brian-nz Posted April 20 Report Share Posted April 20 Hi Everyone My overdrive developed an oil leak and investigation revealed that it is coming from the plunger and o ring area. I have taken the plate off and there are 2 o rings behind the collar at the front of the plate. Another TR member advises that this plate is not correct as the o ring should sit in a cavity on the back of the plate. There is no cavity on my plate. He is sending me a spare plate he has. Can anyone throw any light on what I have and how the o rings seal. The cavity is deep enough to take 2 o rings so how does it form a good seal. Do I have a part missing. Regards Brian Quote Link to post Share on other sites
AJ2014 Posted April 21 Report Share Posted April 21 Hi Brian, Have a look on this webpage, there is lots of information on the Laycock Overdrive units for our TR’s. https://www.buckeyetriumphs.org/gearbox Regards Ade Quote Link to post Share on other sites
BlueTR3A-5EKT Posted April 21 Report Share Posted April 21 Agreed that is not a TR solenoid mounting plate. If it works without hitting the chassis stick with it. The o ring on the operating shaft I always thought was inside under that plate. Sandwiched between plate and casing. Is there a seal location in the main case? Quote Link to post Share on other sites
roy53 Posted April 21 Report Share Posted April 21 (edited) this topic came up in the last 6 months and one of us found a company producing better seals. I was one who benefitted from this but cannot remember the details, must be in the search somewhere. It was august 23 post .Title A TYPE OVERDRIVE. seals were found by TRier Roy Edited April 21 by roy53 ADD Quote Link to post Share on other sites
Lebro Posted April 21 Report Share Posted April 21 https://simplybearings.co.uk/shop/p33127/0.31x0.5x0.12-inch-Nitrile-Rubber-Rotary-Shaft-Oil-Seal-VC-Style/product_info.html Bob Quote Link to post Share on other sites
roy53 Posted April 22 Report Share Posted April 22 That's the ones Bob Quote Link to post Share on other sites
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