No hot air from heater.
#1
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So what would be the correct steps to diagnose the problem?
The water is getting hot in the engine and the levels are OK, I turn the heat up to max and run it with A/C on and off, no hot air. If I boot it up to about 90Mph it starts to come through hot until I slow down again.
Not sure where to start looking, so would love some advice.
The water is getting hot in the engine and the levels are OK, I turn the heat up to max and run it with A/C on and off, no hot air. If I boot it up to about 90Mph it starts to come through hot until I slow down again.
Not sure where to start looking, so would love some advice.
#2
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Probably a clogged heater pump.
The pump is located in the engine compartement, left side.
Here are a few pics:
http://www.gusglikas.com/AutoRepXJ6heaterpump.htm
HTH,
David
The pump is located in the engine compartement, left side.
Here are a few pics:
http://www.gusglikas.com/AutoRepXJ6heaterpump.htm
HTH,
David
#3
#5
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I have located the pump and it doesn't appear to be vibrating when I would expect it to be running. I.E. ignition on, temp set to max and fan running.
Am I able to remove it and still drive the car? I would like to take it to a local auto electrician to check the brushes and winding but only have the one car.
Am I able to remove it and still drive the car? I would like to take it to a local auto electrician to check the brushes and winding but only have the one car.
#6
#7
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#8
#9
#10
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This is where I got it from:
http://www.jaguarspares-northeast.co...%26aid%3D43%26
They do them for X300 and X308. Different bracket apparently. I had to pay £15 deposit on the exchange unit.
Not sure about wiper motor, check out the website.
http://www.jaguarspares-northeast.co...%26aid%3D43%26
They do them for X300 and X308. Different bracket apparently. I had to pay £15 deposit on the exchange unit.
Not sure about wiper motor, check out the website.
#11
#12
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Mine went last winter and I barely survived the cold. I forgot about it during the summer and now that winter is here again, it struck me. I pulled the hoses off the valve and flushed the heater matrix by pumping water through the lines both directions. I connected them directly to one another, bypassing the valve, and I have sweltering heat, but I can't modulate the temp (it is either hot or off). I had the valve bench tested and it failed. I am picking up a new valve this weekend and will replace it.
#14
#15
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I think the glib answers to the last questions are no, sort of and yes. On most (at least, American) cars, hot coolant goes to the heater core all the time, and a door blends heated and unheated air to deliver to the inside of the car. In jaguars, for some reason, the regular coolant flow is insufficient to the heater core, and must be boosted. In addition, there is a mixing valve near the pump. You might say that instead of a blend-air system, there is a blend-coolant one. I don't know that it's better, but it certainly is more complicated.
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