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I have an 03 SXT and the hose running from the main heater core to the rear heater core for the DCC is leaking. Has anyone run into this problem and how did you repair it? I know its that hose because i used the HVAC dye and it lights up bright green under the UV light.
 

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CB:
Where along that line is the leak? You can bypass the hose until you can repair or replace it. If the leak is near/over the passenger side engine area, your aux coolant pump may the the culprit. Again, you can bypass it until you can replace, or as some do eliminate it all together. The pump only runs at speeds lower than 17 mph to make sure coolant gets to the back.

Don
 

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Not having made such a repair, does it look like you can get in there easily? At any rate, at least you have a visual on the issue. While you're at it, has the system ever been serviced as in flush/refill with new coolant? If not, this; is a great time to do that.

Don
 
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