A/c problem here
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New User
Joined: Jun 2018
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A/c problem here
Hey new to the group thanks for the add i drive a 2010 ford f150 5.4 v8 ok so let me tell u alil bit about my problem i just replaced my a/c condenser and went to take it to the shop to get recharged ok he told me there were no leaks in the system to it held charge i was like ok sweet it blew cold then as i started to run it it would go cool and so i got home popped the hood open and looked at the a/c clutch it would engage then disengage i did check the fuse and relay they were good so any idea much appreciate it thanks
Elder User
Joined: Jan 2010
Posts: 790
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From: Ontario, OH
Was it still blowing cold air when the clutch was disengaged? The A/C compressor will not be engaged constantly when you are running your A/C. it cycles on and off depending on how much cooling is needed.
More Turbo
Joined: Jun 2014
Posts: 718
Likes: 92
From: Asheboro, NC
Does your truck have the A/C thermistor temperature thingy behind glove box? It might be worth doing the jumper resistor thing just to see what happens or if anything changes.
https://www.ford-trucks.com/forums/1...-solution.html
https://www.ford-trucks.com/forums/1...-solution.html
Junior User
Joined: Jun 2018
Posts: 53
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Here's all the diagrams and A/C parts for a 2010 Triton 5.4
I was looking for a long filter type thing that can sometimes get clogged up. I can't remember the name of the little screen. I thought it was called "expension" something, but can't remember. I could be wrong. I don't know the 5.4L has this. I could not identify it properly from the above parts list. Sometimes if the vehicle is old, I'll end up replacing a lot of those old parts and have the system re-charged with Stop Leak that you pre-mix with the A/C oil. My dad used to run a mechanic shop before he retired. He fixed over 1,000+ cars with that stop leak stuff where nobody else would ever use it. He said in over 20+ years of using it, not a single customer ever came back complaining of their A/C system not working.
I was looking for a long filter type thing that can sometimes get clogged up. I can't remember the name of the little screen. I thought it was called "expension" something, but can't remember. I could be wrong. I don't know the 5.4L has this. I could not identify it properly from the above parts list. Sometimes if the vehicle is old, I'll end up replacing a lot of those old parts and have the system re-charged with Stop Leak that you pre-mix with the A/C oil. My dad used to run a mechanic shop before he retired. He fixed over 1,000+ cars with that stop leak stuff where nobody else would ever use it. He said in over 20+ years of using it, not a single customer ever came back complaining of their A/C system not working.
Thread Starter
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New User
Joined: Jun 2018
Posts: 3
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A/c problem
Does your truck have the A/C thermistor temperature thingy behind glove box? It might be worth doing the jumper resistor thing just to see what happens or if anything changes.
https://www.ford-trucks.com/forums/1...-solution.html
https://www.ford-trucks.com/forums/1...-solution.html
Super Moderator
Joined: Aug 2003
Posts: 25,479
Likes: 742
From: Isanti, MN
What made you replace the condenser to begin with?
It almost soinds like a clogged expansion valve to to me.
It almost soinds like a clogged expansion valve to to me.
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Junior User
Joined: Jun 2018
Posts: 53
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I believe that's what I was thinking. Those little expansion valves that look like a wire mesh. They are not expensive to replace. But when you pull it out, you need to have the entire system vacuumed out and re-charged. So it's a good couple hours of work.
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