NAA oil leak at filter

petertay

Member
Our NAA has the Adapter Kit for spin-on oil filter. Been in place for years, we assume. It is now leaking oil from behind the plate. It appears that all we need to do is back off the nut to pull the plate off and inspect the gasket.
MY QUESTION: If the gasket is not torn, what might be wrong? Could the plate get out of shape?
Thanks for your thoughts before I pull it apart. -Peter
 
(quoted from post at 12:23:05 02/19/18) Our NAA has the Adapter Kit for spin-on oil filter. Been in place for years, we assume. It is now leaking oil from behind the plate. It appears that all we need to do is back off the nut to pull the plate off and inspect the gasket.
MY QUESTION: If the gasket is not torn, what might be wrong? Could the plate get out of shape?
Thanks for your thoughts before I pull it apart. -Peter
Check the gasket, inspect plate & if all else fails, put it back the way Ford made it originally.
 
Most of the conversion kits for the 134/172 engines used a stamped plate versus the cast plate on the '65 up engines. They are very sensitive to being over tightened which bends the plate. Make sure the plate if flat on the mounting surface, and install a NEW gasket with a light coating of Permatex No.1 sealant on both sides (I prefer Permatex Aviation Form-a-Gasket but it is more expensive, and the container is larger so it would probably get old before being used in a single user situation).
 
Thank you. We removed the filter and screwed out the adapter nut. The plate will not pop out. We are putting a big screwdriver in the hole and levering. Is there a trick to this?
 
With tapping, the plate came off. Cleaned everything up and used Permatex on all surfaces. Still leaks, so we'll put a new kit in. Thanks for the help. --Peter
 
If you pried on the center you have probably bent the surface that the filter gasket seals against. Time for a new kit.
 

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