Back of can air sound

[Ranger3]

Hey guys 20 Xlt full 4 door ...when driving at high speeds I seem to hear a lil air in back....normal or.no? I know some have said check air vents but where are they?

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[Trigganometry]

Hey guys 20 Xlt full 4 door ...when driving at high speeds I seem to hear a lil air in back....normal or.no? I know some have said check air vents but where are they?

 

[Ranger3]

Lol that's great

 

[Porpoise Hork]

You can access these vents from inside the cab with a little work. The rear panel is fairly easy to remove with basic tools and upholstery tools. Once you have access to the vents, you can cover them with thick polyester wool or fleece and use a spray adhesive to attach it to the back wall. It will cut down the noise but still allow airflow. If you block these vents off the cabin pressure is too great that it will make it difficult to shut the doors and you will feel it when turning on the A/C when in the fresh air setting. I found this out when I put a foam pad over the vents. So I swapped it out for heavy polyester fleece. It reduces the wind noise about the same as the foam pad but allows enough air flow to prevent excessive pressure to build up. Being polyester, it also will resist mildew development and you can also treat it with a mold/mildew inhibitor before putting it in there if you want.

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