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2003 s10 ac EVAPORATOR

mj1218mj on Wed July 10, 2013 9:29 PM User is offline

Year: 2003
Make: chevy
Model: s10
Engine Size: 4.3
Refrigerant Type: 134a

CAN ANYBODY TELL ME WHERE THE evaporator DRAIN IS I WENT TO A GM DEALER AND THEY DIDN'T KNOW I WENT ON LINE TO SEARCH AND CAN NOT FIND ANYTHING ABOUT WHERE IT IS ether I LOOKED ALL OVER IT AND CAN'T FIND IT MY AC NEVER SEAMS TO DRAIN ANY WATER OUT ???? THANKS,JOHN

GM Tech on Thu July 11, 2013 2:04 PM User is offline

it is embedded underevap case housing-- does your truck cool? will only drain under humid conditions....

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The number one A/C diagnostic tool there is- is to know how much refrigerant is in the system- this can only be done by recovering and weighing the refrigerant!!
Just a thought.... 65% of A/C failures in my 3200 car diagnostic database (GM vehicles) are due to loss of refrigerant due to a leak......

mj1218mj on Thu July 11, 2013 3:21 PM User is offline

YES COOLS GREAT I HERE WATER SOUND IN THE evaporator BOX SO I THOUGHT IT WAS NOT DRAINING EVEN ON HIGH humidity DAYS.. THANKS,JOHN

Olds442 on Fri July 12, 2013 12:11 AM User is offline

Find the drain hole and take a long plastic zip tie and poke it in the drain hole a few times to loosen up any leaves, sediment etc. and the case will drain out.

GM Tech on Fri July 12, 2013 7:15 AM User is offline

The drain is more like a slot as I recall..

-------------------------
The number one A/C diagnostic tool there is- is to know how much refrigerant is in the system- this can only be done by recovering and weighing the refrigerant!!
Just a thought.... 65% of A/C failures in my 3200 car diagnostic database (GM vehicles) are due to loss of refrigerant due to a leak......

mj1218mj on Sat July 13, 2013 12:29 PM User is offline

THANKS GUYS I FOUND IT IT IS almost TO THE FIRE WALL ON THE EVAP BOX BUT I THINK IT DOES NOT SEAM TO DRAIN A LOT IS because IT IS NEXT TO THE exhaust manifold AND GETS VERY HOT SO I THINK IT evaporates VERY quickly.. THANKS AGAIN,JOHN

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