Hey all,

I'm getting vulcan blood (coolant) dripping from this little device. I have a extensive repair manual, but I can't seem to find what this part is so I can order a replacement. Does anybody have any idea? It's in the engine compartment to the left and rear of the engine, with coolant hoses connected to it. Thanks!

Trevor

 

Sometimes called Heater Control Valve or Heater Bypass Valve. Factory ones start leaking about every 10 years, aftermarket usually more often.

Be careful - there are two kinds - the 2-hose version (shut off) or 4-hose (bypass) like yours. Varies by engine and year.

 

Excellent, thanks!!