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View Full Version : Heater Core Control Valve Delete?


240nessx
11-13-2011, 09:34 PM
Is it possible to remove this control valve, and block off that pinhole where the rod comes out?

rcdad123
11-13-2011, 10:24 PM
yes it is possible, but the heater core will always be hot, that would suck in the summer or during hot days.

240nessx
11-14-2011, 09:56 AM
i dont care if its hot during the summer, i just want heat during the winter.

jacobs13
11-14-2011, 11:42 AM
why would you want to remove that? You still have heat with it as long as its open

240nessx
11-14-2011, 07:49 PM
i dont have heat and im pretty sure its stuck closed, so by removing it, if i get heat i know thats my problem

jedi03
11-14-2011, 09:09 PM
try disconnecting ur heater hoses an run water through it...if flows freely will be open...if not stuck closed

jacobs13
11-15-2011, 12:30 PM
Did you not take that pic? Looks open to me. Just take it off and clean it out and out some lub on the hinge and put it back in so it works properly

240nessx
11-15-2011, 01:44 PM
Lol no I found that on google...ill try lubing it and cleaning it thanks.

EDacIouSX
11-17-2011, 06:15 AM
yea I need to fix mine too... let me know if that works for you

240nessx
11-21-2011, 07:56 AM
I disconnected the heater hoses and ran water through both sides. No blockage either way, so its not the control valve.i also disconnected the top and lower heater hose while the car was running and coolant was running through the heater core so its not air locked. Now I'm really stumped. You can hear the blend door moving and hear the sound difference. But the temp stays the same.

jedi03
11-21-2011, 08:35 PM
if you have electric fans install controller that will turn them off so your motor can heat up

240nessx
11-22-2011, 06:11 PM
i have a clutch fan...but i held that stopped to heat it up...and still no heat

jedi03
11-23-2011, 07:43 PM
leave ur rad cap off while running the car...see if it bubbles as it runs...if so you got a bad headgasket..if not you may have block in ur lines somewhere