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MTD Snowblower Auger Not Turning

31A-611D352/1999

The part(s) or condition(s) listed below for the symptom Snowblower auger not turning are ordered from most likely to least likely to occur. Check or test each item, starting with the items at the top of the page.

Most Frequent Causes for Snowblower auger not turning

Cause 1Cogged Belt

The cogged belt makes the connection between the engine and the gearbox. If the cogged belt is worn out, misadjusted, or broken, the snowblower auger won’t turn. Inspect the cogged belt to determine if it is broken or worn out, and ensure that the belt is properly adjusted. If the belt is broken or worn out, replace it.

Parts
Cogged Belt for your MTDSnowblower
Cogged Belt - Part # 1606460 Mfg Part # 954-0430B

Snow blower auger drive belt set. 3/8" X 35". If the snow blower auger does not engage properly, then the auger belts may be worn and will need to be replaced.

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Cause 2V-Belt

The V-belt makes the connection between the engine and the gearbox. If the V-belt is worn out, misadjusted, or broken, the auger won’t turn. Inspect the V-belt to determine if it is broken or worn out. If the belt is broken or worn out, replace it. If the belt is not broken or worn out, ensure that the belt is properly adjusted, and adjust the belt if necessary.

Parts
V-Belt for your MTDSnowblower
V-Belt - Part # 1810069 Mfg Part # 954-0343

Drive belt. Width: 3/8 " Length: 31 "

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Cause 3Shear Pin

The shear pin is a metal pin that slides through the auger axle sleeve, locking the sleeve in place with the auger drive axle. Shear pins are designed to break in half if the auger hits a rock or chunk of ice to prevent damage to the engine. If the shear pin breaks, the auger won’t be able to turn. Inspect the shear pin to determine if it is broken. If the shear pin is broken, replace it.

Parts
Shear Pin for your MTDSnowblower
Shear Pin - Part # 1726966 Mfg Part # 710-0890A

MTD snowblower shear bolt. If the snowblower's auger hits a hard object, the shear bolt breaks in half to prevent damage to the transmission and engine. If the shear bolt is broken, the auger won’t turn.

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Cause 4Auger Assembly

First, check the shear pins for damage. If the shear pins are broken or worn out, replace them. Next, check the auger blades. If the auger blades are bent or damaged, replace them. If the entire auger assembly is worn out, replace the auger assembly.

Parts
Auger Assembly for your MTDSnowblower
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Cause 5Auger Assembly

First, check the shear pins for damage. If the shear pins are broken or worn out, replace them. Next, check the auger blades. If the auger blades are bent or damaged, replace them. If the entire auger assembly is worn out, replace the auger assembly.

Parts
Auger Assembly for your MTDSnowblower
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Cause 6Bearing

One or more of the bearings might have seized. If a bearing has seized, replace the bearing.

Parts
Bearing for your MTDSnowblower
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Cause 7Bearing

One or more of the bearings might have seized. If a bearing has seized, replace the bearing.

Parts
Bearing for your MTDSnowblower
Bearing - Part # 1839043 Mfg Part # 784-5618A-0637
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Cause 8Bearing

One or more of the bearings might have seized. If a bearing has seized, replace the bearing.

Parts
Bearing for your MTDSnowblower
Bearing - Part # 1842923 Mfg Part # 941-0309

Snowblower auger housing bearing, .75 ID x 1.85 OD

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Install Help
Cause 9Gearbox

The gearbox might have failed. The gearbox is located between the two halves of the auger. The gearbox has three shafts: one shaft connects to the drive system, and the other two shafts power the two halves of the auger. If the drive system is powering the main shaft and the shear pins are intact, but the two auger shafts aren’t rotating, replace the gearbox.

Parts
Gearbox for your MTDSnowblower
Gearbox - Part # 1841810 Mfg Part # 918-0413B
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Cause 10Auger Cable

When the auger cable is engaged, the auger rotates. If the auger cable broken or not adjusted properly, the auger will not turn. Inspect the auger cable to determine if it is broken. If the auger cable is broken, replace it. Make sure that the cable has the proper amount of tension. If the cable can be adjusted, adjust the cable if necessary. If the cable tension is not set properly, and it is not possible to adjust the cable, replace it.

Parts
Auger Cable for your MTDSnowblower
Auger Cable - Part # 1810073 Mfg Part # 946-0897

Snow blower control cable for the auger assembly. If the snow thrower auger does not engage, check the cable for damage.

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