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Old 19-10-2009   #1
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1.000.000 question: thermostatic oil valve on 20v turbo

I have a problem with oil temperature: quite oll time it doesn't exceed 60 C.
I changed the sensor on oil cup, but I have the same reading on instrument.

I was thinking there are a thermostatic valve to by-pass the oil cooler, so it could be broken.
On FIAT said me there isn't a "thermostatic oil valve", just broken the indicator.

I've found on FIAT eper there is a device (near the oil filter) called "thermostatic valve".

Now, does exist or doesn't exist a thermostatic valve to by-pass oil cooler?

thanks.
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Old 19-10-2009   #2
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Re: 1.000.000 question: thermostatic oil valve on 20v turbo

If your stationary does it get up to full temperature?. What temperature is your coolant? I've noticed my oil temperature is always lower than coolant (same on most cars tbh).

As for it existing I wouldn't know. I'd check on the the regular fiat coupe owners forum (use google).
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Old 19-10-2009   #3
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Re: 1.000.000 question: thermostatic oil valve on 20v turbo

Do you mean water coolant? If so, it's about 80 C (I've changed the thermostatic water valve).

Yes, stationary it get up, just when traffic.
The remaining time is not over 60 C (oil).

So, as logical deduction, there could be two solutions:
- temperature oil instrument not working correctly (I think is very low probability)
- thermostatic oil valve not working correctly (all people say thermostatic valve doesn't exist).
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Old 19-10-2009   #4
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Re: 1.000.000 question: thermostatic oil valve on 20v turbo

Mines the same temperature wise (although my coolant temp is lower I need new coolant thermostat). I really don't care about it car runs fine no errors to report on my Barnacle Widget (reads ECU) so I'm happy for now .
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Old 19-10-2009   #5
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Re: 1.000.000 question: thermostatic oil valve on 20v turbo

There couldn't be errors about ECU but due coolant (sorry, I don't speak english, I don't understand if you are talking about oil or water), bul working with water or oil too cold, it isn't good for turbine.
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Old 19-10-2009   #6
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Re: 1.000.000 question: thermostatic oil valve on 20v turbo

i dont think oil temps will get too much higher while driving normally.

are you driving the car hard? what kind of oil pressure are you getting?

there is a termo-valve for the oil cooler, but i'm not sure at which temprature it becomes active.

Ry
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Old 21-10-2009   #7
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Re: 1.000.000 question: thermostatic oil valve on 20v turbo

I don't usually drive hard.
The oil pressure is fullscale (3 bar), but I'm worried because the owner's manual says the temperature should stay around 100 C (so I think at least over 80), and all other T20 owners say it's about 100 on their car.
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