Questions & Answers for: Chevrolet Silverado engine overheat high speed

...high speed. Did you also change the connector at the same time? Here is a step-by-step check you can do to fix it. If you are only getting high speed (setting 5), then most likely you have a resistor ...

...help.Thanks. Isoa beleive it or not it is the high speed blower relay ... has one setting for high and a variable setting for all lower speeds ... usually found on the firewall near the blower ...

...engine overheat light to come on even thought there is coolant in the radiator as well as the extra place? either a badtemp sensor or airlock also may be a guage is it actually overheating? could be ...

overheat if a sensor or module is out? Told it is not showing anything on computer now, but it has not been to a pro shop. Oh yeah, now the overheating is during normal anytime driving. Still thinking

...high speed. Blower won't shut off when engine turned off. Will kill battery if fuse is not taken out. replace your blower resistor module. It sounds like you have 2 issues. You have a bad risistor on ...

...and yes the do fail. I am sticking with the IAC as a problem its a stepper motor and has a high failure rate, chack also the ECT (engine coolant temp sensor) for corrosion that gives false

...high speed goes away at low speed Since it should be under factory warranty I would expect you to take it to the dealer for inspection.My first guess would be something in the exhaust or the ...

...high speed on my chevy 2005 silverado Have speeds 1 thru 5, all work but number 5, on fan switch if you got heat on all speeds and the blower motor is working properly then you probably need a new ...

...then a 30amp fuse for the other speeds. The 30amp fuse powers the fan switch, when you turn it to high it activates the high speed relay. I would check for power at the blower motor on all

...engine. This allows the PCM to adjust the idle speed to compensate for high electrical loads. The PCM monitors the state of the generator field duty cycle signal circuit. When the key is in the RUN ...