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Massey Harris & Massey Ferguson Tractors Discussion Forum

Fuel leak

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Red Rex

07-29-2020 16:53:11

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MF135 diesel. I am leaking fuel out of the injector pump where the housing that holds the fuel inlet line and line to the number 3 injector leaves the pump.

Can this be repaired without removing the injector pump?

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07-30-2020 17:51:18

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 Re: Fuel leak in reply to Red Rex, 07-29-2020 16:53:11  
If the washers won't fix the leak then it's the o ring, that's been my experience. That o ring leak will make look just like the washers are leaking.

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07-29-2020 18:58:35

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 Re: Fuel leak in reply to Red Rex, 07-29-2020 16:53:11  
Quoting Removed, click Modern View to see

I have been seeing more of the head to housing O rings starting to leak, still not bad considering these pumps are over 40+ years old!

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07-29-2020 17:57:26

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 Re: Fuel leak in reply to Red Rex, 07-29-2020 16:53:11  
Might try two new banjo washers, 5936 332C. Leak might also be the head to housing O ring, those start leaking over time too. If the banjo washers don't stop the leak it's best in the long run to remove the pump for a complete re-seal repair.

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Red Rex

07-30-2020 11:02:35

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 Re: Fuel leak in reply to Dieseltech, 07-29-2020 17:57:26  
Thanks, gentlemen for the replies. I will order the banjo washers and try that first.

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