Kenworth Heater Control Valve Location - No special tools needed for installation. You won't get ice cold because it mixes to prevent evaporator ice up and cracked windshiels. Bad vacuum pod, try using a mini vacuum and the on the valve block behind the. 8707310, bsm870731, 2499082, 1515, 2397,. Hvac heater control valve (74011) by four seasons®. Products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix. So these a/c systems have a water control valve on the coolant lines that are on the firewall. These lines feed the heater core that's in the cab. There's an actuator that controls the water. I tested the voltage at the actuator plug and eliminated the controls. Removed the actuator and tested it with a 9v battery as shown on utube and it was bad. Anyone know where i can get wiring diagrams for a kenworth t370 2025? I have one that is stuck on heat and both the water control valve and control panel are known good. I have just replaced my heater control valve in the bunk of my kw. 2025 kenworth 4900sf with a detroit vin: The relays will be in the fuse panel on the firewall, under the hood. Do you have fault. Make sure the purge valve will open and close as needed to purge dirt and water. Shop kenworth heater control valve actuators.
No special tools needed for installation. You won't get ice cold because it mixes to prevent evaporator ice up and cracked windshiels. Bad vacuum pod, try using a mini vacuum and the on the valve block behind the. 8707310, bsm870731, 2499082, 1515, 2397,. Hvac heater control valve (74011) by four seasons®. Products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix. So these a/c systems have a water control valve on the coolant lines that are on the firewall. These lines feed the heater core that's in the cab. There's an actuator that controls the water. I tested the voltage at the actuator plug and eliminated the controls. Removed the actuator and tested it with a 9v battery as shown on utube and it was bad. Anyone know where i can get wiring diagrams for a kenworth t370 2025? I have one that is stuck on heat and both the water control valve and control panel are known good. I have just replaced my heater control valve in the bunk of my kw.