Engine coolant temperature reading
#61
12-31-2020, 07:56 AM
Veteran Member
The temperature range I see on my "07 is 193 -- 199f when in motion, sitting at a signal light it will rise to 204 -- 206f. Last Sunday on the way home from Florida, I got caught in a mile long traffic jam in Baton Rouge, temp got as high as 214f at this point I put the transmission in neutral and raised the RPMs to 2500, this brought it back down to 208f. I never got over temp warnings and as soon as I got moving again, the temp dropped back to 197f.
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Sean W (12-31-2020)
#62
12-31-2020, 08:07 AM
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Location: Ottawa, Ontario, Canada
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FIRST AID FOR OVERHEATING
If your car overheats and you're not in a place where you can safely stop and let it cool down, turn your heater on to maximum and run it full blast. Your heater is simply another radiator, albeit smaller, that circulates the engine coolant. Running the heater will help bring down the coolant temperature, assuming that you haven't lost all the coolant and that the water pump still works.
I shouldn't have to say this, but open the windows so you don't get roasted.
That's
If your car overheats and you're not in a place where you can safely stop and let it cool down, turn your heater on to maximum and run it full blast. Your heater is simply another radiator, albeit smaller, that circulates the engine coolant. Running the heater will help bring down the coolant temperature, assuming that you haven't lost all the coolant and that the water pump still works.
I shouldn't have to say this, but open the windows so you don't get roasted.
That's
This has me thinking... to the left of the steering wheel, at the lower portion of the dash, there is a molded section crying for the substitution of the dummy switch to an actual switch... (the panel where the boot release and fog light switches are) Have any of you added an accessory to this?
#63
12-31-2020, 09:50 AM
Veteran Member
214*F is not hot or close to overheating. I believe the Jaguar boiling point is around 250*F which is fairly critical. At that point you would start to be concerned about the head gaskets. The important thing to make sure that it is good is the coolant pressure cap. That is the key to "boiling over" and should be checked yearly and replaced as necessary. My trigger would be around 225*F before I would take any actions and this is considering there aren't any leaks showing. Enjoy the ride
This. With a 15 psi Cap and ours use a 14 psi rated. Agree with JT here. If your reach 250 and your hoses or cap hasn't blown, your engine is probably shelling parts. If you can set an alarm on the device, set it @ 225.
#64
12-31-2020, 06:43 PM
Senior Member
214*F is not hot or close to overheating. I believe the Jaguar boiling point is around 250*F which is fairly critical. At that point you would start to be concerned about the head gaskets. The important thing to make sure that it is good is the coolant pressure cap. That is the key to "boiling over" and should be checked yearly and replaced as necessary. My trigger would be around 225*F before I would take any actions and this is considering there aren't any leaks showing. Enjoy the ride
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