OEM 2005 Toyota Sequoia Heater Control Valve

2005 Toyota Sequoia Parts Questions & Experts Answers

• Q: How to service and repair the Heater Control Valve on 2005 Toyota Sequoia?

  A: You need to start servicing the Heater Control Valve so drain engine coolant from the radiator yet maintain some coolant amount. The service of the water valve control cable starts with removing it from the water valve and this step should be followed by disconnecting the water hoses with a plier grip on each hose clip to slide it into position before removing the hoses. You must push the water hose onto both the heater radiator pipe until it reaches the second ridge and against the water valve pipe until it meets the valve body during installation. Unscrew the bolt first while removing the water valve before installing the new valve in the exact opposite direction of this procedure. Operation of the water valve can be checked after installation by turning the ignition switch to ON and setting the temperature control switches to "MAX. COOL" and "MAX. WARM." COOL" and "MAX. WARM." Test the heater radiator pipe operation by shutting off the control cable then switching the ignition to ON while adjusting the temperature control switches to "MAX." Connect the control cable to its clamp after setting the water valve lever to "COOL" and carefully push the outer cable onward in the indicated direction while locking the clamp.