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Either you have no coolant in the engine or the climtate control system is not operating the proper air door in the heater/ac box. Open glove box door and remove the glove box 3 screws. Pull out box. look for a metal rod with a white plastic that operates the blend door. The clip has probably broken. Run car and move the heat from cold to hot and check the action. This is a common problem.
What else can I help you with?
How do you replace a heater core on a 1987 Cadillac Seville?
I need to know how to replace the heater core in a 1987 cadillac seville. I would like to have step by step instructions on the removal and replacemnet of this part. Where it is located and how to remove it
Where is heater core in a 1992 Cadillac Seville STS?
Behind the glove box
Where is the heater core located on a 1991 Cadillac Seville?
the heater core is up under the dash on the riget side.
Where is the heater core located on a 1997 Cadillac Seville?
Under the dash on the passenger side
What causes the heater to blow cold air when the engine is overheating on a 1999 Cadillac Seville?
Low coolant. If the coolant is low then the heater core is not able to transfer heat in to the car.
Where is the heater coil located Cadillac Seville 2002?
In a 2002 Cadillac Seville, the heater coil is located within the HVAC (Heating, Ventilation, and Air Conditioning) unit, which is typically positioned behind the dashboard. To access the heater coil, you may need to remove the dashboard and some associated components. It is generally situated near the firewall, allowing coolant to flow through it to provide heat to the cabin.
How do you change the engine coolant in your 1997 Cadillac Seville?
Drain radiatorRe-fill with a 50/50 mix of antifreeze and waterRE-fill slowly to prevent an air lockRun vehicle to normal operating temperature with heater on and recheck coolant level
Where can you find the instruction manual for replacing the heater core in a 1997 Cadillac Seville STS?
Autozone, advanced auto parts, and other autoparts stores.
How do you remove a heater core from a 1961 Cadillac?
i have a 62 cadillac,how do you remove the heater core
How do you tell when your hot water heater isn't heating properly?
Take it's temperature at various settings
Where is the door blend activator on a Cadillac Seville?
The door blend activator on a Cadillac Seville is typically located within the HVAC (heating, ventilation, and air conditioning) system, often behind the dashboard or near the heater core. To access it, you may need to remove the dashboard or specific panels, depending on the model year. It's responsible for controlling the temperature of the air entering the cabin by blending hot and cold air. Always refer to the vehicle's service manual for detailed instructions and diagrams specific to your model year.
Is there a short term solution for a leaking heater core in a '92 Cadillac Seville?
At the parts sttore they have bypasss kits for heater cores. simply remove boyh hoses that go to the core and put this piece of pipe in place of the core. Talk to the parts man and tell him what you have.
