Fyi flutter or thump noise - TerrainForum.net: GMC Terrain Forum
 
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post #1 of 1 (permalink) Old 07-24-2019, 11:59 AM Thread Starter
Theta Freak
 
Join Date: Mar 2011
Posts: 1,093
Fyi flutter or thump noise

17-NA-265: Flutter or Thump Noise from Rear of Vehicle - (Jul 22, 2019)
Subject: Flutter or Thump Noise from Rear of Vehicle


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Brand:
Model:
Model Year:
Date Breakpoints:
Engine:
Transmission:

from
to
from
to



Chevrolet
Equinox
2018
2019
All
All

GMC
Terrain

Holden
Equinox


Involved Region or Country
North America, Middle East, Israel, South America, South Korea, Thailand, Egypt, Africa, Australia and New Zealand

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.
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