Question about 2003 Mitsubishi Diamante
In the junction block, 30A MULTI-PURPOSE FUSE 2 could be open or the blower relay could be defective. Another possibility is that the power transistor associated with the A/C ECU could be defective.
Posted on Dec 03, 2016
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Posted on Jan 02, 2017
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
thats nothing really to worry about the heater is use untill the exhaust gas is hot. like 400 degrees or somthing, thats were O2 sensors work the best. only for emmisons. won't effect your cars proformance
Posted on Apr 18, 2009
You're going to lose some coolant, so have a bucket or other container ready. Follow the upper radiator hose to the point where it's connected to the engine. The hose is clamped to a metal housing which is bolted to the engine. Remove the bolts (not the hose) and lift the housing to expose the thermostat (may require a little prying with a screwdriver or similar tool). Note how the old thermostat is fitted (which end is up), lift it out of the engine, and then remove all traces of gasket from the housing and the engine. Install the new thermostat and gasket, replace the bolts, add coolant as necessary, and you're done.
Posted on Jan 04, 2010
bs it is in the back under the seat dont comment if you dont know
remove four screws pop plate off and there it is it took me 25 mins to change fuel pump beat that
Posted on Jan 19, 2010
There is an electric motor that turns heater core on and off. It's located under the dash to the left of the glove box. Some disassembly required. The part will cost about $120 to $180. part number is #MR958603.
Posted on Mar 17, 2010
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