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Mitsubishi Diamante Maintenance and Repair

82 messages,  Last post on Nov 22, 2009 at 10:17 AM

You are in the Mitsubishi Diamante Forum. Your Hosts are pat & karens

What is this discussion about? Mitsubishi Diamante, Heating / Cooling, Sedan


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#64 of 82
Re: Diamante A/C [Mr_Shiftright] by danno4
Jun 23, 2008 (9:32 am)
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Replying to: Mr_Shiftright (Jun 20, 2008 10:57 am)

Okay , I'll check that but I assumed (I know ) that if the refrigerant was low , I wouldn't get cold air when it does come on. I'll check it though and get back to you. Thanks.
Dan
#65 of 82
Re: Diamante A/C [danno4] by 97diamante
Jul 26, 2008 (4:06 pm)
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Replying to: danno4 (Jun 23, 2008 9:32 am)

The system has a dual pressure switch. It senses both too low a pressure AND too high a pressure. On very hot days the pressure can get very high and shut the compressor down for a while. On colder days the pressure tends to be lower and the low pressure function will shut the compressor down for a while.
Of course the design should cope with temperature extremes.
 
IF the expansion valve is contaminated or there is some moisture in the system, you can have a good low pressure reading on your fill gauges, but when the day is hot, the expansion valve becomes too restricted and the compressor pressure rises too much. Bang, it shuts down.
Conversely, if you lower the pressure by bleeding to avoid this over-pressure, then on cooler days the low pressure switch does its thing.
 
Sounds like you need COMPETENT professional help.
#66 of 82
O@ Sensor by bill208
Aug 26, 2008 (5:55 pm)
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Needs replacing. $385 at the dealer. Checking at autopartswarehouse there are different locations before/after catalytic, left/right front, left/right rear. From 50 to 300$ How do I tell what's what?
#67 of 82
Re: Diamante A/C [97diamante] by bill208
Aug 27, 2008 (8:14 am)
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Replying to: 97diamante (Jul 26, 2008 4:06 pm)

Thanks. The competent professional help is pay $385 and we will fix it. In checking online, autopartswarehouse.com there are 30+ versions (from $74-$370) of the sensor depending on where it's located before/after catalytic, right/left. I know it's got to be easy to replace and I used to wrench cars before they became so computerized. If I'm looking into the engine compartment is the right side the drivers side or is it opposite that as if you are sitting in the drivers seat?
Thanks
#68 of 82
O2 Sensor by bill208
Aug 27, 2008 (2:10 pm)
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Dano4,
Thanks. Is there more than one sensor on the Daimante VR X 2002 or am I over thinking this?
#69 of 82
My Diamante feels like it's swerving on left turns by mdc4
Nov 29, 2008 (8:23 pm)
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I've not noticed this in the past but recently each time I'm driving on a fairly curvy highway, my Diamante feels like it's going to swerv out of control on tight left hand curves. It never does this on right hand turns at all. I've had the tires rotated but that didn't seem to improve anything. Any ideas would sure be appreciated.... Thanks!
#70 of 82
Re: My Diamante feels like it's swerving on left turns [mdc4] by Mr_Shiftright HOST
Nov 30, 2008 (6:32 am)
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Replying to: mdc4 (Nov 29, 2008 8:23 pm)

Well you're loading up the right side suspension and it apparently is not happy. So I'd be looking at a blown right side strut/shock, a severe misalignment issue or a worn suspension part such as ball joint, tie rod, etc.
#71 of 82
Re: My Diamante feels like it's swerving on left turns [mdc4] by diamoney
Nov 30, 2008 (8:44 am)
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Replying to: mdc4 (Nov 29, 2008 8:23 pm)

Actually, I can tell you exactly what it is. It is the rear knuckle-bushings.
They are a typical wear part on these cars, and only these cars.. I know, it sucks.. but also know that if you do not repair these you will tear through tires like nobody’s business..
Unfortunately, you have to go to the stealership for repair, or a specific mits guy, otherwise they will mis-diagnose you with, alignment, shocks/struts, bearings, and the like. I think it ran me about $350-$400 (us) and that included an alignment.
good-luck.
#72 of 82
Re: My Diamante feels like it's swerving on left turns [diamoney] by Mr_Shiftright HOST
Nov 30, 2008 (6:22 pm)
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Replying to: diamoney (Nov 30, 2008 8:44 am)

OH YEAH--I didn't think about that. Cadillac owners know all about bad knuckle bushings and the symptoms. (I assume you mean bushing on the A-arms?)
 
You could be right. If those are worn, they could have those effects.
#73 of 82
WHY DOES MY A\C CONTROL PANAL BLINK AND I HAVE NO A\C OPERATION by fixitstevi
Jun 20, 2009 (8:40 pm)
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I HAVE A MITSUBISHI DELMONTE.IT STARTED LIKE THIS,MY SCANNER COULD SEE A\C SWITCH AND A\C COMPRESSOR ACTIVE WHEN I PUSH THE BOTTON IN BUT NO OPERATION TO COMPRESSOR CLUTCH.I CAN ENERGIZE GROUND SIGNAL AT COMPRESSOR RELAY BUT STILL HAVE NO COMPRESSOR OPERATION,THEN I NOTICED A\C LIGHT BLINKING.IS THER NA RPM SENSOR ON THIS MODEL OR AM I OFF TRACK.ITIS FULL OF FREON.ANY HELP WOULD BE APPRECIATED ,THANKS

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