Join Date: Sep 2019
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Is there a way to clean the AC evaporator through the drain?
With the Tundras having such an odd shaped AC drain hole and in such an odd location is there a method to foam clean the evaporator and box through drain hole?
If not is there a method to plug the drain line, then drill into the evaporator box and foam through that hole? Of course the hole in the evaporator box would need to be plugged after the cleaning.
The reason I ask is because most foam cleaners need to be left to expand and then “work” on the evaporator before flushing so they are usually pumped in from the drain line under the vehicle. The tundra doesn’t seem to be set up to hold the foam long enough for the cleansing action.
(I have tried the Lysol method through the intake at the base of the windshield and through the fan box with the new cabin filter temporarily removed. I have ran just the blower the last few minutes before arriving at my destinations. Never the less Always I still have a slight musty smell at first startup)