Iruka Posted February 10, 2020 Report Share Posted February 10, 2020 Greetings all, I have a steady oil leak on my J Type overdrive rear casing. It appears to be coming out of the threaded hole above the solenoid. Looking at various photographs and exploded diagrams I can't find any reference to this hole or its purpose. There is an identical hole symmetrically opposite which is dry. I presume they should be blind holes? The oil is topped up to the correct level in the gearbox is correct. It leaks even after a week of being parked, so appears not to be just an issue with pressure etc. I assume they are there for the mounting of a support bracket if required for other vehicles. Can anyone advise on their purpose and what thread they are. If the casting has become porous I hope to cure the leak with a bolt and a copper washer/dowty seal. Thanks. Steve Quote Link to post Share on other sites
Nobbyc Posted February 11, 2020 Report Share Posted February 11, 2020 Correct used for 3/8 unc studs for mounting bracket. should be blind holes and easy to plug Quote Link to post Share on other sites
Iruka Posted February 11, 2020 Author Report Share Posted February 11, 2020 Thanks Nobby. Quote Link to post Share on other sites
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