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Old 06-15-2009, 05:40 PM
hvphotog's Avatar
hvphotog hvphotog is offline
LawnSite Senior Member
Join Date: Feb 2009
Location: ORange & Sullivan County NY
Posts: 325
Oil leak

I have a 52" Exmark with what appears to be an oil leak coming from some type of sensor on top of the engine just under the air filter plate. It is a plastic sensor with a wire attached to it but has a aluminum ring around the plastic which i imagine screws down to keep the sensor in place.. hard to tell if the oil is coming from the bottom of the sensor though... any one know what this sensor is for?
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Old 06-15-2009, 07:46 PM
ricky86 ricky86 is offline
LawnSite Bronze Member
Join Date: Aug 2008
Location: Monmouth Cty N.J.
Posts: 1,602
If it's a Kohler engine (dont give so much info next time), that MIGHT be the oil pressure switch. They have had a small issue with the vendor (if it's a fairly new engine).Other wise just replace it. Very inexpensive. Just don't over tighten it. It's a tapered thread.
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