2013 Chevrolet Spark
Mileage
48,173
Service Date
10/17/2025
Services Performed
- Scanned for codes, found P0597- Coolant Thermostat Heater Circuit. Tested all the wiring for the coolant thermostat heater & everything tested good. Installed a 3 amp fuse jumper wire between the control circuit on terminal 2 and the ignition circuit on terminal 1, commanded control module E41 for the engine coolant thermostat heater on with a professional scan tool. Scan tool was displaying a malfunction with the coolant thermostat heater. Recommend replacing the thermostat housing assembly, customer approved.
- Drained coolant into a clean bucket & removed hose clamp connected to the thermostat housing. Removed thermostat housing hardware & coolant hose connected to the thermostat housing. Removed thermostat housing & installed new thermostat & housing. Torqued hardware to specification & assembled hose clamp in the same orientation. Also removed and replaced coolant expansion tank due to leaking top port. Vacuum tested cooling system & vacuum filled cooling system. Pressure tested cooling system to ensure no leaks are present. Test drove the vehicle to ensure the cooling system is functioning properly.
- Drained oil and removed filter. Installed premium oil filter and refilled with 0W20 synthetic oil. Confirmed oil level and reset oil monitoring system. Performed visual inspection of the vehicle & found the engine air filter severely dirty. Recommend replacing air filter, customer approved replacement. Removed & replaced engine air filter.
Wyatt T. gave our service a 5 star review on 10/18/2025