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Old 07-30-2015, 06:23 PM   #1
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In Maine-Dash Air Problem-Itasca Diesel Pusher

Hi all. We will be entering Maine tomorrow, July 31. Today, our dash air decided to to give up the ghost. Fortunately, todays temps stayed in the low 70's but soon they will be going back up into the 80's.

Can anyone recommend a good, competent frieghtliner service center in Maine? I'm hoping they will be able to diagnose and repair our faulty dash air conditioning system.

The fan works, but it is not cooling. The engine rpm drops roughly 50-100 rpm when i switch to cooling, so i'm thinking that compressor clutch is engaging and that it's just low on freon.

I see that there are 3 Frieghtliner service centers in Maine, but anyone has personal experience with them, please share.

Thanks.
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Old 07-30-2015, 07:17 PM   #2
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You very likely can get it serviced by any auto A/C shop and not have to pay truck rates. Call around and see if they will work on it.
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Old 07-30-2015, 07:46 PM   #3
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You could try to add a shot of the Freon, you can buy at most auto parts stores, Walmart etc. Mine did the same thing a couple years ago and I put 1 can in and it's worked perfectly ever since.
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Old 07-30-2015, 08:01 PM   #4
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Originally Posted by jacwjames View Post
You could try to add a shot of the Freon, you can buy at most auto parts stores, Walmart etc. Mine did the same thing a couple years ago and I put 1 can in and it's worked perfectly ever since.
Adding coolant (probably R134a, not Freon) is done with the engine and compressor running. To just add coolant with no manifold gauge set is a chancy proposition. The little gauges attached to some cans or fill hoses only shows the low pressure, not the high. You should know the high side pressure so you don't over charge the system. R134a systems are especially prone to losing cooling power if over charged. Going to a shop where they can use dye and UV light, or a 'sniffer' to find the leak is smart before filling the system.
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Old 07-30-2015, 08:01 PM   #5
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Quote:
Originally Posted by fputnam View Post
Hi all. We will be entering Maine tomorrow, July 31. Today, our dash air decided to to give up the ghost. Fortunately, todays temps stayed in the low 70's but soon they will be going back up into the 80's.

Can anyone recommend a good, competent frieghtliner service center in Maine? I'm hoping they will be able to diagnose and repair our faulty dash air conditioning system.

The fan works, but it is not cooling. The engine rpm drops roughly 50-100 rpm when i switch to cooling, so i'm thinking that compressor clutch is engaging and that it's just low on freon.

I see that there are 3 Frieghtliner service centers in Maine, but anyone has personal experience with them, please share.

Thanks.
Frank,
First off, it's a dash air. You don't have to bother with finding a Freightliner Service center. All you need is a good A/C shop. I just had our dash air system flushed/evacuated and, recharged at a local shop here in Lake Havasu City AZ. A/C is A/C there's nothing special about it. No need for Freightliner to get involved. More than likely, your system should be easy to service.
Scott
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