Coolant Temps in Hot Weather
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Coolant Temps in Hot Weather
I just had my water pump and one of the coolant pipes changed by the dealer. Here are the temps I'm seeing (see pic). Is this normal? If I'm sitting in traffic it gets up into the 210's. If I'm driving down the road it drops to the low to mid 190's.
This seems abnormal to me, but the temperature has been in the mid 90's lately.
This seems abnormal to me, but the temperature has been in the mid 90's lately.
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THANK YOU!!!!!! Now I won't worry so much about the temps. That's probably why manufacturers use an idiot light these days. They probably used to get all sorts of warranty repair requests when the needle was a tiny bit too hot.
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Reverend Sam (06-19-2019)
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FYI The thermostat allows rapid engine warm-up by preventing coolant flow through the radiator and by limiting coolant flow through the cylinder block when the engine is cold. During warm-up and at engines speeds above approximately 1800 rev/min, a by-pass valve opens to control the coolant flow and pressure, to protect the engine components. When the thermostat opening reaches 6 mm (0.24 in.), the by-pass flow is shut-off. When the thermostat opening exceeds 6 mm (0.24 in.), the radiator coolant flow is further controlled up to the point where the thermostat is fully open. At this point maximum radiator coolant flow is achieved to provide maximum cooling.
On both naturally aspirated and supercharger vehicles, the thermostat begins to open at 88 - 90 ーC (190 - 194 ーF) and is fully open at 102 ーC (216 ーF).
On both naturally aspirated and supercharger vehicles, the thermostat begins to open at 88 - 90 ーC (190 - 194 ーF) and is fully open at 102 ーC (216 ーF).
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1) Buy one that automatically shuts down - I tried this and had to reboot it each time. It restarts itself but didn't pair unless you press the reset button. PIA.
2) Unplug it from the OBD port every time you shut down the car. You risk damaging the pins in the OBD port doing that daily.
3) Buy a battery maintainer, which you should have anyway as our cars demand a lot of battery usage. With a maintainer, you won't have to worry.
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In-dash temperature gauge isn't actual engine temp but a running average, so most people won't be able to tell you unless they used a probe or OBD tool.
In general terms, 210 seems to be a bit high even with AC on. Have you checked operation of your auxiliary fan? Also, not sure if XKR has a heat-trapping engine cover like F-type does, if yes - remove that right away. On my F-type removing engine cover lowers engine temp a great deal.
In general terms, 210 seems to be a bit high even with AC on. Have you checked operation of your auxiliary fan? Also, not sure if XKR has a heat-trapping engine cover like F-type does, if yes - remove that right away. On my F-type removing engine cover lowers engine temp a great deal.
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I知 driving my 2010 XK (with10,000 miles on odometer) in 95 degree florida heat with the original water pump! No temp gauge but I do make sure my coolant level is always topped up before every drive. So far no incident but I知 always somewhat uneasy. My trips are usually no more than 50-60 miles at a time. Maybe I値l be lucky and not see any steam from under the hood for years! Taken my car to every Jaguar dealer as well as my Indy and no water pump leak can be found although I do smell coolant with a very small loss. All I can do is wait. For the amount of miles I put on (less than 1,000 miles per year) it might not fail on my watch. I知 no youngster so who knows how many more years I値l have the car!
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How many miles on your car? Are you the original owner? Are you certain the pump was never changed? Do you lose any coolant?