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theres a vacuum switch over under the dash that alllows the air to be switched different places sounds like that is bad
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∙ 14y ago
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1984corvette blows heat all the time in the driver and passenger compartment and the heat is off?
VACUUM CONTROLLED DOOR IN DASH THAT CONTROLS ALLOWING HEAT OR AC IS STUCK OPEN.
Heat and ac won't work on 1995 blazer?
A blown fuse is the most common cause for the 1996 Chevrolet Blazer sheet and air conditioning not working. The fuse box can be found in the engine compartment.
Dash lights go on and off for no reason heat won't turn off and an electric noise is coming from the heater air conditioning in a 1998 blazer what is going on?
If the dash lights go on and off and the heat won't turn off and electrical noise is coming from the heater, there could be a short in the wiring on a 1998 Blazer. This is also possible if the ground wire for these items is not longer attached.
How do you make the heat shut off in your s-10 blazer?
The temp blend door actuator is probably at fault. Replacing it requires removal of the dash assembly.
What could be wrong is a 1997 Chevrolet Blazer when there is little heat blowing?
Thermostat stuck open, clogged heater core, heater flow valve not functioning, or low of coolant.
My Chevy 2000 blazer has heat for a short time then after vehicle has been driven for about 10 to 15 minutes its only blows out cool air.?
Be sure it is not low on coolant. It may also be a bad thermostat.
Ruud furnace only blows cold air no heat?
ruud furnace only blows cold air, no heat
Why would your heat only work on defrost?
ihave a 1986 chevette that when i turn defrost on it blows out heat and when i put heater on it blows out only cold air? ihave a 1986 chevette that when i turn defrost on it blows out heat and when i put heater on it blows out only cold air?
Heat will not work in the dash of a 1993 ford van the heat works great in the back blower How do you fix the heat problem from the front blower front blower will blow hot for a few seconds then cold?
heat works in back not in front front blows hot for a few mins then cold
'How do you fix the air conditioning and heat on a 94 Honda accord that only blows out the top and bottom vents and not through the dashboard vents?
Check for a vacuum leak either under the hood or under the dash Check the operation of the vacuum actuated motors under the dash Check the operation of the selector switch at the dash
Why is my defrost stuck on my blazer?
The air door under the Blazers dash could be stuck, or there could be a vacuum leak on the engine. The door opens and closes from vacuum, directing the air from heat to defrost.
I have dual heat control the passenger side blows hot and the driver side blows cold when heat is on?
make sure both knobs are all the way up on red for heat...
