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73-87 Chevy _ GMC Trucks => 4 Wheel Drives => Transfer Cases and Front Drivelines => Topic started by: 84Silverado4x4 on October 23, 2017, 10:11:21 PM
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I have had an issue with my Np208 T case leaking for a while and have replaced the tcase all together with another and still have a leak issue. I have an 84 shortbox with 6" lift. I have dropped the Tcase slightly to compensate for the lift to help driveline angle and it like to leak at the seal drive shaft slip yoke seal. Is the lift and angle of the transfer case just going to make it virtually impossible to seal or is there a fix? I have had two different 208 cases with new seals in the truck and a few different drive shafts and it likes to keep leaking.
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Make sure the vent is clear
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I had the same problem with my NP208 and used Lucas trans sealer and it actually worked.
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is it the seal or the weep hole in the yoke?
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is it the seal or the weep hole in the yoke?
It's only wet from the seal back but I wasn't aware of a weep hole. I am using a shaft with a double cardan joint since the angle is pretty steep. I had a driveline noise with a regular u joint and this took care of it. It leaks pretty good and coats the underside of the cab and leaves a mess where I park. doesn't seem to be an issue if I wipe everything up with a rag it stays dry until I drive it again.