Question about Cars & Trucks
What have you checked so far ?
Could be a long list of things including low on coolant, thermostat, or blend door problem.
Posted on Jan 11, 2013
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Posted on Jan 02, 2017
working on 4 and 5 speed that the resistor that broken cold air you got to move the selector to see the motor that move the trap hot and cold sometime when the motor was not move to the hot side for a long time its jam the motor on the passager side under dash put to hot and gently tap the motor tanks pierre
Posted on Nov 09, 2008
sounds like you have a bad temperature sensor in dash or the cable has eitehr broken or come off the heater switch under the dash!!
Posted on Dec 07, 2008
ok here we go and you aren't going to believe it...
I replaced the thermostat step one
I noticed that I had a small leak at the engine side of upper hose fixed that by taking it off and cleaning it and putting the hose back on Step two
then while refilling the reservoir with coolant i found that the hose that was supposed to be in the fluid was curled up on top and not sticking down in the fluid where it should be.
played with the hose until i got it to fall down in the reservoir where it should be Step 3
I started the car with the radiator cap off and let it run until it got to normal operating temp. and keep filling the radiator with fluid until the level stayed constant. Then put the cap back on and test drove. Everything worked fine haven't had that much heat in awhile and it kept blowing hot even when i stopped and let it idle for ten min.during test drive. Checked reservoir when I got home and had to add a small amount of coolant but not much.
I really think that the hose in the reservoir not being in the right place and pulling air into the system instead of coolant is the real culprit of this drama, but i replaced the thermostat to be safe.
Posted on Feb 21, 2009
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troubleshoot this types of problem,click the link below :---
Car heater blowing warm, but not hot air?http://schematicsdiagram.blogspot.com/2011/12/car-heater-blowing-warm-but-not-hot-air.html
Engine Overheats and heater blowing cold?
Heat blows cold on drivers side and hot on passenger side?
No heat on car? http://technoanswers.blogspot.in/2012/02/no-heat-on-oldsmobile-silhouette.html
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Heater blows cold?
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This will help.Thanks.
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