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Richard
Richard, Jaguar Technician
Category: Jaguar
Satisfied Customers: 13754
Experience:  12 years at a Jaguar dealer as technician and shop foreman.
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Jaguar S-type 2000 heater does not work, was working before

Resolved Question:

Jaguar S-type 2000 heater does not work, was working before changing busted water hose?
Submitted: 4 years ago.
Category: Jaguar
Expert:  Richard replied 4 years ago.

Hello and welcome to justanswer.com

 

The problem may be an air pocket, stuck thermostat, clogged heater core or stuck heater control valve. If the engine is warming to operating temp without a problem then the thermostat or air pocket is most likely not a problem. The heater contrl valve is the part that aloows hot coolant to enter the heater core. The valve is most likely mechanically stuck closed. You can disconnect the three wire connector on the valve or pull fuse #1 (10 amp) in the engine ocmpartment fuse box and the valve should electricaly default to full heat. If you still do not have heat you will most likely need to replace the valve. This valve is located on the passenger side bottom of the engine cooling fan above the sway bar bushing bracket.

Customer: replied 4 years ago.
I will give it a try this afternoon and get back to you
Expert:  Richard replied 4 years ago.
Ok let me know how you make out. Usually it's a mechanically stuck valve.
Customer: replied 4 years ago.

I tried your suggestion with the fuse but no improvement. Want to take vale out but is it inside the car or outside by the firewall?

Expert:  Richard replied 4 years ago.
The heater control valve is in the passenger front of the engine compartment. Look on the bottom of the fan just above the sway bar. The valve has five hoses going to it and a three wire connector.
Richard, Jaguar Technician
Category: Jaguar
Satisfied Customers: 13754
Experience: 12 years at a Jaguar dealer as technician and shop foreman.
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