The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - Can a transmission leak through the yoke and U-joints?

old Chevy guy · 10-17-2014, 05:29 PM

hhmmm, I'm no expert but I think that hole is there so air can vent in and out as the yoke travels in and out as the truck goes up and down. Id research it a bit deeper before I'd weld up the hole. Better to weld it later than try and drill it out again.

10-17-2014, 05:29 PM	#5
old Chevy guy Registered User Join Date: Apr 2007 Location: Foster Rhode Island Posts: 1,176	Re: Can a transmission leak through the yoke and U-joints? hhmmm, I'm no expert but I think that hole is there so air can vent in and out as the yoke travels in and out as the truck goes up and down. Id research it a bit deeper before I'd weld up the hole. Better to weld it later than try and drill it out again.