answersLogoWhite

0


Best Answer
Answer

Low coolant?
Bad thermostat?
Temperature control cable not working?

Have checked all of the above

User Avatar

Wiki User

14y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: Why will air not switch from cold air to hot air when you turn temperature control knob on 99 silverado?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

Where is the cold side of the stoplight switch on a 2005 Chevy silverado?

Use a test light to determine Connect to ground and one side of the switch - if the light illuminates that is the HOT side if light does not illuminate that is the COLD side of switch


Why does the rear heater in a 2003 Chevy Tahoe only blow cold air?

Try replacing the temperature control switch for the rear control cluster. Hope that that's the fix. Less than $20.


How does a turtle control its temperature?

by swimmingThe turtle, a cold blooded animal, does not control its body temperature, It takes on the temperature of its surrounding environment.


What factors control how warm or cold something is?

temperature


Were do you find the temperature control unit on a 1999 ford expedition?

To answer your question are you referring to your A/C and Heating temperature control unit? The temperature control which is next to the A/C control knob which you adjust the temperature from cold to hot? When you adjust it between cold and hot it opens a blend door via blend door motor to get the desired temperature.


What can a warm blooded animal do that a cold blooded animal can't do?

warm blooded animals can control their body temperature but cold animals can't able to control their body temperature.


What is the temperature of a cold blooded creature?

It depends on the cold blooded creature. Glad I could help!!


What is an animal that cannot control its body temperature?

cold blooded


What is the purpose of the blend door actuator on a 1997 Chevy s10 truck?

The blend door blends the hot air with the cold air to produce the temperature you have selected on the temp control switch.


What is the term used to describe animals that can not control their body temperature?

Animals that do not control their body temperature but rather let the environmental temperature control it are called cold-blooded or the technical term is ectotherm.


How do vertebrates control their body temperature?

by swimmingThe turtle, a cold blooded animal, does not control its body temperature, It takes on the temperature of its surrounding environment.


How does cold effect warm blooded animals temperature?

Cold blooded animals do not control their internal body temperature. Warm blooded animals do.