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Oil Temp

 
Old 05-07-2019, 10:24 PM
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tinman964
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Default Oil Temp

Just got my 964, I noticed the oil temp seems to be running high, this pic is after 20 mins in traffic then on the freeway it just dropped barely below the top white line. Is this normal?
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Old 05-07-2019, 10:27 PM
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no. shouldn't be running that hot-
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Old 05-07-2019, 10:34 PM
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Originally Posted by Jmw1234 View Post
no. shouldn't be running that hot-

Will lack of oil cause it to run hot or more of a oil cooling issue
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Old 05-07-2019, 10:47 PM
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Try tapping the gauge. it could be a faulty gauge
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Old 05-07-2019, 11:52 PM
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Your resister may be dead on the oil cooler in the front right fender. Make sure that fan is turning on. Most likely it's not.

Also, if you have the engine tray on, take that off.

I had a mouse nest in the cavity by my front oil cooler. Little bugger packed a ton of material in there and i had virtually zero airflow through the cooler, and i still ran cooler than that. So im guessing your oil cooler isn't functioning.

You could also check to see that the thermostat is working and opens at a certain temperature-should open well below that level and allow oil to circulate to the front and back to the rear.
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Old 05-08-2019, 03:41 AM
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Originally Posted by Goughary View Post
Your resister may be dead on the oil cooler in the front right fender. Make sure that fan is turning on. Most likely it's not.

Also, if you have the engine tray on, take that off.

I had a mouse nest in the cavity by my front oil cooler. Little bugger packed a ton of material in there and i had virtually zero airflow through the cooler, and i still ran cooler than that. So im guessing your oil cooler isn't functioning.

You could also check to see that the thermostat is working and opens at a certain temperature-should open well below that level and allow oil to circulate to the front and back to the rear.
I donít think the fan is working, Iíll get that and the thermostat checked out. Thanks.
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Old 05-08-2019, 04:50 AM
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You can tell if the thermostat is working by feeling the front right fender when the car has run for a bit. You can feel the warmth of the oil pipes through the fender which means the thermostat has opened and oil is getting to the cooler.
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Old 05-08-2019, 10:46 AM
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The oil cooler fan is managed through the CCU so that is another part to check. You can simulate the temp sensor in the oil cooler with a temporary variable resistor. If the CCU works, the fan should come on when you increase resistance first on low and then high. You can also take the sensor out and measure resistance as you place it into hot water.
Finally, some have switched to a manual solution. If you put a switch into the circuit you can force the fan to high. There is also a way to add a resistor so the fan comes on earlier. An number of great write ups here will help you.
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Old 05-08-2019, 11:50 AM
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Old 05-08-2019, 11:58 AM
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Thank you. That's the one I was thinking of but couldn't find in a hurry. Need to bookmark that one.
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Old 05-08-2019, 01:02 PM
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--that is WAY too high. What was the ambient temperature?
--the fan will turn on about 10 o clock. Similar to if you turn on AC, if you reach down under the car. you can feel the air blowing down.
--as mentioned the CCU (climate control) controls the fan operation. Check: resistor, sensor in the oil take.
--check your oil lines to the front are warm, and that oil is flowing to front oil cooler
--when driving your will even in warm temps should be no more than 9 o'clock or so (mine never runs much above the first white line but I have a 2nd cooler)
--ensure the cooler is clean, free of debris, and, the foam parts in the bumper (likely disintegrated) are replaced, they help air flow through the cooler

Regarding modding the front sensor, this is a very simple process to wire in a resistor in parallel to the sensor. I have pictures of this in my build thread in the Links in my signature. This allows the fan to turn on at a lower temperature (around 9 o'clock)

So what I'd do, to check:
1. ensure oil is flowing to the front cooler when car is warmed up (just check lines temp)
2. Ensure cooler is free of debris and clean
3. Ensure foam pieces in place
4. check operation of supplemental fan
5. once fan is confirmed working, modify the sensor to turn on at a lower temp
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Old 05-08-2019, 02:25 PM
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Originally Posted by Spyerx View Post
--that is WAY too high. …………….
Regarding modding the front sensor, this is a very simple process to wire in a resistor in parallel to the sensor. I have pictures of this in my build thread in the Links in my signature. This allows the fan to turn on at a lower temperature (around 9 o'clock)
I was looking in your thread for the resistor addition and after going through it for at least 10 minutes cant find the post. Do yopu know what #post it is in the thread?
thanks
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Old 05-08-2019, 02:43 PM
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Originally Posted by jimq View Post
I was looking in your thread for the resistor addition and after going through it for at least 10 minutes cant find the post. Do yopu know what #post it is in the thread?
thanks

https://rennlist.com/forums/964-foru...l#post13865397
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Old 05-08-2019, 03:00 PM
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Is your nickname Kitno on Porscheforum.nl?
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Old 05-09-2019, 12:35 AM
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tinman964
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Originally Posted by Spyerx View Post
--that is WAY too high. What was the ambient temperature?
--the fan will turn on about 10 o clock. Similar to if you turn on AC, if you reach down under the car. you can feel the air blowing down.
--as mentioned the CCU (climate control) controls the fan operation. Check: resistor, sensor in the oil take.
--check your oil lines to the front are warm, and that oil is flowing to front oil cooler
--when driving your will even in warm temps should be no more than 9 o'clock or so (mine never runs much above the first white line but I have a 2nd cooler)
--ensure the cooler is clean, free of debris, and, the foam parts in the bumper (likely disintegrated) are replaced, they help air flow through the cooler

Regarding modding the front sensor, this is a very simple process to wire in a resistor in parallel to the sensor. I have pictures of this in my build thread in the Links in my signature. This allows the fan to turn on at a lower temperature (around 9 o'clock)

So what I'd do, to check:
1. ensure oil is flowing to the front cooler when car is warmed up (just check lines temp)
2. Ensure cooler is free of debris and clean
3. Ensure foam pieces in place
4. check operation of supplemental fan
5. once fan is confirmed working, modify the sensor to turn on at a lower temp
Thanks for all the great tips. Ambient temp was only around 70F. I donít feel the warmth on the front right fender so that could be the problem. Drove the car from LA to SF and the needle was at the 10 oíclock range the entire trip, hope it didnít do too much harm. I will take it to the mechanic next week as I am not too mechanically skillful... unless anyone in the SF wants to help me. I was hoping to do my first mod, not my first repair haha. Thanks all for the input.
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