Genuine Toyota Matrix Thermostat

Toyota Matrix Thermostat Parts Questions & Answers

• Thermostat
  90916-03129
  Q: How to Replace the Thermostat of Cooling System for your Toyota Matrix?

  A: Do various checks, check the coolant level, and the drive-belt tension, and the temperature gauge. The previous information will help you determine if the thermostat is faulty or not. If the engine fails warm up it can be that the thermostat is stuck open but if the engine runs hot and the radiator hose does not heat up the engine may overheat. To remove the thermostat, start by detaching the battery negative terminal and draining the coolant. Detach the alternator as well as the thermostat housing from the engine. Gently remove the thermostat and clean the sealing area. Install the housing, refill the cooling system, run the engine, and check for any leaks. Once you complete the replacement procedure, You should feel the radiator hose and if it is warm, that means that the coolant is flowing properly.