Having problems with your 1997 Mazda MX-5 Miata ?

When i have air conditioning on leaks into passenger floorboard 1997 miata

\015 Only if it's on for an hour or more\015 Posted / edited by AnonymousUser on : 22-01-2018

Answers :

That is due to the condensation on the evaporator it drains into the heater box and then flows out of the drain.This is common, the drain is plugged up, the hard part is locating it, sometimes it is behind a heat shield for the exhaust, you may have to look from under the car but try to locate it from the top first.
The drain is located on the passenger side of the car popping out the fire wall at the bottom. most times there is a rubber boot on the end with a flap door. you will need to first locate it and use a coat hanger to gentle stick into drain and wiggle, the water will start to run out but first locate it then run a/c to build up water. this will help flow out any dirt .

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