1986 buick lasabre heater fan workes, but no heat at all heater controls seem to work all right, but get no heat at all for heater or defroster could be a vacuum switch on the heater hose. The heater ...
...HEATER CONTROL SWITCH IS FAULTY.CHECK HVAC FUSES AND CHECK BLOWER MOTOR RELAY.IF BLOWER MOTOR DONT WORK WHEN HOT WIRE REPLACE IT.IF ALL CHECK OUT GOOD.HAVE DEALERSHIP DO A DIAGNOSTIC TEST ON YOUR ...
Question about Buick LeSabre
...edited for clarity. Question moved to Sub Category. All in this link, where to find, how to diagnose heater issues. https://www.google.com/search?q=1995+buick+lesabre+heater+control+valve+location
...heater control assembly mounted in the dash, like bad wire to Heater switch connection. A bad connection can jenerate a lot of heat and start melting things unless you find the problem soon enough. ...
...for the SLAP of the flap CLOSING. the control cable is faulty. or the ELECTRONIC HEATER CONTROL NOT WORKING or the HEATER RADIATOR (UNDER DASH is BLOCKED). or AIR in SYSTEM. needs bleeding. ...
...only cold air no heat? sounds like a vaccum leak. the heater control doors inside the heater box are vaccum controled and a small crack in a vaccum hose under the hood will stop them from
heater control unit.You may also have a HVAC programmer.You can see what the parts look like by going to rockauto.com. and looking up your aplication,look under (heater blend door,heater AC control) I
hot heater control valve or flush the heater core(possibly clogged) OK, if Both Heater Hoses are not hot, then the heater core is likely to be plugged up and it is in need of flushing out or replacing
...clogged. Happens on older cars. Check the condition of the coolant, then if you can flush the heater core. Often buildup causes heat to not work. This is usually caused by a bad blend door
...no lights or control of heater or A/C very common for control unit to go out replace it thats your problem go to a pick up part get your self anothere one for $25 bucks hope this helps im shore it ...
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