Video & Articles: Appliance & Equipment RepairCub Cadet Snowblower Wont' Start? Ignition Coil #951-10646

Cub Cadet Snowblower Wont' Start? Ignition Coil #951-10646

12:07
Snowblower won't start? This video provides step-by-step instructions for replacing the ignition coil on Cub Cadet snowblowers. The most common reason for replacing the ignition coil is when the snowblower won’t start and testing the ignition coil proves it is at fault.

All of the information in this ignition coil replacement video is applicable to the following brands: MTD, Yard Machines, Craftsman, Cub Cadet, Troy-Bilt, Yard-Man, Huskee

Tools used: needle-nose pliers, 3/8” socket, 1/2” socket, 3/4” socket, 10mm socket, flat-head screwdriver, Phillips head screwdriver, pliers, business card

Step By Step Instructions

1
Before you replace the ignition coil on your snowblower first make sure the engine has cooled.
2
Next, remove the wire and boot from the spark plug to prevent the engine from accidentally starting.
3
We recommend performing this procedure with no fuel in the tank.
4
Your first step is to remove the retaining clip securing the chute control rod and pull the rod free.
5
Now remove the retaining clip securing the support bracket pin and pull out the pin.
6
Unthread the wing nut from the center gear box mounting bolt.
7
Lift the gear box off of the support bracket and set the gear box and chute assembly aside.
8
Next, use a 3/8th inch socket to remove the bolts securing the belt cover.
9
Pull the cover off.
10
Now release the drive belt idler pulley tension spring.
11
Use a half-inch socket to remove the upper two mounting bolts securing the gear box support bracket.
12
Use a three-quarter inch socket to remove the lower bolt.
13
You can now remove the support bracket.
14
Use a 10mm socket or wrench to remove all of the mounting bolts securing the muffler cover.
15
Lift off the cover.
16
Next, remove both the choke knob and the throttle knob.
17
Now use a phillips-head screwdriver to unthread the lower starter switch box mounting screw.
18
Detach the primer line and the ignition switch wires.
19
Use the 10mm socket to remove the nuts threaded on the carburetor mounting posts.
20
Pull the control panel free.
21
Release the retaining clamp securing the fuel line to the tank and pull the line off.
22
Remove the mounting bolts securing the tank.
23
Remove the dipstick and lift off the tank.
24
Next, remove the bolts securing the blower housing.
25
Pull the housing off.
26
Confirm that the flywheel magnets are rotated out of the way then remove the ignition coil mounting bolts.
27
Detach the wire from the carburetor spacer tabs.
28
Disconnect the stop switch wire connecter to fully remove the old ignition coil.
29
You’re now ready to install the new ignition coil.
30
Connect the stop switch wire connecter.
31
Route the spark plug wire behind the carburetor spacer and align the wire in the spacer tabs.
32
Now position the new coil on the engine and thread the mounting bolts loosely.
33
Be sure to align the grounding wire on the lower bolt.
34
Now pull the coil back and tighten the bolts.
35
Insert a business card between the coil and flywheel then rotate the flywheel so the magnets align with the coil.
36
Loosen the bolts to align the coil the correct distance from the flywheel.
37
Re-tighten the bolts and remove the card.
38
Reposition the blower housing.
39
Thread and tighten the bolts to secure.
40
Remember to secure the grounding wire under the lower bolt.
41
Reposition the fuel tank on the engine.
42
Thread and tighten the mounting bolts to secure the tank.
43
Remember to secure the starter switch box cord retainer with the bolt above the rear of the starter.
44
Replace the dipstick.
45
Reconnect the fuel line to the tank and secure it with the retaining clamp.
46
Reposition the control panel making sure the choke plate stem protrudes through the hole in the panel and the breather tube connects to the air intake box.
47
Thread the nuts on the mounting posts and tighten.
48
With the control panel in place, rethread the lower starter switch box mounting screw.
49
Reattach the primer line and the ignition switch wires.
50
Replace both the choke and the throttle knobs.
51
Realign the muffler cover.
52
Thread and tighten the bolts to secure.
53
Now reposition the chute gear box support bracket and replace the bolts.
54
Reset the tension spring on the lower bolt.
55
Replace the belt cover.
56
Rethread the bolts and tighten.
57
Reposition the chute assembly on the chute adapter. as you realign the gear box on the support bracket.
58
Confirm that the center mounting bolt is in place in the gear box housing then thread the wing nut on and tighten.
59
Reinsert the support bracket pin and secure it with the retaining clip.
60
Confirm that the holes in the gear box coupler are facing straight up with the chute facing forward and that the chute control lever is at the “one o’clock” position.
61
Now insert the rounded end of the chute control rod into the gear box coupler and the hex end into the control coupler.
62
Secure the rod with the retaining clip.
63
Confirm that the chute has a full range of movement attach the spark plug wire and boot refill the fuel tank and your snowblower should be ready for use.
Description
Snowblower won't start? This video provides step-by-step instructions for replacing the ignition coil on Cub Cadet snowblowers. The most common reason for replacing the ignition coil is when the snowblower won’t start and testing the ignition coil proves it is at fault.

All of the information in this ignition coil replacement video is applicable to the following brands: MTD, Yard Machines, Craftsman, Cub Cadet, Troy-Bilt, Yard-Man, Huskee

Tools used: needle-nose pliers, 3/8” socket, 1/2” socket, 3/4” socket, 10mm socket, flat-head screwdriver, Phillips head screwdriver, pliers, business card
Step-By-Step Instructions
1
Before you replace the ignition coil on your snowblower first make sure the engine has cooled.
2
Next, remove the wire and boot from the spark plug to prevent the engine from accidentally starting.
3
We recommend performing this procedure with no fuel in the tank.
4
Your first step is to remove the retaining clip securing the chute control rod and pull the rod free.
5
Now remove the retaining clip securing the support bracket pin and pull out the pin.
6
Unthread the wing nut from the center gear box mounting bolt.
7
Lift the gear box off of the support bracket and set the gear box and chute assembly aside.
8
Next, use a 3/8th inch socket to remove the bolts securing the belt cover.
9
Pull the cover off.
10
Now release the drive belt idler pulley tension spring.
11
Use a half-inch socket to remove the upper two mounting bolts securing the gear box support bracket.
12
Use a three-quarter inch socket to remove the lower bolt.
13
You can now remove the support bracket.
14
Use a 10mm socket or wrench to remove all of the mounting bolts securing the muffler cover.
15
Lift off the cover.
16
Next, remove both the choke knob and the throttle knob.
17
Now use a phillips-head screwdriver to unthread the lower starter switch box mounting screw.
18
Detach the primer line and the ignition switch wires.
19
Use the 10mm socket to remove the nuts threaded on the carburetor mounting posts.
20
Pull the control panel free.
21
Release the retaining clamp securing the fuel line to the tank and pull the line off.
22
Remove the mounting bolts securing the tank.
23
Remove the dipstick and lift off the tank.
24
Next, remove the bolts securing the blower housing.
25
Pull the housing off.
26
Confirm that the flywheel magnets are rotated out of the way then remove the ignition coil mounting bolts.
27
Detach the wire from the carburetor spacer tabs.
28
Disconnect the stop switch wire connecter to fully remove the old ignition coil.
29
You’re now ready to install the new ignition coil.
30
Connect the stop switch wire connecter.
31
Route the spark plug wire behind the carburetor spacer and align the wire in the spacer tabs.
32
Now position the new coil on the engine and thread the mounting bolts loosely.
33
Be sure to align the grounding wire on the lower bolt.
34
Now pull the coil back and tighten the bolts.
35
Insert a business card between the coil and flywheel then rotate the flywheel so the magnets align with the coil.
36
Loosen the bolts to align the coil the correct distance from the flywheel.
37
Re-tighten the bolts and remove the card.
38
Reposition the blower housing.
39
Thread and tighten the bolts to secure.
40
Remember to secure the grounding wire under the lower bolt.
41
Reposition the fuel tank on the engine.
42
Thread and tighten the mounting bolts to secure the tank.
43
Remember to secure the starter switch box cord retainer with the bolt above the rear of the starter.
44
Replace the dipstick.
45
Reconnect the fuel line to the tank and secure it with the retaining clamp.
46
Reposition the control panel making sure the choke plate stem protrudes through the hole in the panel and the breather tube connects to the air intake box.
47
Thread the nuts on the mounting posts and tighten.
48
With the control panel in place, rethread the lower starter switch box mounting screw.
49
Reattach the primer line and the ignition switch wires.
50
Replace both the choke and the throttle knobs.
51
Realign the muffler cover.
52
Thread and tighten the bolts to secure.
53
Now reposition the chute gear box support bracket and replace the bolts.
54
Reset the tension spring on the lower bolt.
55
Replace the belt cover.
56
Rethread the bolts and tighten.
57
Reposition the chute assembly on the chute adapter. as you realign the gear box on the support bracket.
58
Confirm that the center mounting bolt is in place in the gear box housing then thread the wing nut on and tighten.
59
Reinsert the support bracket pin and secure it with the retaining clip.
60
Confirm that the holes in the gear box coupler are facing straight up with the chute facing forward and that the chute control lever is at the “one o’clock” position.
61
Now insert the rounded end of the chute control rod into the gear box coupler and the hex end into the control coupler.
62
Secure the rod with the retaining clip.
63
Confirm that the chute has a full range of movement attach the spark plug wire and boot refill the fuel tank and your snowblower should be ready for use.

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