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Engine on Husqvarna zero turn is frozen. It is four years…

Customer Question
Engine on Husqvarna zero...

Engine on Husqvarna zero turn is frozen.

Mechanic's Assistant: Can you guesstimate how old the engine is? And has it done anything like this in the past?

It is four years old, just out of extended warranty and I've never had this problem before. I just changed the drive belt, drove about 100' engaged the blade, the engine stalled and now won't start.

Mechanic's Assistant: Do you plan on doing the work yourself?

Trying.

Mechanic's Assistant: Anything else we should know to help you best?

The starter won't turn the crank. Ive taken the electric clutch back off and tried to turn the engine with a wrench. Do I need to pull the flywheel or remove the head? It's an overhead cam so that would really be a pain.

Submitted: 7 months ago.Category: Small Engine
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Answered in 20 minutes by:
11/26/2017
Technician: Curtis B., Technician replied 7 months ago
Curtis B.
Curtis B., Technician
Category: Small Engine
Satisfied Customers: 15,342
Experience: have worked on and around most engine models for 35 yrs./Polaris ATV expert
Verified

Welcome to JUST ANSWER small engines, let me try to help you !! I don't know it all, but maybe together we can get you a satisfactory answer!

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Technician: Curtis B., Technician replied 7 months ago

What is engine make and model? Have you removed spark plugs and checked to see if the engine will turn? Any damage to either spark plug, indicating internal cylinder damage?

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Customer reply replied 7 months ago
No damage to plugs. Engine will not turn
Technician: Curtis B., Technician replied 7 months ago

Was engine ran low on oil? Causing damage to the crankshaft and pistons?

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Customer reply replied 7 months ago
No
Technician: Curtis B., Technician replied 7 months ago

Briggs engine? Remove rocker covers and look at the valves and pushrods.

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Customer reply replied 7 months ago
Koehler vertical shaft
Technician: Curtis B., Technician replied 7 months ago

OK< Same thing, I would start by removing rocker covers .

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Customer reply replied 7 months ago
Did that, couldn’t acces cylinder head. Probably have to pull heads but hoping not.
Technician: Curtis B., Technician replied 7 months ago

No movement of the crankshaft in either direction? Would make me think the crankshaft has locked. Key for the lower pulleys is not jammed into the lower part of the engine?

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Customer reply replied 7 months ago
How do I check that?
Technician: Curtis B., Technician replied 7 months ago

Just look at the lower parts, do you have the drive pulley off the crankshaft?

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Customer reply replied 7 months ago
Not yet, I pulled the electric clutch to install a new belt but didn’t pull the pully
Technician: Curtis B., Technician replied 7 months ago

might be worth the trouble, it will have to come off at some point.

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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