A/C Not Blowing Hard
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Mountain Pass
Joined: Jun 2018
Posts: 152
Likes: 32
A/C Not Blowing Hard
Hey all,
I'm back for another problem that I can hopefully find an easy solution for. I have a 1997 F350 7.3. Recently had the A/C recharged and a new compressor installed. It blows ice cold and works great with one exception: after running for a while, especially on a hot day, it stops blowing hard. I can switch through all the modes and it works correctly and adjust the fan speed and I can hear the increase in air flow but cannot actually feel more air coming out. This is a BIG issue as the beast is my daily driver and temps are topping 100+ in my area. Although cold air is coming out, it is not coming out in high enough volume to cool the cab of the truck. I end up cooking in the hot sun. I have read that the cabin filter being clogged can cause this issue but not sure that the 97 has a cabin filter.
Any suggestions?
I'm back for another problem that I can hopefully find an easy solution for. I have a 1997 F350 7.3. Recently had the A/C recharged and a new compressor installed. It blows ice cold and works great with one exception: after running for a while, especially on a hot day, it stops blowing hard. I can switch through all the modes and it works correctly and adjust the fan speed and I can hear the increase in air flow but cannot actually feel more air coming out. This is a BIG issue as the beast is my daily driver and temps are topping 100+ in my area. Although cold air is coming out, it is not coming out in high enough volume to cool the cab of the truck. I end up cooking in the hot sun. I have read that the cabin filter being clogged can cause this issue but not sure that the 97 has a cabin filter.
Any suggestions?
Junior User
Joined: May 2013
Posts: 74
Likes: 0
I'm not to familiar with the 97 but I had the same problem on my 02. what happened in my case was over the years dust and dirt had accumulated on the heat exchanger plugging the fins. instead of disassembling everything to get to it I cut a hole in the housing so I could fit a shop vac in it to clean it all up. Then I cut a tin patch and screwed it on with a bit of silicon. it's hidden up in the dash so it doesn't effect the look of the truck.
If you know your blower is good it's blocked air flow. So either your heat exchanger is plugged or your filter is plugged.
If you know your blower is good it's blocked air flow. So either your heat exchanger is plugged or your filter is plugged.
Postmaster
Joined: Aug 2005
Posts: 4,728
Likes: 8
From: Cleveland, TN
No filter on this model.... don't waste your time looking for one....
Hotshot
Joined: Jun 2015
Posts: 12,831
Likes: 2,436
This was what happened in my Taurus. The a/c was good for a little while and then I would gradually lose airflow from the vents.
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