Question about 2000 Jaguar S-Type

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Heater does not get hot when turned on only cold air

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  • larf1 Dec 30, 2008

    replaced control valve unit still the same have live to unit

  • larf1 Dec 30, 2008

    hot water does not flow to heater replaced control valve under bonnet still no good wiring seems good

  • latinagirl Mar 06, 2009

    I have the same problem i have a JAGUAR 2000 s-type , first of all i dont know where to turn the heater on from, and seacond when i put AUTO it blows cold-cold air even if i push the little red button higher it still blows cold air......i freeze every time at night it never fails......i need help!!!!

  • stevo55 Apr 01, 2009

    2001 S-Type Jaguar 3.0 has an issue with the automatic internal air temp control. It will start to blow warm air and then go into a deep freeze. Does anyone have a fix?

  • jamespearson Apr 15, 2009

    1999 3ltr v6 auto same prob after a month of freezing i checked the coolant resevoir and it was low ,topped it up,aaaaa heat !



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Make sure the cooling system is not leaking and full.....if it is OK its more then likely going to be the heater valve which is located on the radiator cowel down the front of the engine...has a few pipes going in and out of it...may even be broken wires to it....nightmare to change it...hope this helps

Posted on Dec 12, 2008

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Buy a new car

Posted on May 25, 2009

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When driving aroun 60mph the trac light comes on somtime and when i press the gas pedal the car wont any faster then the trac light goes off then the car runs fine

Posted on May 23, 2009

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2000 caddy Seville ...after starting and engine warm turn on the heater and it blows cold air. Fan works / waiting for hot air and then all the sudden it kicks in. Engine at normal temp

Low coolant, if there is an air pocket in the engine it will make it to the heater core. Once there , the air coming out is cold/cool. Once the coolant fills the heater core, it gets hot. If the coolant is fine hot or cold, then have the HVAC system scanned.

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Need more information. The most important thing would be to watch the heater water valve move when someone turns the control from hot to cold, back and forth?
Heater valve controls tend to be operated by vacuum, and switched by a heater computer. Lots of possibilities. But first tell us what you see move when operated? Valve is usually in engine compartment, in the heater hose. Follow the hot one.

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Where is the little door that closes off when you turn on the heat to turn the cold air flow off

The thing that turns them over from hot to cold is a air valve that shuts off the clod water and opens the valve to let the hot water to go around the heater system so you get hot air,,, and when you turn the switch to cold it turns off the flow of water to the heater and so it blows cold.
Have a goodday Ron

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