To 20 oil leak at distributor

bjhstetson · Nov 30, 2019

I was given a TO20 By my wifes uncle, serial # is 103430, I believe that is a 1948 model. OIl is leaking at distrbutor when engine is running, I pulled valve cover to check vent tube, carb cleaner ran throught it fine. Any advice?

bjhstetson · Nov 30, 2019

(reply to post at 11:54:03 11/30/19)

I can not tell if the vent tube is working. I can not feel in air from the tube

MSM · Nov 30, 2019

Engine oil over full or diluted with
gasoline?

old · Nov 30, 2019

I cannot say for sure on that one but many distributors have an o-ring on them so as to seal oil form leaking and if it is bad it will cause that.

Or s also said if you do not shut the gas off when parked the oil could be over full with a mix of gas and oil and that is bad news if you run it for long as in blown engine

bjhstetson · Nov 30, 2019

(reply to post at 12:07:21 11/30/19)

the oil level is good, does not seem to have gas in it, the tractor has been sitting for several years.

old · Nov 30, 2019

In that case good chance the o-ring or gasket is bad and needs to be replace or live with it. To replace you have to pull the distributor so you have to be sure it is at TDC on #1 or at least make sure you get it back in so the rotor points to the same place on the distributor

jimtrs · Dec 1, 2019

(quoted from post at 14:54:03 11/30/19) I was given a TO20 By my wifes uncle, serial # is 103430, I believe that is a 1948 model. OIl is leaking at distrbutor when engine is running, I pulled valve cover to check vent tube, carb cleaner ran throught it fine. Any advice?

If the oil is coming out where the distributor timing clamp is located, it's probably as Old said - bad O-Ring there. If leaking through the body of the distributor, the casting may be cracked. Ferguson maintenance spec on these tractors was to fill the distributor body with oil. Most other manufactures specify to use grease.

I can not tell if the vent tube is working. I can not feel in air from the tube

The vent tube vents the cranckase to atomosphere. You shouldn't "feel" air from the vent tube unless you have a ton of blowby.

bjhstetson · Dec 5, 2019

(reply to post at 10:47:48 12/01/19)

Thanks for your advice,

How do I stop the oil filter plate on the pan from leaking oil after I changed the oil?

Thanks in advance for your knowledge

jimtrs · Dec 5, 2019

Thanks for your advice,

How do I stop the oil filter plate on the pan from leaking oil after I changed the oil?

Thanks in advance for your knowledge[/quote]

If it's leaking around the large cover, sounds like you need a new gasket there. This may be what you need:
https://www.yesterdaystractors.com/...MIv4yjxoWf5gIVRF8NCh1tBQI2EAQYASABEgKcFvD_BwE

If it's leaking at the bolt that holds the cover on, you need a new gasket there. Take the bolt to your hardware store and find a gasket (copper, fiber, nylon, etc) that fits.

bjhstetson · Dec 14, 2019

(reply to post at 10:53:16 12/05/19)

Turned out that they gave me a filter that was a bit long, Got the right filter from Tractor supply. Used a good amount of gasket sealer since I can not get seal local. will have to be ordered, Solved problem. Thanks for the help.

To 20 oil leak at distributor

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