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What causes the heater in a 2000 jaguar s type not to heat up?
Wiki User
∙ 12y ago
Most often this is an air trap in the heater core. It is surprising how often mechanics (even at dealerships) don't understand how to bleed the cooling system properly. This is best done with a cool engine. Remove the cap from the expansion tank, turn your heater all the way up with the fan running, start the engine and fill the expansion tank to the top. The bleed screw for the cooling system (for the V6) is directly beneath the induction pipe, between the throttle body and the air filter. There is a black plastic manifold with several radiator hoses running from it, the bleed screw is facing upward and requires a 90 deg turn anti-clockwise. Open the bleed screw and let some fluid escape, top up the expansion tank and give the engine a gentle rev (2000rpm) and hold it there a few seconds, top up the tank again. Repeat a couple of times and your car will be getting hot inside. Enjoy
Wiki User
∙ 12y ago
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