Anyone tell me what they used to do the heater core bypass. A couple of y-valves would work wonders but where to get??
Thanks JRE
Heater core bypass 92 k1500
May 05, 2004
1 Replies
Are you wanting to bypass the heater core to improve ac performance? If so, first try just clamping the heater core inlet hose off with a C-clamp. Use a small piece of wood on each side of the clamp. I found bypassing the core didn't make a noticable difference on a S10. Also on some setups, the heater flow circuit is the bypass for when the thermostat is closed.
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