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Heater core bypass electronic valve

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darylrobert
Posts: 432
Joined: 13 Jul 2010, 23:16
Year and Model: V70 240 740t xc70
Location: Australia
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Post by darylrobert »

Problem: air that comes out of vents is warmer (@ 5-10c) than outside air. Not always ideal to use air conditioner or opening sunroof/windows.

Passengers ask "have you got the heating on, im hot"

Ive tested the flap valves and i think they close fully but i think its still leaking hot air, i really cant see inside.

Has anyone bypassed the heater core similar to the older volvos ? i cant think of anything else that would heat the air so consistently other than the heater matrix/core.

Here is a electronic valve i plan to test my theory. i think its a simple on/off switch

https://thermotion.com/4-port-electroni ... -354-69694
heater core bypass valve
heater core bypass valve
heater core bypass.jpg (68.02 KiB) Viewed 1046 times

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