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#1
05-24-2011, 08:58 AM
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A/C Shuts Off
89 300TE A/C works great for 15 to 20 minutes then shuts off. If I turn the engine off and wait 2 or 3 minutes and restart, A/C will run again for 15 to 20 minutes then shut off again. I am thinking its the pressure switch next to the drier. Any ideas????????? Its getting hot
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'05 Ford Escape 100,000 miles '87 560SL 92000 miles '89 300TE 199,000 miles '02 Audi TT 100,000 miles '00 Ford Excursion V-10 121000 miles '92 Mercury Capri 100000 miles '02 BMW 325XI 60000 miles '92 230CE 160000 '87 BMW 535SI 160,000 miles '93 Rinker Captiva 209 5 Kids 2 Dogs 1 Wife 
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#2
05-24-2011, 01:31 PM
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The system shuts down the compressor if the compressor speed sensor doesn't jive with engine RPM. Bad speed sensor, loose belt, seizing compressor could all be culprits.
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 90 300TE 4-M Turbo 103, T3/T04E 50 trim T04B cover .60 AR Stage 3 turbine .63 AR A2W I/C, 40 LB/HR MS2E, 60-2 Direct Coil Control 3" Exh, AEM W/B O2 Underdrive Alt. and P/S Pulleys, Vented Rear Discs, .034 Booster. 3.07 diffs 1st Gear Start 90 300CE 104.980 Milled & ported head, 10.3:1 compression 197° intake cam w/20° advancer Tuned CIS ECU 4° ignition advance PCS TCM2000, built 722.6 600W networked suction fan Sportline sway bars V8 rear subframe, Quaife ATB 3.06 diff
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#3
05-24-2011, 02:19 PM
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a/c shut down
any way to check the speed sensor and where is it located?
Thanks
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'05 Ford Escape 100,000 miles '87 560SL 92000 miles '89 300TE 199,000 miles '02 Audi TT 100,000 miles '00 Ford Excursion V-10 121000 miles '92 Mercury Capri 100000 miles '02 BMW 325XI 60000 miles '92 230CE 160000 '87 BMW 535SI 160,000 miles '93 Rinker Captiva 209 5 Kids 2 Dogs 1 Wife
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#4
05-24-2011, 11:34 PM
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You can ohm test the sensor at the compressor connector or climate relay. Don't remember the spec at the moment. Usually tricky to catch as it tends to go intermittent before it outright fails.
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90 300TE 4-M Turbo 103, T3/T04E 50 trim T04B cover .60 AR Stage 3 turbine .63 AR A2W I/C, 40 LB/HR MS2E, 60-2 Direct Coil Control 3" Exh, AEM W/B O2 Underdrive Alt. and P/S Pulleys, Vented Rear Discs, .034 Booster. 3.07 diffs 1st Gear Start 90 300CE 104.980 Milled & ported head, 10.3:1 compression 197° intake cam w/20° advancer Tuned CIS ECU 4° ignition advance PCS TCM2000, built 722.6 600W networked suction fan Sportline sway bars V8 rear subframe, Quaife ATB 3.06 diff
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Linear Mode
