Question about 2001 Mitsubishi Diamante LS
I am looking at buying an 01 Diamante but the heater core o-rings leaked and now the car wont start, the owner said that he thinks it is the starter relay. Could it be something else and how coould I check the relay before buying a new one and going to all the work to install it? Can anyone tell me how to find the relay and also how to change the heater core o-rings without a lot of work?
I'd steer clear of this one. The starter problem could be anything, regardless of what he 'thinks'. It could be a starter, it could be wiring, it could be the ignition switch, or it could even be the relay (the cheapest and easiest to replace, which is why I suspect he 'thinks' it's the problem).
The heater core is your greater concern. There are no o-rings in the heater core itself. If the heater core is leaking it must be replaced. There is a heater shut off valve under the dash and there may be o-rings where that is plumbed in. The actuator for the heater shut off valve is reportedly prone to failure. In either case, heater core or shut off valve, it's a pain to get to, requiring dismantling or removing the dash, and will probably be quite expensive to replace unless you're really handy and mechanically inclined.
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Posted on Jan 02, 2017
The Batt does not have a full charge or it is the wrong cranking AMP's for the car... find out if it is the right Batt and also that it is put on a "slow charge" over night or at least 6 hr's
Posted on Jan 20, 2009
SOURCE: what is the easiest way
2002 diamante heater core sits in center of the dashboard just over the on board computer for the car. To access it you need to take out the console between the seats and the entire dashboard to get to it. The only thing wrong with the heater core is the leaking gaskets (about $10 in parts). Mitsubishi knows about the problem and when the dash is taken apart you will see a plastic sheet over the onboard computer to somewhat protect it from the leaking heater core gaskets. So the expense in the repair is in the labor to get it all apart and back together again. The dealers seem to replace entire heater core when they fix this problem. I did just the gaskets and that solved the problem. I have read others who did it themselves only replaced the gaskets and that solved it for them as well. Maybe the dealers think you will feel better replacing a larger part for so much labor.
Posted on Feb 18, 2009
Has this symptom occured several times or just a one off? If the trans works OK I wouldn't mess with it.You know what they say about sleeping dogs! I think Mitsis are not that strong in the auto trans department
Posted on May 16, 2009
code 304 is number 4 cyl,check the plug insulator for white(arch) markings-if you see any markings replace the insulator
Posted on Aug 31, 2009
the dealer quote is over a grand, but from my understanding you can remove the glove box compartment and not have to go through the whole dash being taken apart.. not an hours job by any means but supposebly doable..
Posted on Dec 09, 2010
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