AC stops 15min into drive - Ford Powerstroke Diesel Forum
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post #1 of 11 Old 07-17-2012, 02:29 PM Thread Starter
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AC stops 15min into drive

My ac works great at idle and going down the road for about 15min and then the clutch on the ac pump kicks out. the freon pressure seems good at idle but when u rev it up to 1500 it drops down about 10 psi. the pump is sweating and making water like it should until you run it down the road for 15mins crusing.

any ideas?
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post #2 of 11 Old 07-17-2012, 03:41 PM
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Sounds to me like you're low on gas.... (10psi is too low)
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post #3 of 11 Old 07-17-2012, 03:44 PM Thread Starter
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no its at 37 idleing and 27 reved to 1500
10 psi less is what i meant
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post #4 of 11 Old 07-18-2012, 11:31 AM
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replace the compressor clutch or shim it.
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post #5 of 11 Old 07-18-2012, 11:42 AM
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Quote:
Originally Posted by Jerry@tx View Post
replace the compressor clutch or shim it.
Yep, what he said. Have seen those exact symptoms on several vehicles and after replacing the clutch (easy to do) it worked fine.

NAME: Justin


A little bit of this and a little bit of that. I want a lot more of this and a lot more of that It never ends!
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post #6 of 11 Old 07-18-2012, 12:21 PM Thread Starter
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Thanks guys after doing some researching I came to the same conclusion and plan on doing that tonight.
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post #7 of 11 Old 07-18-2012, 03:26 PM Thread Starter
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Had to take the spacer completely out to get the correct clearance. Going to need to replace the clutch soon.
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post #8 of 11 Old 07-19-2012, 01:35 PM
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the price difference for the clutch and whole compressor is only 30bucks difference at o'rilley
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post #9 of 11 Old 07-19-2012, 04:12 PM Thread Starter
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Yeah but my compressor works great and don't want to have the system vacuumed and refilled when that's not an issue. My brother in law gets a discount at o'rilley's so he may be able to get it for less.
ac worked for my entire drive today.
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post #10 of 11 Old 07-19-2012, 05:56 PM
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http://springerpop.net/F350/air_gap.html

Try this. Worked great for me and I was having the exact same issues..

Sent from my DROIDX using AutoGuide.Com Free App

Cody Ryan
03 f250 ccsb fx4 7.3
4" RC lift
35x12.50 federals on 20x12 rockstars
6637 intake, straight pipe
full RR w/ fuel bowl delete.
rebuild coming soon


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