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Flywheel Ring Gear

Critical For Operation

Transmission

Engages with the starter motor to start the engine.

The flywheel ring gear is mounted on the edge of the flywheel and engages with the starter motor, allowing the engine to be cranked and started when the ignition is turned on.

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Typical part cost
$50–$150🔒
🔧
Typical labor cost
$200–$400🔒
🛣️
Typically lasts
100,000–200,000 mi
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Or about
7.0–10.0 years
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DIY difficulty
5/10

⚠️ Owners Often Notice

If the Flywheel Ring Gear is starting to fail, these are the signs owners most commonly report before it gets worse:

Engine won’t start
Grinding noise from starter
Starter motor slipping
Poor engine cranking

Related Services

Services commonly performed on or around this part.

Replace Flywheel Ring Gear

No standard interval on file

Inspect Flywheel Ring Gear

No standard interval on file