Model #31AS6HEG799 MTD Snowthrower, Gas

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Question and Answers

Q:

when I throttle the engine i have oil come out of the breather tube. What would cause this? 31AS6HEG799 Mtd Snowthrower

A:

Thank you for choosing SearsPartsDirect.com. I will be more than happy to assist you. I can understand any frustration you may have experienced with regards to your unit. Let’s see what we can do for you.

The breather tube acts like a one way check valve. If it has failed to do it job then oil will consistently come out of that tube. I would recommend replacing the breather element. If you wish to look at the parts diagram the engine model number is LH318SA-156554. The breather element is key number 171 on the diagram. The breather element part number is 28424.

Hope this information has helped you. If you are not comfortable doing this repair you can click here to schedule a technician or call toll free 1-800-469-4663. Again, thank you for choosing SearsPartsDirect.com.

 

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JeffwallaceIII -
Sears Technician
January 05, 2015
Q:

Snowthrower no start - Suspect stale gas

A:

Thank you for choosing sears I would be happy to help you with your snowthrower. Upon researching model 31AS6HEG799; to cure the problem I recommend draining the rest of the old fuel and cleaning the main jet in the carburetor. You can use any carburetor cleaner from your local auto parts store.

 

I trust that this information will help you, thank you have a great day.

 

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Jeff Wallace Jr -
Sears Technician
December 16, 2014
Q:

price of 9 HP engine 31AS6HEG799 Mtd Snowthrower

A:

Thanks for using SearsPartsDirect.com and for being a valued member.

The entire engine is no longer offered, but there is a short block, which would be the base with the pistons. So everything that bolts onto the engine would need to be switched over. The engine model for this snow thrower is a Tecumseh LH318SA-156554. The short block for the engine is part number 756349A. 

It would be a big job to switch the engine out with a lot of disassembly and labor time. With the cost of the short block, and the time involved, it might be worth checking into a new snow thrower. I have linked the short block below for reference. Just click the blue link to be directed to the Sears page.

Short Block for Model LH318SA-156554

I hope this helps and thanks for using SearsPartsDirect.com. We appreciate your business. 

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Jeff Wallace Sr -
Sears Technician
October 07, 2014

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