How do I close the air vents in the doors of my '91 Nissan pickup?

Asked by Apr 02, 2012 at 02:12 AM about the 1991 Nissan Pickup 2 Dr V6 Standard Cab LB

Question type: Maintenance & Repair

Cold air blows through the door vents at hwy speed eve when I have set the air to interior circulation.  

4 Answers

655

What do you mean by door vents? I am unaware of any air vent in the door of a frontier?

We have 5 1/2"x3 1/2" louvered vents in the doors below the door handles. I'm sure they were factory installed because they match all the other trim. Cold air blows through them when we are driving. I've tried setting the air on interior circulation, but it doesn't help. Any ideas?

655

Interesting. My neighbors truck is void of these vents. I would suggest removing the door panel to see where the vent is being fed from. If you had to you could just block the vent from behind while that's off. Good luck!

Yeah, I had to deal with that on my 91 D21, those are part of the positive air circulation system, & it's annoying on very cold mornings. There's no shut off door for those, just gotta git creative in a non "cobb job" kinda way.

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