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Snowblower Only One Auger Turns

The 6 most common part(s) or condition(s) which contribute to the symptom Snowblower only one auger turns are listed below. Check or test each item and watch any available videos. If you are still unable to solve the problem you may need to do additional research and troubleshooting. Remember, with our 365 Days. Period.® return policy you can return any part for any reason. So, go ahead and buy it to try it. No other parts retailer offers this unconditional return policy.


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For the symptom you selected, these are the most common parts or causes, ordered by the likelihood of fixing the symptom.

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Shear Bolt and Nut

If only one of the snowblower augers turns the shear bolt and nut may have sheared in half. The shear bolt is a metal bolt that slides through the auger axle sleeve to lock it in place with the auger drive axle. If the auger hits a rock or other object, the shear bolt is designed to cut in half and fall out in order to protect the auger, gearbox and other components. If the auger won't turn, check to see if the shear bolt is in place and intact. If not, replace it.

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Shear Pin

If only one of the snowblower augers turns the shear pin may have sheared in half. The shear bolt is a metal bolt that slides through the auger axle sleeve to lock it in place with the auger drive axle. If the auger hits a rock or other object, the shear bolt is designed to cut in half and fall out in order to protect the auger, gearbox and other components. If the auger won't turn, check to see if the shear bolt is in place and intact. If not, replace it.

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Shear Bolt

If only one of the snowblower augers turns the shear bolt may have sheared in half. The shear bolt is a metal bolt that slides through the auger axle sleeve to lock it in place with the auger drive axle. If the auger hits a rock or other object, the shear bolt is designed to cut in half and fall out in order to protect the auger, gearbox and other components. If the auger won't turn, check to see if the shear bolt is in place and intact. If not, replace it.

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Auger Assembly

The most common problem when the snowblower auger won't turn is a broken or loose belt. Check the belt or belts and tighten or replace as needed.

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Bearing

If only one auger turns, one of the bearings might have seized. This is not common, normally a shear pin has failed in this situation. However, if the shear pins are intact and nothing else seems to be interfering with the operation of the auger, check the bearing.

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Gearbox

If only one snowblower auger turns the gearbox might have failed. However, the most common problem in this situation is that the shear pin for the auger that isn't rotating has sheared in half. That should be checked and ruled out first. The gearbox is located between the two halves of the auger. It has three shafts, one leading back to the drive system, and the other two at 90 degree angles to power the two halves of the auger. If the drive system is powering the main shaft, but one of the two auger shafts aren't rotating, and the shear pin is good, the gearbox will need to be replaced.

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