a/c coming out of dash vents- worse after tps replacement
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Record Breaker
Joined: Feb 2010
Posts: 1,504
Likes: 1
From: Chesapeake, VA
If there is a junkyard near you, go scouting for a vacuum reservoir. All it is, is a plastic ball, or, some other shape.... with a hose nipple on it. Grab one, install it on your truck, and plumb it in between the check valve, and the a/c controls. Will either significantly reduce, or even eliminate the problem.
Professional
Joined: Feb 2009
Posts: 155
Likes: 0
From: Trevor, WI
I'm having the same problem as Matty, although mine is with any air coming through the vents. Ac or not.. Ac doesn't even work.. but any time its on vent and I accelerate it reroutes to the dash, like where the defrost would be, then makes a popping sound and comes back to venting straight again. I'm going to check the check valve you guys mentioned, and as far as I know I do not have a blown plenum.
Also I took the truck in to get that fixed a while ago, like 3 years ago, and they did nothing and charged me like 300$ and said they fixed it.
Also I took the truck in to get that fixed a while ago, like 3 years ago, and they did nothing and charged me like 300$ and said they fixed it.