This technical bulletin provides a procedure to inspect the ceramic portion of the sparkplug for cracking...
Chevrolet technical service bulletin 21NA289 for 2021 Chevrolet Equinox and 2021 GMC Terrain.
- Bulletin number
- 21NA289
- Component
- Electrical system: ignition: coil: spark plugs
- Summary
- This technical bulletin provides a procedure to inspect the ceramic portion of the sparkplug for cracking and to replace if found the cause of the customers concern.
Owners of these vehicles have filed 25 complaints in the electrical category.
Vehicles covered
- Chevrolet Equinox 2021 2021
- GMC Terrain 2021 2021
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