Question about 2000 Nissan Altima

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Air Conditioner Drain Clogging Up

Hi, on 09/01 you mentioned to someone that their air conditioner drain might be clogging up & dripping on their ECU, thus frying it up. This has indeed happened to me.

Do you know how to get the drain fixed up again?

I don't want to put another ECU in there to have it fried by the same problem!

WALKING in Memphis

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  • bizriak Oct 20, 2008



    OK, so how do I pull the evaporator box out?

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  • Nissan Master
  • 705 Answers

You will need to pull the evaporator box out of the car and remove what ever is in there at the drain tube clogging it up. It could be bunch of pine needles or it could be mouse nest stuff in there causing the clogg. You will not know until you take it out. Or instaed of taking it apart, blow compressed air into the drain here and there to keep it open. But that's no garantee way of doing this. Take it apart would be the right way. You could install some kind of a screen on the car air intake which is below the wiper cowling, to prevent mouse from getting into the air duct system and I would also check inside the blower motor housing for any debriss inside of there. So good amount of work if you want to get this done right. Good luck.

Posted on Oct 19, 2008

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