gas in the crank case

travisyoung · « **on:** April 01, 2011, 08:14:35 PM »

I has gas in my oil, filled the engine up. rebuilt the card and replaced the fuel pump, thouht it was coming from the fuel pump because the bottom of the pump was wet, started it up, forgot about it and went back a week later and the engine was full of gas again( i had changed the oil also), the left rear tire goes flat overnight so it had sat like that, but i did not think this would make a difference, just wondering if anyone had any tips to check what is leaking

attack chicken · « **Reply #1 on:** April 01, 2011, 11:35:42 PM »

Make sure the gas tank is vented. If the tank is not vented, on a warm day there will be enough pressure in the fuel system to overpower the valve in the carb and fill the crankcase by dripping gas into the intake and around the rings.

Roadkill · « **Reply #2 on:** April 02, 2011, 12:10:17 AM »

sounds like what mine did. See a past post of my beetle dyeing. I towed to R&M and Rick worked his magic and it ran fine and no other problems like this.

Zen · « **Reply #3 on:** April 02, 2011, 09:15:27 AM »

Just because you bought a new fuel pump, don't assume it's good. The last time I needed one I bought 3 new ones before I got a good one. The first one was bad right out of the box (pumped, but leaked gas in the crankcase). I took it back and got a replacement and about a week later the piviot pin fell out of it. The third one finally worked. Quality Control, espcially in South America and the Far East, isn't what it should be.

Ret.Bugtech · « **Reply #4 on:** April 02, 2011, 09:50:49 AM »

Quote from: Zen on April 02, 2011, 09:15:27 AM

Just because you bought a new fuel pump, don't assume it's good. The last time I needed one I bought 3 new ones before I got a good one. The first one was bad right out of the box (pumped, but leaked gas in the crankcase). I took it back and got a replacement and about a week later the piviot pin fell out of it. The third one finally worked. Quality Control, espcially in South America and the Far East, isn't what it should be.

Zen you beat me to the pump thing . I have seen a lot of the NEW neetle and seat in carb kits bad. Most of the time I use the original over if its intact.

certdubtech · « **Reply #5 on:** April 02, 2011, 10:38:05 AM »

Quote from: Ret.Bugtech on April 02, 2011, 09:50:49 AM

Quote from: Zen on April 02, 2011, 09:15:27 AM
Just because you bought a new fuel pump, don't assume it's good. The last time I needed one I bought 3 new ones before I got a good one. The first one was bad right out of the box (pumped, but leaked gas in the crankcase). I took it back and got a replacement and about a week later the piviot pin fell out of it. The third one finally worked. Quality Control, espcially in South America and the Far East, isn't what it should be.
Zen you beat me to the pump thing . I have seen a lot of the NEW neetle and seat in carb kits bad. Most of the time I use the original over if its intact.

I almost always re-use the original valve for the same reason.

volksnick · « **Reply #6 on:** April 02, 2011, 07:39:40 PM »

Quote from: certdubtech on April 02, 2011, 10:38:05 AM

I almost always re-use the original valve for the same reason.

Last time I tried to reuse valves, I caught a lot of flak....

certdubtech · « **Reply #7 on:** April 03, 2011, 12:03:30 PM »

Quote from: Bignick on April 02, 2011, 07:39:40 PM

Quote from: certdubtech on April 02, 2011, 10:38:05 AM
I almost always re-use the original valve for the same reason.

Last time I tried to reuse valves, I caught a lot of flak....

TOTALLY different kinda valves. And, no... you can't interchange them.

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Topic: gas in the crank case (Read 4175 times)

travisyoung

gas in the crank case

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Zen

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Ret.Bugtech

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certdubtech

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volksnick

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certdubtech

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