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Old 06-21-2005, 10:30 AM
jimmyc jimmyc is offline
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Toro riding lawn mower: oil in air filter

Was out mowing on Friday and the tractor started to die on I shut it down to check things out. The oil was low but not empty...although it was full 2 weeks ago. I did find some oil in the air filter case, which doesn't seem good. When I turn the key now, it just clunks. Thoughts?
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Old 06-21-2005, 04:01 PM
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As far as the oil being in the air filter goes,thats your PVC (pip-it) valve inside the breather cover not working right.Now weather its bad or not,it's herd to say.A number of things could cause this.Lose head bolts-blown head gasket,Leaking oil seal.a hole in oil filler tube.Anything that puts more air into the crankcase.even bad rings sometimes.

And as for the clunks goes,is that when the engine turns over or just clicks from the solenoid,but the engine is not turning over any longer??
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Old 06-21-2005, 04:10 PM
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right about the breather......but it clunks? does it turn over and clunk and doesn't start?, or it just clunks around but still starts and runs good?
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Old 06-23-2005, 01:24 PM
jimmyc jimmyc is offline
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It does not turn over at all. It just makes a clunking sound. But I tried it only with the air filter in. I haven't yet tried it with the oil soaked air filter out, will do so.
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Old 06-23-2005, 11:10 PM
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oo, just clunks, well if that doesn't do anything, its getting gas..... and gas down the throat won't do anything, hope it didn't throw a rod or something.
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Old 06-24-2005, 07:33 PM
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scrench scrench is offline
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sounds like the cylinder might be filling up with fuel or might be a valve setting or could have locked up what model is the engine ? could be a few things causing it.. pull the dipstick and smell it does it smell like gas ? can you turn the engine over by hand might try turning the pully from the bottom or by hand on top ? might be locked up bug man might be onto something
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Old 06-25-2005, 10:02 AM
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I also agree on the PCV breather assembly. I've fixed many mowers that people have given up on by putting a new breather on.
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