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PST driveshaft Leaking ATF at the BACK OF THE SLIP YOKE

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Old 05-31-2013, 11:37 PM
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Default PST driveshaft Leaking ATF at the BACK OF THE SLIP YOKE

PST driveshaft is leaking ATF at the slip yoke, not the seal... the back of the slip yoke by the U joint.


Anyone ever seen anything like this before?
Old 06-01-2013, 01:16 AM
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Not unheard of, but not too common, either. Spray good brake cleaner(not Gunk, but something like CRC or Pyroil) on it real well, and apply something like Permatex Ultra Black rtv or even JB Weld to the area under the joint. That is nothing more than a pressed in plug there usually.

Also may want to check your trans fluid level... if it's too full you will get excessive fluid in the tailhousing where it doesn't need to be.
Old 06-01-2013, 08:20 AM
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Originally Posted by ssvert99
Not unheard of, but not too common, either. Spray good brake cleaner(not Gunk, but something like CRC or Pyroil) on it real well, and apply something like Permatex Ultra Black rtv or even JB Weld to the area under the joint. That is nothing more than a pressed in plug there usually.

Also may want to check your trans fluid level... if it's too full you will get excessive fluid in the tailhousing where it doesn't need to be.
I will try this today, on the positive side of things, the driveshaft doesn't spin when the wheels are stopped anymore
Old 06-01-2013, 08:14 PM
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I just had the same thing with my pst supplied th400 yoke. The entire plug was gone, not just broken. Found a metric freeze plug that fit and used a strong putty to seal it into the splines. No more leak.



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