This blog is a step-by-step instruction for replacing the ignition coil on a Troy Bilt snowblower. The most common reasons for replacing the ignition coil is when the snow blower won’t start.

Replacement

Before you begin the replacement, you need to make sure the engine has cooled and remove the snowblower start key from the ignition to replace the ignition coil.
Step 1: Your first step is to remove the screws securing the chute and pull the chute off. Next release the locking tab and detach the ignition switch wire harness.
Step 2: Now pull the tube off the primer and clamp the fuel line. Release the spring clamp securing the fuel line to the carburetor and pull the fuel line off. This may require some effort.
Step 3: Remove the screws securing the housing. Now carefully lift the housing and gas tank off of the frame. Next remove the bolts securing the recoil starter and blower housing and set them aside. Disconnect the spark plug wire and boot and release the spring clamp to remove the breather tube from the valve cover. Remove the mounting bolts securing the ignition coil and pull the old ignition coil out.
Step 4: Install the new ignition coil by first routing the wires into position. Reattach the breather tube and secure the spring clam. Attach the spark plug wire and boot to the plug. Now position the new ignition coil and insert the mounting bolts. Make sure to secure the grounding wire under the appropriate bolt.
Step 5: Pull the coil back and tighten the bolts. Now rotate the flywheel so the magnets align with the coil. Insert a business card and loosen the bolts to align the coil to the correct distance from the flywheel. Retighten the bolts and remove the business card. Reposition the recoil starter and blower housing on the crank case and secure the mounting bolts. Replace the housing and gas tank on the frame and secure the screws.
Step 6: Attach the fuel line to the carburetor, secure the spring clamp and remove the fuel line clamp. Attach the tube to the primer and reconnect the start switch wire harness. Realign the chute on the tabs and secure the screw.
with the new ignition coil installed, you can now return the key to the ignition and your snow blower should be ready for use.

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