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Cub Cadet Snowblower Leaks? Carburetor Spacer Gasket 951-11567

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This video provides step-by-step repair instructions for replacing the carburetor spacer gasket (or carburetor insulation gasket) on a Cub Cadet snowblower. The most common reason for replacing the carburetor gasket is when the snowblower is leaking gas.

All of the information for this carburetor spacer gasket replacement video is applicable to the following brands:
MTD, Craftsman, Yard Machines, Cub Cadet, Troy-Bilt, Yard-Man, Huskee, MasterCut

Tools used: 3/8 inch socket, 1/2 inch socket, 3/4 inch socket, 10mm socket, Phillips-head screwdriver

Step By Step Instructions

1
Before you replace the carburetor spacer gasket 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 to release the support bracket 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
Slide off the front choke plate gasket.
23
Remove the choke plate itself and detach it from the choke linkage.
24
Slide off the rear gasket.
25
Detach the throttle spring and linkage from the carburetor and slide the carburetor off of the mounting posts.
26
Pull off the carburetor spacer and remove the old gasket.
27
Install the new carburetor spacer gasket by sliding it onto the mounting posts.
28
Next, reposition the spacer and align the spark plug wire in the spacer tabs.
29
Confirm that the intake gasket is aligned on the carburetor and slide the carburetor into place.
30
Reconnect the throttle linkage and spring.
31
Next, slide on the rear choke plate gasket.
32
Replace the choke plate and reattach the choke linkage.
33
Slide on the front gasket.
34
Reconnect the fuel line to the tank and secure it with the retaining clamp.
35
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.
36
Align the primer line in the groove on the panel.
37
Thread the nuts on the mounting posts and tighten.
38
With the control panel in place, rethread the lower starter switch box mounting screw.
39
Reattach the primer line and the ignition switch wires.
40
Replace both the choke and the throttle knobs.
41
Realign the muffler cover.
42
Thread and tighten the bolts to secure.
43
Now reposition the chute gear box support bracket and replace the bolts.
44
Reset the tension spring on the lower bolt.
45
Replace the belt cover.
46
Rethread the bolts and tighten.
47
Position the chute assembly on the chute adapter. as you align the gear box on the support bracket.
48
Confirm that the center mounting bolt is in place in the gear box housing then thread the wing nut on and tighten.
49
Reinsert the support bracket pin and secure it with the retaining clip.
50
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.
51
Now insert the rounded end of the chute control rod into the gear box coupler and the hex end into the control coupler.
52
Secure the rod with the retaining clip.
53
Confirm that the chute has a full range of movement reattach the spark plug wire and boot refill the fuel tank and your snowblower should be ready for use.
Description
This video provides step-by-step repair instructions for replacing the carburetor spacer gasket (or carburetor insulation gasket) on a Cub Cadet snowblower. The most common reason for replacing the carburetor gasket is when the snowblower is leaking gas.

All of the information for this carburetor spacer gasket replacement video is applicable to the following brands:
MTD, Craftsman, Yard Machines, Cub Cadet, Troy-Bilt, Yard-Man, Huskee, MasterCut

Tools used: 3/8 inch socket, 1/2 inch socket, 3/4 inch socket, 10mm socket, Phillips-head screwdriver
Step-By-Step Instructions
1
Before you replace the carburetor spacer gasket 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 to release the support bracket 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
Slide off the front choke plate gasket.
23
Remove the choke plate itself and detach it from the choke linkage.
24
Slide off the rear gasket.
25
Detach the throttle spring and linkage from the carburetor and slide the carburetor off of the mounting posts.
26
Pull off the carburetor spacer and remove the old gasket.
27
Install the new carburetor spacer gasket by sliding it onto the mounting posts.
28
Next, reposition the spacer and align the spark plug wire in the spacer tabs.
29
Confirm that the intake gasket is aligned on the carburetor and slide the carburetor into place.
30
Reconnect the throttle linkage and spring.
31
Next, slide on the rear choke plate gasket.
32
Replace the choke plate and reattach the choke linkage.
33
Slide on the front gasket.
34
Reconnect the fuel line to the tank and secure it with the retaining clamp.
35
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.
36
Align the primer line in the groove on the panel.
37
Thread the nuts on the mounting posts and tighten.
38
With the control panel in place, rethread the lower starter switch box mounting screw.
39
Reattach the primer line and the ignition switch wires.
40
Replace both the choke and the throttle knobs.
41
Realign the muffler cover.
42
Thread and tighten the bolts to secure.
43
Now reposition the chute gear box support bracket and replace the bolts.
44
Reset the tension spring on the lower bolt.
45
Replace the belt cover.
46
Rethread the bolts and tighten.
47
Position the chute assembly on the chute adapter. as you align the gear box on the support bracket.
48
Confirm that the center mounting bolt is in place in the gear box housing then thread the wing nut on and tighten.
49
Reinsert the support bracket pin and secure it with the retaining clip.
50
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.
51
Now insert the rounded end of the chute control rod into the gear box coupler and the hex end into the control coupler.
52
Secure the rod with the retaining clip.
53
Confirm that the chute has a full range of movement reattach the spark plug wire and boot refill the fuel tank and your snowblower should be ready for use.

Applicable Product Model

Snowblower
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Product Type
Model
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Product Diagram & Manuals
Parts Needed
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