Problem with A/C - Ford Powerstroke Diesel Forum
 
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post #1 of 4 Old 06-19-2014, 04:58 PM Thread Starter
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Problem with A/C

A/C will run fine for a while than blow warm. Compressor not running. Checked pressure levels and they were fine. Bypassed the low pressure switch with no change. Is there a relay for the compressor clutch? I looked thru the owners manual and did not see anything. Any ideas? I can turn the A/C off for a short amount of time and the compressor will run when I turn it back on.
Thanks
Dave

Dave
02 F350 CCLB Lariat 4x4 auto
250,000 on the clock
dieselsite trans filter coolant filter
diy ccv catch can with return line
6637 filter
Stancor GPR
6.0 tranny cooler
4" Diamond Eye K4318S-RP exhaust
riffraff regulated return
dual alt.style upper rad. hose
05-07 head light mod
PHP Hydra
Alliant Power 160 single shots
WW2
HPOP hoses and cross over hose from Corey
3 gauge A pillar gauge pod with EGT, trans temp and boost gauges. Autometer ford matched gauges.
glow plug light installed in gauge pod.
A/C mod
Banks Exhaust brake and Smart Lock
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post #2 of 4 Old 06-19-2014, 05:39 PM
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The air gap on the clutch is to wide. Take the 8mm bolt out of the center and pull the outer part of and there should be shims behind it, remove the shims and reinstall and I bet it works. Had the same thing happen on my truck.

2001 f250 4x4
319,000 miles and counting.
6637 intake, 4 inch MBRP exhaust,gauges,203 degree therostat, leveling kit, transgo tugger kit, front and rear mag-hytec diff covers, more to come.
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welove2drive (06-20-2014)
post #3 of 4 Old 06-19-2014, 07:03 PM
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i second that.
the magnet can't keep the clutch fully engaged.
if you lessen the gap it should be able to keep the clutch engaged.

99.5 f250 7.3 4x4 258k
PHP Phoenix, S&B CAI, 4" TBE, Hpx, Stancor, RR Billet Wheel, AIH Delete, Autometer Gauges, Leveling kit, Transgo kit, Warn Hubs, Int'l Up-Pipes, RR IC Boots, Non-Ebpv Pedestal, High Flow Outlet, RR OCR, 08 Tow Mirrors.

Dad-2000 7.3 109k miles, Autometer Gauges, Superchips 1705, AIH Delete, 6637, 4" TBE, BD Billet Wheel, TruCool Max
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welove2drive (06-20-2014)
post #4 of 4 Old 06-20-2014, 11:30 AM Thread Starter
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Did some more checking. Took a test light with me so when it went out I could check to make sure there was power to the clutch. There was. Bumped the face of the clutch with tip of the test light a couple of times and the clutch engaged again. Looks like it is time for a clutch or remove the shims and live with it.
Thanks guys.
Dave

Dave
02 F350 CCLB Lariat 4x4 auto
250,000 on the clock
dieselsite trans filter coolant filter
diy ccv catch can with return line
6637 filter
Stancor GPR
6.0 tranny cooler
4" Diamond Eye K4318S-RP exhaust
riffraff regulated return
dual alt.style upper rad. hose
05-07 head light mod
PHP Hydra
Alliant Power 160 single shots
WW2
HPOP hoses and cross over hose from Corey
3 gauge A pillar gauge pod with EGT, trans temp and boost gauges. Autometer ford matched gauges.
glow plug light installed in gauge pod.
A/C mod
Banks Exhaust brake and Smart Lock
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