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Newcomer Registered: April 17, 2008
Posts: 1
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I have a 2001 130" US Coach Works the a/c in front works fine the rear just blows warm air. We found no power to the solenoid on the high side line. The tech for mastercon is on vacation so cant get any info from them as far as where to start digging. All the fuses on the board are good. If i check the wires to the solenoid with test light connected to ground it dosent light up but if i connect it to power and check the wires then it does light up. So i am wondering if it might be a shorted relay or if anyone has any other suggestions. The controls are a mastercon elite module mixm30 serial # 9747. Any help would be appreciated
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Participant Location: OBX
Registered: October 29, 2007
Posts: 37
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My 2001 Cadi built by US is also a problem. A chevy dealership replace a valve for the rear AC a while back. Had a major engine prob(120,000 mile) so I put in a new used one(40,000 miles). The shop put the accessories on the new engine. Now the AC compressor went,bad wires shorted out and can not be replaced. So a new one is on it. Dealership found a leak in a high press hose for the rear and is now calling MTG to get parts to splice the hose. Once I get this done the car is going up for sale.
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Limo Protege Location: Fort Mill, SC USA
Registered: April 27, 2001
Posts: 225
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I had this problem and the expansion valve was bad. Evscuate the system, Replace the dryer and orifice tube and put new o-rings in. Pull a long vacuum, 45 minutes and then refill with 4.5-4.8 (or whatever is pulled out of the system) lbs of R134. I do this as a precaution every year.
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