I have replaced the blower motor and the resister but my heater and my air conditioner still wont blow air its not climate control because when i drive if i turn up the heat i can fill it and if i turn it to cool i still feel the cool air but its not blowing any cold or hot air out we try relay switches to not that any suggestions ????
SOURCE: air conditioning on a 2000 chevy impala
If it will not switch to any different positions,and you did not have this problem prior to repair.Check for a leaking vacuum line to the control unit.The line should run through the firewall to the control unit.Good Luck!!!
SOURCE: dual climate control
There is a thing called a blend door, it controls air temp, that is where the problem is, most common issue is the motor that operates the door fails.
SOURCE: AC Blows cold then hot
I had this happend to me on my 2004 2500 in july in S.C.I turned the key off and on 5-6 times and i have not had that problem again.
SOURCE: 1995 Chevy k1500 heater problems.
For a 95 Chevy Silverado....I replaced the Blend Door Actuator on the passenger side. Just behind the slide out cup holder. Yo ucan acces easily by removing the ash tray piece and the glove box....Or just the glove box and work like hell to get a socket in a tight place.
There are 2 actuators....one controlling the (Mode and Temp 89018681) and the other the (Air Inlet 89018367). I called the dealer and the parts were 85-125. I got it From TBA Auto (local store) for 39.00. A 20 min job at most.
SOURCE: 2004 chevy tahoe, dual climate control, blowing different temps
Its more then likely the temp door broken or temp door motor broken/stuck. There is 2-3 of these motors under the dash on the side of the evap/heater core box. Some require extensive labor to replace, good luck
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