Questions & Answers for: 1999 chevy heater control valve

...1999 CHevy SIlverado I have no heat in my truck. Blows plenty of air but no hot air. I have changed the thermostat but this did not help. I cannot locate any valve on the heater lines going into the ...

What is the vacuum switch on a 1999 Chevy Tahoe that controls the heater by pass valve? it is the middle switch on your climate control head

chevy silverado heater blowes cold air. both heater hose are hot. bargraph adjust from hot to cold.what next. Feel the hoses going into the heater on the firewall. If one is hot and the other is cool,

where is heater control valve located on my 1999 chevy 1500 silverado Does not have one, has a door that separates heater core from the rest of a/c box in dash.

...Chevy Suburban, 3/4 ton 7.4L it was leaking coolant and I traced it to a T connector between some hoses and while removing it I noticed the heater control valve connections to the house were ...

heat is not coming inside the car on my chevy maliby 1999 termostat is ok , blower is ok , check heater control valve

heater control valve location 2003 s10 heater only blows hot air occasionally. when working, both hoses to core are hot. when not working, only inlet hose is hot and outlet hose is cold Sounds like ...

...1999 Chevy pickup with a 5.3 v8 This truck with the 5.3 engine does not use a heater control valve. If you are having a lack of or no heat problem, most common problems are bad temperature blend door ...

How to replace Heater control valve in a 1999 chevy silverado This vehicle year doesn't have/use a heater control valve. What is the problem with the heater?

...1999 chevy blazer the heater wont work change the thermostat and flush the core still no heat the engine heat normal dont know what to do next the big hose gets hot but small does not are the small ...