Flutter or Thump Noise from Rear of Vehicle Condition Some customers may comment on hearing a flutter or...
Chevrolet technical service bulletin 17-NA-265 for 2018 Chevrolet Equinox and 2018 GMC Terrain.
- Bulletin number
- 17-NA-265
- Component
- Equipment adaptive/mobility
- Summary
- Flutter or Thump Noise from Rear of Vehicle Condition Some customers may comment on hearing a flutter or thump noise from the rear of the vehicle. The noise is most noticeable while driving above 40 km/h (25 mph), with the HVAC off, or in recirculation mode Cause The cause of the condition may be the rear pressure relief valves (PRVs) opening and closing.
Vehicles covered
- Chevrolet Equinox 2018 2018
- GMC Terrain 2018 2018
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