A/C Problem
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Senior User
Joined: Jun 2008
Posts: 283
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From: Bethel Park, PA
A/C Problem
This is a problem I started having last summer, but I just noticed something new with this problem in the past week using my A/C for the first time this year. Well, after the A/C is on for a while it eventually starts losing its coldness. It does this when the truck is sitting in idle or there happens to be a point on a trip where I do a lot of coasting and not hitting the gas too much. Well, I noticed that if I hit the gas one or two times pretty hard it gets cold again and it's good for a while until this starts all over again later. I was wondering why it would do that? Why would hitting the gas make the A/C go cold again? It almost sounds like when I hit the gas that it gets the compressor working again. Maybe I'm wrong about that, I can't tell for sure. I also noticed that when the a/c starts losing the coldness that I think I can smell the freon coming through the vents a little. Once I gun the gas and it gets cold again the smell goes away. Anyway, I was wondering what you guys think of this? Thanks.
Thread Starter
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Senior User
Joined: Jun 2008
Posts: 283
Likes: 0
From: Bethel Park, PA
I guess I should have mentioned that it's full of R134a. And I have one of those gauges that measures the high and low side ports and everything seems to be where it's supposed to be.
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Joined: Oct 2009
Posts: 3,432
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If you don't get enough airflow across the condensor, you will loose AC performance. Airflow is everything. If you have an e-fan that engages when the compressor kicks on, you might want to make sure its working. On my van I had the same issue and added an AC triggered e-fan on the front of the condenser. That resolved the problem.
