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Mitsubishi Diamante Maintenance and Repair

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

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

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#60 of 82 Heater Core -- 2002 Diamante by siucory Mar 09, 2008 (5:12 pm)
I'm considering buying a 2002 Diamante with 66k on it. The current owner mentioned heat didn't come out of the vents. He wants $9000 for the vehicle.   Being in Arizona, having heat isn't an issue. However, can this possible bad heater core (which from my research, it is what it sounds like) lead to further issues?   I've noticed to replace it (assuming that is the issue here) is quite pricey.   Thanks for any help.
#61 of 82 Diamante A/C by danno4 Jun 20, 2008 (9:46 am)
#62 of 82 Diamante A/C by danno4 Jun 20, 2008 (9:52 am)
It doesn't look like too many people use this forum anymore but here goes. I have a 1992 Diamante with 150,000 miles on it and it has an intermittent A/C problem. Sometimes it works and sometimes it doesn't . When it works it is very cold so I assume the refridgerant is okay. I did have the car with me when I was stationed in Bahrain (middle east) and it started doing it then. The Mitsubishi dealer there told me it was the A/C controller so I found one thru an internet junk dealer and tried it and it do any good, the symtoms changed, so I got another one and that didn't do any good either. Short of taking it back to a dealer, anyone have any ideas as to what it might be.   Dan Replies to this message: Mr_Shiftright (Jun 20, 2008 10:57 am) danno4 (Jun 23, 2008 9:32 am) 97diamante (Jul 26, 2008 4:06 pm) and 1 more...
#63 of 82 Re: Diamante A/C [danno4] by Mr_Shiftright HOST Jun 20, 2008 (10:57 am)
Replying to: danno4 (Jun 20, 2008 9:52 am) I'd certainly check the refrigerant level. If it drops to a certain pressure, it will turn off the AC compressor clutch. Replies to this message: danno4 (Jun 23, 2008 9:32 am) 97diamante (Jul 26, 2008 4:06 pm) bill208 (Aug 27, 2008 8:14 am)
#64 of 82 Re: Diamante A/C [Mr_Shiftright] by danno4 Jun 23, 2008 (9:32 am)
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 Replies to this message: 97diamante (Jul 26, 2008 4:06 pm) bill208 (Aug 27, 2008 8:14 am)
#65 of 82 Re: Diamante A/C [danno4] by 97diamante Jul 26, 2008 (4:06 pm)
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. Replies to this message: bill208 (Aug 27, 2008 8:14 am)
#66 of 82 O@ Sensor by bill208 Aug 26, 2008 (5:55 pm)
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)
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)
Dano4, Thanks. Is there more than one sensor on the Daimante VR X 2002 or am I over thinking this? Replies to this message: tribe1 (Oct 04, 2009 1:27 pm)
#69 of 82 My Diamante feels like it's swerving on left turns by mdc4 Nov 29, 2008 (8:23 pm)
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! Replies to this message: Mr_Shiftright (Nov 30, 2008 6:32 am) diamoney (Nov 30, 2008 8:44 am) Mr_Shiftright (Nov 30, 2008 6:22 pm)

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