Thursday, September 15, 2011

Have a nissan quest 1999 just changed thermostat has plenty of fluid, but still blows cold air.?

engine is now over heating.
Have a nissan quest 1999 just changed thermostat has plenty of fluid, but still blows cold air.?
Quest has a bleeder screw on top the manifold and technicians will lift the front of the van up to aid in burping the air out of the system. I also use a tight fitting funnel to raise the water even higher %26amp; run the heater knob turned to hot. Be very careful the motor will splash out hot coolant quickly if there is air in the engine.
Have a nissan quest 1999 just changed thermostat has plenty of fluid, but still blows cold air.?
these vehicles are very hard to get the air out of the coolant system you have to burp it a lot i had to take mind to the dealer nothing i tried worked with this van but that's why its over heating and blowing cold air to much air in the system.
You my also want to check the operation of the heater bypass valve, was the heater a problem before the cooling system service?