Video & Articles: Appliance & Equipment RepairString Trimmer Ignition Coil Replacement #545046701

String Trimmer Ignition Coil Replacement #545046701

05:27
This video provides step-by-step instructions for replacing the ignition coil on a Husqvarna string trimmer. The most common reason for replacing the coil is if the engine won't start or run.

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

Tools used: T-25 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 ignition coil in your string trimmer…
6
…make sure the engine has 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 mounting screw securing the throttle housing.
9
Next, loosen the clamp screw…
10
…and the two screws closest to the trigger.
11
You can now slide the drive shaft out…
12
…and detach the throttle housing.
13
Now unthread the screws securing the muffler cover.
14
Detach the cover.
15
Next, remove the screws to release the muffler shield.
16
Remove all of the screws so you can separate the two halves of the engine housing.
17
Now disconnect the wire from the ignition coil.
18
Make sure the flywheel magnets are rotated out of the way…
19
…then unthread the mounting screws to release the coil.
20
Push the spark plug boot through the access hole to fully remove the old coil.
21
Install the new ignition coil…
22
…by aligning it on the mounting bracket…
23
…then push the spark plug boot through the access hole.
24
Thread and tighten the mounting screws– be sure to secure the eyelet wire under the rear screw.
25
Now align the flywheel magnets with the coil.
26
Place a business card between the coil and the flywheel…then loosen the screws to align the coil the correct distance from the magnets.
27
Tighten the screws and remove the card.
28
Position the spark plug wire and connect the coil wire to the terminal.
29
Join the two halves of the engine housing together.
30
Rethread all of the screws to secure.
31
Realign the muffler shield and secure it with the screws.
32
Realign the muffler cover and rethread the screws to secure.
33
Reposition the throttle housing…
34
…and slide the drive shaft through the housing until it locks into place.
35
Rethread the mounting screw…
36
…then tighten the other screws.
37
With the repair completed, reattach the wire and boot to the spark plug…
38
…and your string trimmer should be ready for use.
39
At repairclinic – we make fixing things easy.
40
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 ignition coil on a Husqvarna string trimmer. The most common reason for replacing the coil is if the engine won't start or run.

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

Tools used: T-25 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 ignition coil in your string trimmer…
6
…make sure the engine has 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 mounting screw securing the throttle housing.
9
Next, loosen the clamp screw…
10
…and the two screws closest to the trigger.
11
You can now slide the drive shaft out…
12
…and detach the throttle housing.
13
Now unthread the screws securing the muffler cover.
14
Detach the cover.
15
Next, remove the screws to release the muffler shield.
16
Remove all of the screws so you can separate the two halves of the engine housing.
17
Now disconnect the wire from the ignition coil.
18
Make sure the flywheel magnets are rotated out of the way…
19
…then unthread the mounting screws to release the coil.
20
Push the spark plug boot through the access hole to fully remove the old coil.
21
Install the new ignition coil…
22
…by aligning it on the mounting bracket…
23
…then push the spark plug boot through the access hole.
24
Thread and tighten the mounting screws– be sure to secure the eyelet wire under the rear screw.
25
Now align the flywheel magnets with the coil.
26
Place a business card between the coil and the flywheel…then loosen the screws to align the coil the correct distance from the magnets.
27
Tighten the screws and remove the card.
28
Position the spark plug wire and connect the coil wire to the terminal.
29
Join the two halves of the engine housing together.
30
Rethread all of the screws to secure.
31
Realign the muffler shield and secure it with the screws.
32
Realign the muffler cover and rethread the screws to secure.
33
Reposition the throttle housing…
34
…and slide the drive shaft through the housing until it locks into place.
35
Rethread the mounting screw…
36
…then tighten the other screws.
37
With the repair completed, reattach the wire and boot to the spark plug…
38
…and your string trimmer should be ready for use.
39
At repairclinic – we make fixing things easy.
40
Thank you for supporting the production of these videos by purchasing your parts from our website.

Applicable Product Model

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

Related Articles & Videos

03:56
How This Part Works
Small Engine Ignition Coil Replacement
02:50
Part Replacement
Husqvarna String Trimmer Carburetor Replacement #545081848
04:41
Part Replacement
Husqvarna String Trimmer Fuel Line Kit Replacement #530069599
02:56
Part Replacement
Husqvarna String Trimmer Starter Pawl Replacement #503873305
03:43
Part Replacement
Husqvarna String Trimmer Left Throttle Housing #545223201