The heater hose in a 1993 Cadillac Fleetwood Brougham connects the engine block to the firewall, facilitating the flow of coolant to the heater core. This component is essential for the vehicle's heating system, as it transfers hot coolant to warm the cabin. If you are replacing this hose, ensure you use a high-quality replacement to prevent leaks and maintain proper heating efficiency. It's also advisable to check for any signs of wear or damage in surrounding hoses and connections during the replacement process.
leaking heater core
you dont, a mechanic does
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.
Try the repair tips on the Autozone web site.
There are two hoses going to the heater core. Passenger side of the firewall in the engine compartment. Two 3/4 inch hoses about 3 inches apart.
To replace the heater core in a 1991 Cadillac Brougham, start by disconnecting the battery and draining the coolant. Remove the dashboard and the center console to access the heater core's housing. Disconnect the hoses from the heater core and unbolt it from the housing. Install the new heater core, reassemble the dashboard, reconnect the hoses, and refill the coolant before starting the vehicle.
The 1995 Cadillac block heater plug can be found on the right hand side of the engine. The block heater plug will be near the back of the engine.
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 replace the heater blower relay on a 1990 Cadillac Fleetwood Brougham, first disconnect the negative battery cable to ensure safety. Locate the relay, which is typically found in the fuse box under the dashboard or near the engine compartment. Remove the old relay by gently pulling it out, then insert the new relay in the same position. Finally, reconnect the battery and test the blower to ensure it operates correctly.
it is on the passenger side right next to the windshield under the hood it is black and has a purple and black wire connected to it
The heater fan relay switch can be found on the firewall in the engine compartment. The relay switch will be on the passenger side of the firewall.
-remove front seats-remove steering column-remove entire dash-remove heater hoses from engine side of firewall/bulkhead-remove A/C hoses from engine side of firewall/bulkhead-remove nuts holding heater / A/C box (on engine side of firewall/bulkhead)-remove heater / A/C box from cab side of firewall/bulkhead-remove top of heater / A/C box.-replace heater core