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Crawlers, Dozers, Loaders & Backhoes Discussion Forum

Re: D3B Oil Leak

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Author  [Modern View]

05-25-2012 23:54:57

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If it's leaking from the throttle shaft, Bob/Ont told me the best fix. Take the cover off carefully so nothing pops out of place (it shouldn't) and put two new seals in instead of one. That's what I did on my 931B that was leaking because the seal got hard. I put a couple drops of oil in between the two seals just to provide a little lubrication for the outside seal. It's possible all the oil is coming from the throttle shaft.

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G B Johnson

05-27-2012 08:09:26

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 Re: D3B Oil Leak in reply to D3B, 05-25-2012 23:54:57  
Thanks, I will get another seal. I assume that the plate is thick enough to hold two seals.
I hope that is where all of the oil is comming from. I have lost contact with Bob/Ont. Is he still active on the forum?
I had another posting on a water leak. Do you have any advice on fixing the water leak between the timing gear cover and the head?


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05-27-2012 08:47:27

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 Re: D3B Oil Leak in reply to G B Johnson, 05-27-2012 08:09:26  
Bob responded to you above in another post. Yes, the cover will hold two seals. You have to get the seal from Cat and if I remember they're about $9 each. Bob is the best one to talk to though. The place that rebuilt my engine told me I need to have the injection pump rebuilt because of the oil leak on the throttle shaft. Good thing I asked and Bob responded. He's been a great help with my Cat.

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