The two vents on the upper part of the central panel can be taken off. There are two prongs that need to be pulled in on either side of each vent. Once those are out you can see more screws.
turn off the traction control. switch is located inside glove box. Everytime you turn car off you'll have to flick the switch before putting it in drive. comes on automatically
It begins at the intake manifold.
Go here: http://www.eclassbenz.com/node/27
its the hvac blend door motor crunching up the doors if you have the digital climate control
The ECU is located in the same housing as the air filter. (in front of the housing). Take the star bolts loose and remove the housing. You will see ECU inside it.
check fuses and for vac leak at unit and vac pump
Climate Control Panel
GET THE HAYNES REPAIR MANUAL FOR THAT GROUP OF CADILLACS CH 6 HAS THRM ALL 86 to 90 Broughams were incapable of pulling DTC's through the climate control head. To perform a self diagnostics on them, you have to jump the terminals on th ALDL. Follow the instructions in the link to pull DTC's.
It is for dule zone climate control
The climate control module is part of the control assembly. The entire assembly has to be replaced as one unit for the 1990 models.
The climate control computer may be defective. Check all fuses. is the defrost cold air?
In order to get codes for a 1994 Cadillac STS through climate control, a diagnostic test must be run by a mechanic. Most alternative tests or guide books will not provide this information. A Cadillac dealer is the best option to obtain this code.
It sounds like the climate control system in your '86 Cadillac Fleetwood Brougham may have experienced a temporary electrical glitch. Such issues can be caused by a faulty connection, a failing control module, or even a weak battery. If the problem persists, consider checking the wiring and connections for any signs of wear or corrosion, or consult a professional for a thorough diagnosis. Regular maintenance can help prevent similar issues in the future.
Should find ECM just under center dash below radio and climate control panel
The heater control valve in a 1995 Cadillac Fleetwood Brougham is typically located on the passenger side, near the firewall, and connected to the heater core hoses. It is a small, cylindrical or rectangular component, often made of plastic or metal, with vacuum lines and coolant hoses attached. The valve regulates the flow of coolant into the heater core, controlling the temperature of the air that enters the cabin. It may have a lever or electrical connection, depending on the specific setup.
There could be several reasons why the heater in your 1989 Brougham Cadillac isn't working. Common issues include a malfunctioning thermostat, a clogged heater core, or a problem with the heater control valve. Additionally, low coolant levels or a faulty blower motor could also prevent warm air from circulating. It's best to diagnose the issue systematically to determine the exact cause.
To control the heat in a 1996 Cadillac DeVille, start by adjusting the climate control settings on the dashboard. You can regulate the temperature using the temperature dial or buttons to select your desired level of heat. If the heat is not responding as expected, check the coolant level and ensure the thermostat is functioning properly. Additionally, inspect the heater core and climate control system for any potential issues.