Video & Articles: Appliance & Equipment RepairHusqvarna String Trimmer Muffler Replacement #574031502

Husqvarna String Trimmer Muffler Replacement #574031502

02:32
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

Step By Step Instructions

1
Anncr: repairclinic makes fixing things easy…
2
…with millions of replacement parts available on our website…
3
…and the help you need to do the repair yourself.
4
Since we encourage you to perform this repair safely, a warning icon will appear when you should use caution.
5
Before you replace the muffler on your string trimmer…
6
…make sure both the engine and muffler have cooled.
7
Next, remove the wire and boot from the spark plug to prevent the engine from accidentally starting.
8
Use a t-25 torx bit to unthread the screws securing the muffler cover.
9
Detach the cover.
10
Next, remove the screws to release the muffler shield.
11
Now use a t-30 torx bit to unthread the muffler mounting bolts
12
Remove the old muffler and gasket.
13
Before you install the new muffler and gasket...
14
…clean off any residue from the cylinder head.
15
Now align the new muffler and gasket…
16
…and thread the mounting bolts to secure.
17
Realign the muffler shield and secure it with the screws.
18
Realign the muffler cover and rethread the screws to secure.
19
With the repair completed, reattach the wire and boot to the spark plug…
20
…and your string trimmer should be ready for use.
21
At repairclinic – we make fixing things easy.
22
Thank you for supporting the production of these videos by purchasing your parts from our website.
Description
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
Step-By-Step Instructions
1
Anncr: repairclinic makes fixing things easy…
2
…with millions of replacement parts available on our website…
3
…and the help you need to do the repair yourself.
4
Since we encourage you to perform this repair safely, a warning icon will appear when you should use caution.
5
Before you replace the muffler on your string trimmer…
6
…make sure both the engine and muffler have cooled.
7
Next, remove the wire and boot from the spark plug to prevent the engine from accidentally starting.
8
Use a t-25 torx bit to unthread the screws securing the muffler cover.
9
Detach the cover.
10
Next, remove the screws to release the muffler shield.
11
Now use a t-30 torx bit to unthread the muffler mounting bolts
12
Remove the old muffler and gasket.
13
Before you install the new muffler and gasket...
14
…clean off any residue from the cylinder head.
15
Now align the new muffler and gasket…
16
…and thread the mounting bolts to secure.
17
Realign the muffler shield and secure it with the screws.
18
Realign the muffler cover and rethread the screws to secure.
19
With the repair completed, reattach the wire and boot to the spark plug…
20
…and your string trimmer should be ready for use.
21
At repairclinic – we make fixing things easy.
22
Thank you for supporting the production of these videos by purchasing your parts from our website.

Applicable Product Model

Parts Needed
Muffler
Muffler
$45.22
Recommended Tools and Accessories
Fuel Tank
Fuel Tank
$31.52
Fuel Tank
Fuel Tank
$54.38
Total$0.00

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