OEM 2004 Toyota Matrix Thermostat

2004 Toyota Matrix Parts Questions & Experts Answers

• Q: How to replace the thermostat on 2004 Toyota Matrix?

  A: The procedure to replace the thermostat starts by removing the engine under cover RH with coolant draining. The same step entails the elimination of the fan and generator V-belt. Before continuing disconnect the wire clamp from the wire clip installed on the rectifier end frame. Then remove the rubber cap and nut followed by unclipping the alternator wire while finally disconnecting the alternator connector and removing two bolts to separate the alternator assembly. Begin by taking out the water inlet before extracting the thermostat. Set the new thermostat at a correct position while laying its gasket and orienting the jiggle valve upward. Secure the water inlet by tightening it to 11 Nm torque (113 kgf-cm, 8 ft.lbs). For both 12 mm and 14 mm head bolts use 25 Nm torque setting of 250 kgf-cm for the first and 54 Nm of 550 kgf-cm for the second bolt. The last step involves coolant addition while inspecting for any signs of leakage.