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The heater in a 1998 Oldsmobile Intrigue may be stuck on defrost due to a malfunctioning or stuck blend door actuator, which controls the flow of air between the defrost, heat, and AC settings. Additionally, a vacuum leak in the HVAC system or a faulty climate control module could also cause this issue. It's advisable to check for any vacuum line issues and inspect the actuator for proper operation. If needed, consulting a mechanic can help diagnose and resolve the problem.
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2002 Oldsmobile Alero only blows warm air when heater is on and only when its on defrost?
Could be,a stuck open thermostat,low on coolant,plugged heater core,faulty temp blend door actuator,
The cup holder in my 1998 Oldsmobile Intrigue has come off of its tracks and has fallen into the armrest and is stuck there. How can I fix the armrest cupholder in my Oldsmobile Intrigue?
Remove (or have a professional remove) the center console. The cup holder may or may not be repairable.
How do you turn stuck bright lights off on a 98 Oldsmobile intrigue?
u need a new high/low switch
Why does AC and heater blow air through defrost vents and will not blow air into cabin vents on 2002 Oldsmobile bravada?
If the AC and heater in a 2002 Oldsmobile Bravada are only blowing air through the defrost vents and not into the cabin vents, it could be due to a malfunctioning mode door actuator. This actuator controls the airflow direction and may be stuck or broken, preventing proper airflow to the cabin. Additionally, a vacuum leak in the HVAC system can also affect the distribution of air. It's advisable to have the HVAC system inspected to determine the exact cause and resolve the issue.
What symptoms means your 2004 Toyota Sienna needs a new thermostat?
Little or no heat from heater/defrost if t-stat is stuck open. Engine overheats if t-stat is stuck closed.
Air vent stuck on defrost in 1997 Oldsmobile Cutlass Supreme?
Check for a vacuum leak either under the hood or under dash Check the operation of the vacuum actuated motors under the dash Check the operation of the selector switch in dash Defrost is the default position for this system
Car heater and defrost only blow cold air?
Thermostat stuck open, if older car possibly clogged heater core- when run at oper temp the hoses going into/out of heater core be sure one is very hot - start with thermostat $$$ cheap & easier than a heater core problem!
Why does the AC Heater NOT blowing out the vent on a 2004 Sebring?
If it's stuck in defrost your battery died and messed up the computer. Disconnect battery for 5 or more min. It worked on my 96
Why is heater control stuck on blend Wont kick into defrost or heater?
Check behind the heat control panel to be sure that the vacuum hoses are all securely plugged into the control switch. As a safety measure on all cars, if you lose vacuum altogether, the default position for air direction is on defrost, so you can always see out of the windshield. Jake McCahn
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.
The heater on your 99 olds intrigue is squealing and no hot or cold air will come out what will fix it?
Pull the blower motor out and check both the motor, the blower wheel and the housing for any trash that may be stuck in it................
SINCE I HAD MY 1987 Nissan 300zx SMOGGED I HAVE NO VENTILATION FROM THE VENTS WHETHER I TURN ON ECONOMY-AC THE AIRS BLOWS OUT OF THE DEFROST VENT ON TOP OF DASH?
It sounds like your air flow diverter is stuck on defrost. Basically it is a little door that diverts the air fom vent to defrost to feet. It could be either the heater control valve, or te temperature selecter cable is broke.
