DescriptionThis video provides step-by-step instructions for replacing the muffler on MTD small engines, commonly found in Craftsman, Cub Cadet, MTD, Troy-Bilt, Yard Machines, and Yard-Man snowblowers. The most common reason for replacing the muffler is if the engine runs too loud.
All of the information in this muffler replacement video is applicable to the following brands: MTD, Craftsman, Cub Cadet, Troy-Bilt, Yard Machines, Yard-Man
Tools used: 3/8” socket, 1/2” wrench
Step-By-Step Instructions1
Before you replace the muffler on your snowblower engine…
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…make sure the engine and muffler have cooled…
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…and the ignition key has been removed.
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Now carefully tip the snowblower forward so it rests on the auger housing.
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Detach the choke lever extension.
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Next, use a 3/8th inch socket to unthread the three mounting screws securing the lower shroud.
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Lift the lower shroud off.
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Using a half-inch wrench, unthread the two mounting nuts securing the muffler.
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Carefully remove the old muffler.
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Before you install the new muffler…
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…we recommend cleaning off any residue…
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…and replacing the gasket.
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Now position the new muffler on the cylinder head…
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…and rethread the nuts to secure.
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Replace the lower shroud by first inserting the tabs into the slots in the frame.
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…and rethread the mounting screws.
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Replace the choke lever extension with the support tabs facing up.
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Return the snowblower to its upright position.
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With the repair completed…
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…reinsert the ignition key…
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…and your snowblower should be ready for use.