| [GMCnet] Major transmission leak......Need help! [message #303695] |
Sun, 17 July 2016 11:19  |
glwgmc
Messages: 1014
Registered: June 2004
Karma: 10
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Senior Member |
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Hi Ray,
Long shot, but do you have a Ragussa alum pan? I have had issues with those weaping oil which went everywhere making it hard to really pin point the source. My suggestion would be to clean everywhere under the coach with brake cleaner and rags to get everything around the transmission dry and clean. Then add dye to the trans oil and drive it around until you see the oil under there again. Use the black light specified by the dye maker to see if you can tell the source. I went through something not as severe but just as frustrating until I replaced the Ragussa alum pan with a new one JimK now carries. Issue solved for me at least. That said, I never found the trans four quarts low so if the dip stick is calibrated your oil is likely going somewhere other than out through a leak.
Jerry
Jerry Work
The Dovetail Joint
Fine furniture designed and hand crafted in the 1907 former Masonic Temple building in historic Kerby, OR
glwork@mac.com
http://jerrywork.com
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Ray Erspamer wrote on Sun, 17 July 2016 08:49
> Hi Everyone
> For several years I've been fighting a transmission oil leak. For the longest time I'd use a quart in 1000 miles. On our current trip we've
> traveled about 400 miles and I've used SIX QUARTS. Here is some data/history:
> 1. Years back I only had to check the fluid level during normal maintenance, not daily, then "something" changed.
> 2. In 2011 I changed final drives. That may have been that "something" but I'm not sure.
> 3. I've replaced my pan gasket, have O-Rings on every pan bolt, shift lever O-Ring, Vac modulator O-Ring, governor seal, fill tube O-Ring plus
> I've sealed it.
> 4. Leak appear to be around the fill tube/governor/final drive gasket area.
> 5. VENT TUBE is clear and not blowing out fluid. I have the tube going into an unsealed empty jar and it's always empty.
>
> Is there some minor thing I'm missing? Should I be thinking NEW TRANSMISSION or what?
>
> I'm at my wits end and frustrated beyond belief. The worst part is I've always has the ultimate confidence traveling in our GMC and I'm rapidly
> losing that.
>
> Your help is greatly appreciated. Thanks and have a great day.
>
> Ray & Lisa Erspamer
> 414-484-9431
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Jerry & Sharon Work
78 Royale
Kerby, OR
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| Re: [GMCnet] Major transmission leak......Need help! [message #308486 is a reply to message #303695] |
Mon, 10 October 2016 09:03  |
Ray Erspamer
Messages: 1707
Registered: May 2007
Location: Milwaukee Wisconsin
Karma: -3
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Senior Member |
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Well here's another update......GEEZ!
As in my last post things were going great.
For my first 3 trips I had a hoses on the vent and on the transmission dipstick fill tube. Both hoses went into a jar with a loose fit. Not one drop of transmission oil in the jar after those 3 trips.
Yesterday on my 225 mile trip back from the campground I decided to remove the tube from the dipstick tube and put the dipstick back in. Well, the dam thing burped out 1 quart of transmission fluid out of the dipstick tube on the way home.
I'm totally baffled. WHY would it burp out fluid when the dipstick is in, and not when the hose is connected. The dipstick has notches in the rubber at the top so it is well vented. Transmission rear vent is also clear. I don't get it, would someone just shoot me!
Ray
Ray Erspamer
78 GMC Royale Center Kitchen
403, 3.70 Final Drive
Holley Sniper Quadrajet EFI System,
Holley Hyperspark Ignition System
414-484-9431
[Updated on: Mon, 10 October 2016 09:14] Report message to a moderator |
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