gas caps in rain

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Dan W.
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gas caps in rain

Postby Dan W. » Sun Apr 19, 2015 6:05 am

Of necessity, I must park my Cub outside (in the rain) for several weeks. It has the new-type Navistar replacement gas cap with two holes in the top. Will rain infiltrate down those holes into the tank or should I tape over them? Many thanks for all replies.

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ricky racer
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Re: gas caps in rain

Postby ricky racer » Sun Apr 19, 2015 8:47 am

I could only guess, but that's not what you want. A baggie and a rubber band will eliminate any issues if your not sure.
Last edited by ricky racer on Sun Apr 19, 2015 12:31 pm, edited 2 times in total.
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Mike in Louisiana
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Re: gas caps in rain

Postby Mike in Louisiana » Sun Apr 19, 2015 9:24 am

You might also want to put a 5 gal bucket over the shifter.
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Super A
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Re: gas caps in rain

Postby Super A » Sun Apr 19, 2015 9:37 am

I would worry more about water getting in the transmission through the gear shift lever than into the gas tank through the cap. They didn't cover the caps when they sat on the dealer's lot when new, and the size of the opening in the new cap is basically the same as the old one.

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Re: gas caps in rain

Postby knucklebuster » Sun Apr 19, 2015 10:31 am

Water will get in through the gas cap. I have a farmall H with a new gas cap that sat outside for a while. It always had a considerable amount of water that I had to clean out of the fuel system. When I started wrapping a plastic bag around the gas cap (when parked), the water intrusion stopped. Thankfully, I have a shop to park it in now.

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Re: gas caps in rain

Postby Chris in PA » Sun Apr 19, 2015 3:05 pm

Best bet is to just cover the whole tractor with a tarp if possible. If not, and you have the vertical exhaust, you should consider covering the exhaust pipe/muffler as well.

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Re: gas caps in rain

Postby Ben B » Sun Apr 19, 2015 4:35 pm

After some of my experiences with my Cub and rain, if I must leave it out in the rain, I will put a tarp over it from now on.

A couple of years ago I got water in the transmission and ruined my new transmission oil. :(
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