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misia
Novice
Jun 24, 2009, 7:27 AM
Post #1 of 10
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Mazda MPV 01 A/C help
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My AC turns on and off short cycling. Fan blower is on all the time. Could compresser turn on and off because of over heating.
Thanks for help.
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Hammer Time
Ultimate Carjunky
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Jun 24, 2009, 8:00 AM
Post #2 of 10
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Re: Mazda MPV 01 A/C help
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Have you taken pressure readings? If not, that is the first thing you need to do. Use professional gauges with both high and low readings. Watch where the pressures are when it cycles off.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
(This post was edited by Hammer Time on Jun 24, 2009, 8:01 AM)
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misia
Novice
Jun 24, 2009, 8:17 AM
Post #3 of 10
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Re: Mazda MPV 01 A/C help
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I have just Walmart special gage and pressure looks OK.Ones compressor is on trows a lots of cold air.
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Hammer Time
Ultimate Carjunky
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Jun 24, 2009, 9:07 AM
Post #4 of 10
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Re: Mazda MPV 01 A/C help
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You can throw that gauge away. It's worthless. You need professional gauges to diagnose your problem.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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misia
Novice
Jun 24, 2009, 10:33 AM
Post #5 of 10
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Re: Mazda MPV 01 A/C help
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I have to buy.So it has to wait untill tommorow. Thanks
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Hammer Time
Ultimate Carjunky
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Jun 24, 2009, 10:42 AM
Post #6 of 10
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Re: Mazda MPV 01 A/C help
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Some of the larger auto parts chains like PepBoys or AutoZone will sometimes rent or loan tools like that. If you have to buy them, it would be cheaper to have a shop diagnose it for you.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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misia
Novice
Jun 24, 2009, 3:40 PM
Post #7 of 10
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Re: Mazda MPV 01 A/C help
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When car is cold AC works great but when temperature rich 181digre F problem starts.
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Hammer Time
Ultimate Carjunky
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Jun 24, 2009, 8:57 PM
Post #8 of 10
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Re: Mazda MPV 01 A/C help
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Try pinching off the heater hoses going into the firewall. If that makes it cool down, then the problem is hot air mixing with the cold inside.
This is controlled by an electric blend door motor under the dash that can have a problem.
Here's what it looks like
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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misia
Novice
Jun 25, 2009, 7:54 AM
Post #9 of 10
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Re: Mazda MPV 01 A/C help
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No.Compresor actually shuts off for 5 to 15 seconds turns on for five and so and so.
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Hammer Time
Ultimate Carjunky
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Jun 25, 2009, 8:26 AM
Post #10 of 10
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Re: Mazda MPV 01 A/C help
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OK then we need pressure readings as this is happening.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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