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Installation Instructions

Husqvarna String Trimmer Muffler Replacement #574031502

This video provides step-by-step instructions for replacing the muffler on a Husqvarna string trimmer. The most common reason for replacing the muffler is if the engine runs poorly or runs loud.

All of the information in this muffler replacement video is applicable to the following brands: Poulan, Husqvarna, Craftsman, Poulan Pro

Tools used: T-25 Torx head screwdriver, T-30 Torx head screwdriver
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How your string trimmer works:

For additional repair advice and help finding your model number visit the repair help section of our website: String Trimmer repair help