700r4 leaking from yoke while jacked up or on a hill - The 1947 - Present Chevrolet & GMC Truck Message Board Network

jklonowski · 06-05-2010, 06:23 AM

i jus had my engine pulled and while the tans was jacked up it leaked out a bunch of trans fluid. the guy told me that it was leaking out of the yoke. he also told me that it wouldn't be a problem to just plug the hole in th yoke to keep it from leaking. anyone had this problem.

SBTork · 06-05-2010, 10:27 AM

DO NOT PLUG THE HOLE!!!

Do this instead....http://73-87.com/7387garage/drivetrain/yokeleak.htm

StrokinRat · 06-05-2010, 10:01 PM

Thanks for the info. Mines a 400turbo but I've noticed when i have mine parked in the drive way ( whice is a pertty good hill) there would be trans fluid on the ground when i moved it. I'll check into the o'ring.

jklonowski · 06-06-2010, 02:45 PM

thanks a lot

joe1982 · 06-06-2010, 07:22 PM

[QUOTE=SBTork;4015407]DO NOT PLUG THE HOLE!!!

Do this instead....http://73-87.com/7387garage/drivetrain/yokeleak.htm[/

just out of curiousity, why not?

cableguy0 · 06-06-2010, 07:36 PM

Most trannies that have been rebuilt no longer have that sleeve. Millions of trannies dont have the hole in yoke at all. I vote tack weld the hole shut and call it a day.

clinebarger · 06-06-2010, 07:42 PM

Quote:

Originally Posted by StrokinRat

Thanks for the info. Mines a 400turbo but I've noticed when i have mine parked in the drive way ( whice is a pertty good hill) there would be trans fluid on the ground when i moved it. I'll check into the o'ring.

Is it a bolt-on yoke or a slip-yoke?

63chevyll · 06-06-2010, 07:51 PM

i plug the hole with Silicone, works everytime

clinebarger · 06-06-2010, 08:30 PM

Quote:

Originally Posted by cableguy0

Most trannies that have been rebuilt no longer have that sleeve. Millions of trannies dont have the hole in yoke at all. I vote tack weld the hole shut and call it a day.

X2. Its few & far between I see a 700R4 with the sleeve intact.

chevymotocross · 06-06-2010, 11:01 PM

Plugged mine about 2 years ago. No problems since.

GMC Guy · 06-07-2010, 01:22 PM

what about a th350? mine does the same thing if i park in the driveway or leave it sitting for a while.

Slonaker · 06-07-2010, 06:13 PM

Quote:

Originally Posted by GMC Guy

what about a th350? mine does the same thing if i park in the driveway or leave it sitting for a while.

I did the repair on my TH350c. It worked fine. I don't know if that applies to your TH350 or not, though.

Before that, I had just sprayed the hole with brake cleaner to clean it up and dabbed some RTV on it with the tip of a screwdriver. That worked, but it had to be replaced once a year or so.

I eventually had to buy a new yoke from a drivetrain shop. They sold me one with no hole, and said they weld up EVERY one they work on.

Slonaker

cableguy0 · 06-07-2010, 06:28 PM

Its the same setup in a th350. Just plug the hole. A lot of yokes didnt even have the hole in the first place.

SBTork · 06-07-2010, 06:35 PM

[quote=joe1982;4017633]

Quote:

Originally Posted by SBTork

DO NOT PLUG THE HOLE!!!

Do this instead....http://73-87.com/7387garage/drivetrain/yokeleak.htm[/

just out of curiousity, why not?

I could have sworn that I remember reading somewhere that the hold is needed for something but I cannot remember what. Obviously it is not needed for anything according to others, it would be cheaper and just as effective to just weld it up, so go for it.

06-05-2010, 06:23 AM	#1
jklonowski Registered User Join Date: Feb 2009 Location: franklin kentucky Posts: 70	700r4 leaking from yoke while jacked up or on a hill i jus had my engine pulled and while the tans was jacked up it leaked out a bunch of trans fluid. the guy told me that it was leaking out of the yoke. he also told me that it wouldn't be a problem to just plug the hole in th yoke to keep it from leaking. anyone had this problem.

06-05-2010, 10:27 AM	#2
SBTork Garage wrench Join Date: Feb 2008 Location: LaCrosse, WI Posts: 1,855	Re: 700r4 leaking from yoke while jacked up or on a hill DO NOT PLUG THE HOLE!!! Do this instead....http://73-87.com/7387garage/drivetrain/yokeleak.htm __________________ -Adam 90 V1500 GMC Suburban 350/700R4/NP241..... 01 Saturn SL1 stock DD.....

06-05-2010, 10:01 PM	#3
StrokinRat Registered User Join Date: Jun 2009 Location: Clinton,MS Posts: 234	Re: 700r4 leaking from yoke while jacked up or on a hill Thanks for the info. Mines a 400turbo but I've noticed when i have mine parked in the drive way ( whice is a pertty good hill) there would be trans fluid on the ground when i moved it. I'll check into the o'ring. __________________ 85 Chevy C-10 383 stroker

06-06-2010, 02:45 PM	#4
jklonowski Registered User Join Date: Feb 2009 Location: franklin kentucky Posts: 70	Re: 700r4 leaking from yoke while jacked up or on a hill thanks a lot

06-06-2010, 07:22 PM	#5
joe1982 .. !WAR FEDOR! .. Join Date: Mar 2009 Location: Oceanside Ca Posts: 546	Re: 700r4 leaking from yoke while jacked up or on a hill [QUOTE=SBTork;4015407]DO NOT PLUG THE HOLE!!! Do this instead....http://73-87.com/7387garage/drivetrain/yokeleak.htm[/ just out of curiousity, why not? __________________ "san diego chargers #1"

06-06-2010, 07:36 PM	#6
cableguy0 Senior Member Join Date: Apr 2000 Location: Delta,Pa Posts: 14,950	Re: 700r4 leaking from yoke while jacked up or on a hill Most trannies that have been rebuilt no longer have that sleeve. Millions of trannies dont have the hole in yoke at all. I vote tack weld the hole shut and call it a day. __________________ Owner of North Point Car Care in Dundalk Md. We specialize in custom exhaust on both modern and classic vehicles. We are a full service auto shop from classics to modern vehicles. Feel free to contact me with questions. I will give a 10% discount to any board member.

06-06-2010, 07:51 PM	#8
63chevyll gets board easy....... Join Date: Mar 2009 Location: Colorado Springs Posts: 717	Re: 700r4 leaking from yoke while jacked up or on a hill i plug the hole with Silicone, works everytime

06-06-2010, 11:01 PM	#10
chevymotocross Registered User Join Date: May 2007 Location: East Haven, CT Posts: 882	Re: 700r4 leaking from yoke while jacked up or on a hill Plugged mine about 2 years ago. No problems since. __________________ 87 Chevy 2wd SWB: 305/700r4 Dual Exhaust, K&N Filter, Injector Pod Spacer, TBI Spacer, Belltech Front Sway Bar, Corvette Servo, Western Chassis 4/6 and c-notch

06-07-2010, 01:22 PM	#11
GMC Guy Registered User Join Date: May 2009 Location: Sparks, NV Posts: 913	Re: 700r4 leaking from yoke while jacked up or on a hill what about a th350? mine does the same thing if i park in the driveway or leave it sitting for a while. __________________ Greg 1974 GMC 1/2 Ton SWB Fleetside L33 5.3/4l65e .................__ ............._____l __\__ ..............l_(O)_ l___(O)]

06-07-2010, 06:28 PM	#13
cableguy0 Senior Member Join Date: Apr 2000 Location: Delta,Pa Posts: 14,950	Re: 700r4 leaking from yoke while jacked up or on a hill Its the same setup in a th350. Just plug the hole. A lot of yokes didnt even have the hole in the first place. __________________ Owner of North Point Car Care in Dundalk Md. We specialize in custom exhaust on both modern and classic vehicles. We are a full service auto shop from classics to modern vehicles. Feel free to contact me with questions. I will give a 10% discount to any board member.



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