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Massey Harris & Massey Ferguson Tractors Discussion Forum

165 oil leaks

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Author  [Modern View]

11-27-2019 10:58:51

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Bought MF165 with Perkins gas engine for $300 . seller said it had a rod knock. I thought good winter project Rebuild the engine . No oil pressure. Pulled pump. stripped splines on shaft driving pump . Ordered new shaft . replacement shaft did not fit , Ordered new gear to fit replacement shaft Reassembled oil pump, got oil pressure, also got oil leaks. Several of the 5/16" pan bolt treads have been stripped so cannot tighten rear of pan enough to stop leaks . I'm thinking pull pan and retread stripped holes to 3/8". Any comments . Ya , I know , Forget the winter projects!

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11-27-2019 13:42:36

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 Re: 165 oil leaks in reply to ufdaland, 11-27-2019 10:58:51  
There's an aluminum bridge that some of the pan bolts thread into. I'd drop the pan and repair the stripped holes in the aluminum bar with heli coil inserts. Also make sure the bar ends are sealed as needed.

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12-01-2019 11:10:50

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 Re: 165 oil leaks in reply to Dieseltech, 11-27-2019 13:42:36  
Where can I find more info on this aluminum Bridge?

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12-01-2019 12:22:18

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 Re: 165 oil leaks in reply to ufdaland, 12-01-2019 11:10:50  
The "aluminum bridge" is the piece I call that goes over the rear main cap, the rear seal lower plate has bolts that thread into the "bridge" horizontally. The rear oil pan bolts thread into the "bridge" vertically, and since it's aluminum the threads WILL strip out easily when pan bolts are too tight. Oil pan needs to come down, then the threads can be repaired with 5/16 X 24 fine thread Heli coil repair kit. To remove it completely the tractor needs split also to remove the clutch and flywheel, then the lower bolts at the rear seal plate.

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12-01-2019 13:29:37

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 Re: 165 oil leaks in reply to Dieseltech, 12-01-2019 12:22:18  
Appreciate the help!

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