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Last updated October 28, 2026 · Applies to: snow blowers from Toro, Husqvarna, Honda, Troy-Bilt, Craftsman and Briggs & Stratton
Cause 1: Sheared shear pins
Step-by-step instructions for this cause are being written.
Two-stage snow blower auger drive. Engine runs but auger is still? Check the cheap parts first: shear pins, then the belt.
Cause 2: Broken or stretched auger belt
Step-by-step instructions for this cause are being written.
Two-stage snow blower auger drive. Engine runs but auger is still? Check the cheap parts first: shear pins, then the belt.
Cause 3: Belt off the pulley
Step-by-step instructions for this cause are being written.
Two-stage snow blower auger drive. Engine runs but auger is still? Check the cheap parts first: shear pins, then the belt.
Cause 4: Auger control cable out of adjustment
Step-by-step instructions for this cause are being written.
Two-stage snow blower auger drive. Engine runs but auger is still? Check the cheap parts first: shear pins, then the belt.
Cause 5: Failed auger gearbox
Step-by-step instructions for this cause are being written.
Two-stage snow blower auger drive. Engine runs but auger is still? Check the cheap parts first: shear pins, then the belt.
Which cause is it?
The decision table is being compiled from shop pricing and manufacturer data.
Brand notes
Brand-specific notes for Toro, Husqvarna, Honda and Troy-Bilt are being researched.
When to take it to a shop
Hand it over if the engine still will not run after the fuel, spark and air checks, if you find metal in the oil or the
engine is seized, or if the machine is under warranty (opening it yourself can void it).
Find a snow blower repair shop near you
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Answers being written: Why does my snow blower run but the auger won't turn? · How do I know if a shear pin broke? · Can I use a regular bolt instead of a shear pin? · How much does an auger belt replacement cost?