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Curtis B.
Curtis B., Technician
Category: Small Engine
Satisfied Customers: 13581
Experience:  have worked on and around most engine models for 35 yrs./Polaris ATV expert
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Vanguard 18 hp oil in air box motor is under 100 hrs. Just

Customer Question

vanguard 18 hp oil in air box motor is under 100 hrs
JA: I'll do all I can to help. How long have you been dealing with this?
Customer: just today changed air cleaner still doing it
JA: Do you plan on doing the work yourself?
Customer: yes
JA: Anything else we should know to help you best?
Customer: just purchased previous owner called back today said no problems had 2 acre yard blew filter out every time never saw oil. they had put in new engine block because other engine blew so they used old heads and carb
JA: Can you guesstimate how old the engine is? And has it done anything like this in the past?
Customer: new engine has under 100 hrs.
Submitted: 10 months ago.
Category: Small Engine
Expert:  Vince O. replied 10 months ago.

Hello, have you checked to see if the oil is overfilled? If it is gas could have gotten into the oil

Customer: replied 10 months ago.
It was low added but not to the full msrk
Expert:  Vince O. replied 10 months ago.

Was the engine tilted or on its side? Does it smoke when running?

Customer: replied 10 months ago.
No tilt does not smoke until oil hits air cleaner and drips down onto echsust
Customer: replied 10 months ago.
Still there?
Expert:  Vince O. replied 10 months ago.

Do you have the engine model number?

Customer: replied 10 months ago.
Expert:  Vince O. replied 10 months ago.

Look on the OHV cover

Customer: replied 10 months ago.
Expert:  Vince O. replied 10 months ago.

A loose breather could cause that too

Customer: replied 10 months ago.
Will check that tomorrow
Expert:  Vince O. replied 10 months ago.

It is hard to tell without seeing it.If the breather is tight I'm not sure what to tell you next and will opt out.