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Diamante anti freeze leaking on floor

Old Jan 31, 2010 | 07:12 PM
  #1  
dannyc's Avatar
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Default Diamante anti freeze leaking on floor

I hope I am in the correct place to post this request . . . I have a 2003 Diamante and anti freeze is leaking on the passenger floor. Any ideas as to what could be causing this, and how to correct the problem?

Thanks,

dannyc
 
Old Feb 2, 2010 | 09:31 AM
  #2  
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dannyc,

Well, I would start with looking back in the history of the Diamante threads. I've and several others have posted numerous times on heater core gasket issues. I say H/C gasket issues because, ultimitaly that's probably what you have.

Let us know what year is your car?
Do your windows fog up in cold weather w/ defrosters on?

1.
I'm not a mechanic. So, you do what you want after the following reccomendations.
The route I took was to replace the old heater core GASKETS. I got mine right from the dealer $3.00 each. It took me about 10 hrs. Probably because I checked my work 3-4 times. Again I'm not a mechanic so, I wanted to be absolutly sure I was doing everything right. It might take you less time if you go this route. I have posted really good instructions on this procedure. I did not come up with the procedure that I posted. It worked out great for me. With this method you will need to discharge/recharge the A/C system. I guy charge me around $80.00.

2.
The second option you'll see on the forum is putting stop leak in the radiator. In the past I've seen several different mentions of several different kinds.

Again, I want to point out. I'm not sure if you have a H/C gasket leak. Allthough, if you go back to the older threads. You will probably have better idea troubleshooting your problem.

Goodluck.
 
Old Feb 6, 2010 | 05:06 PM
  #3  
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Hi, it's not a head gasket. It's your o-rings on your heater core.

I have two VR-Xs, they both did it. All diamantes will do it.

The book at Mitsu says it's an 8 hour job. You're looking at about 800 bucks or so at your average mitsu place for the job.

Once you get the o-rings replaced with new ones that don't corrode with any introduction to anti-freeze, it'll stop.
 
Old Feb 12, 2010 | 12:26 PM
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dannyc,

I'll clear one thing up. I didn't feel like writing heater core gasket. I made it H/C gasket. Not to be confused w head cover gasket.
If you did the repair, or attempted the stop-leak. Let us know..........

https://mitsubishiforum.com/forum/sh...ad.php?t=29920

That is the link to my Heater core thread.
 
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