2003 Honda Civic Q&A
2003 Honda Civic Question: HOW TO PROPERLY CHANGE COOLANT FOR HONDA CIVIC?
u still low in coolant, let it cool down, open the radiator cap, and fill it up, start the car let it run till the thermostate open. add more if need it, and fill the resevor to a full line. - sheaffer
temperature guage goes down and when it is down car take more RPM to shift gear