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Rear end noise??

Mad Ghost

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I’ve put 10k miles since February and never noticed this before. Anyone have a clue? I noticed it when I approached the drivers rear tire to add air as we are expecting a 40 degree drop in Texas tonight.

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outdoorCO

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Mine was doing that the other night. I fired it up and stopped it and it went away, very curious what it is.
 

02SE

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The 5th gen has a vacuum pump that checks the EVAP system integrity after the vehicle has been off for awhile, and certain temperature parameters have been met.

This sounds the same, so I assume the 6th gen has the same system. It should be mentioned in the owners manual.

Completely normal.
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