never seen this leak - Pirate4x4.Com : 4x4 and Off-Road Forum

derail · 05-18-2006, 04:13 PM

i have an 88 blazer with 700r4/208. its been leaking tranny blood like crazy and it appears to be coming from the rear yoke. but its not leaking at the output seal on the slip, its almost like its coming out of the center of the yoke itself. everything from the u joint forward(towards the engine) is TOTALLY dry.has anyone ever had this. its like theres a hole in the slip yoke peice behind the u joint or something. its the stock driveline btw with a mild lift and 35's

lumpdog · 05-19-2006, 07:17 AM

There is a soft plug driven into the end of the yoke, and after time it starts leaking. Take it off, weld or braze it, then make sure you put some antisieze on the splines before you slide the yoke back in.

DUG · 05-19-2006, 08:42 AM

Not an uncommon leak.

I always use some RTV on the splines of a yoke to ball up and prevent this when I install them.

derail · 05-22-2006, 04:25 PM

thanks guys. knew it was sumthin stupid

05-18-2006, 04:13 PM	#1 (permalink)
derail Registered User Join Date: Sep 2003 Member # 22551 Location: modesto,ca Posts: 168	never seen this leak i have an 88 blazer with 700r4/208. its been leaking tranny blood like crazy and it appears to be coming from the rear yoke. but its not leaking at the output seal on the slip, its almost like its coming out of the center of the yoke itself. everything from the u joint forward(towards the engine) is TOTALLY dry.has anyone ever had this. its like theres a hole in the slip yoke peice behind the u joint or something. its the stock driveline btw with a mild lift and 35's __________________ welcome to the valley!front drivelines not required

05-19-2006, 08:42 AM	#3 (permalink)
DUG Registered User Join Date: May 2000 Member # 858 Location: Chicago Posts: 1,106	Not an uncommon leak. I always use some RTV on the splines of a yoke to ball up and prevent this when I install them. __________________ Be yourself, by yourself.

05-22-2006, 04:25 PM	#4 (permalink)
derail Registered User Join Date: Sep 2003 Member # 22551 Location: modesto,ca Posts: 168	thanks guys. knew it was sumthin stupid __________________ welcome to the valley!front drivelines not required

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05-19-2006, 07:17 AM	#2 (permalink)
lumpdog Rock God Join Date: Mar 2005 Member # 44659 Location: Mtn Home, Idaho Posts: 1,237	There is a soft plug driven into the end of the yoke, and after time it starts leaking. Take it off, weld or braze it, then make sure you put some antisieze on the splines before you slide the yoke back in.