Isn't your truck a KW? Every KW I've ever been around had one set of valves for the cab and another for the sleeper. Usually found near frame rail somewhere near the water pump and oil cooler and the others would be closer to the firewall.
On mine I took the old shutoff valves off and replaced with ball valves from Ace hardware. Mine is an International so I only have one heater core for both cab and sleeper. The extra shutoffs are for the APU.
Heater Valve
Discussion in 'Trucks [ Eighteen Wheelers ]' started by deckeralliance, May 2, 2016.
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