or loan it to me and I will drive it for you.
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.


 
Gene_Schneider 
Ultra Senior Member
Posts: 12027

Loc: Wisconsin..USA
Reg: 09-27-02
06-16-17 07:54 PM - Post#2696195    
    In response to Rustchips

Keep the fluid level as low as possible. At the add line when hot and below the add line when when cold.

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


 
john_johnson 
Contributor
Posts: 207

Age: 52
Loc: Chattanooga, TN
Reg: 08-31-07
07-06-17 08:55 AM - Post#2698949    
    In response to 555657

Is it a Cast Iron Powerglide? On this forum, 10 years ago, there was plenty of discussion of the 'Powerglide belch' up through the filler tube if they are left sitting for awhile. Mine does it too. The explanation (prolly can still find it in here somewheres) that I believed at the time was - that the torque converter, when sitting for a long period of time, gives up a pulse of Transmission Fluid and in the big pulse that happens some of it comes up the tube and ends up a puddle on the floor. That happens with mine, that's been sitting for 10 years as i SLOWLY restored it. I've been moving it around alot this year - - cuz Im almost done with it - and does not do this puddle anymore.

"That's all I have to say about that!"


 
555657 
Senior Member
Posts: 248

Loc: Belmont, Ohio
Reg: 05-11-02
07-06-17 10:23 AM - Post#2698955    
    In response to john_johnson

Yes, original cast iron Powerglide. It has belched up thru the tube in the past when you first start it. I am leaving the fluid low for now and starting it about once a month.



 

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