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Old 04-06-2017, 04:38 AM
Koen Koen is offline
Junior Member
Join Date: Mar 2017
Location: Belgium
Vehicle: Volvo 740 D24tic
Posts: 2
Question Normal Oil temperature

hello everybody!

I am driving my volvo 740 with a d24tic for about a year now and noticed that the there is something wrong with the oil. It has a air/oil-cooler.
After a couple of oil changes, 2 broken turbo's and a cracked head, i bought a oil temp gauge to be able to keep an eye on the temperature.

After a 15 minute drive at a constant 130km/h (65miles/hour) my oil goes all the way up to 125C (257F). At this point i drove off the highway so i don't know if it would have gone higher. It was 20C (68F) outside and i started the highway drive at 70C (158F) oil temp.

When i took the air/oil cooler apart i noticed nothing strange about it, it's not blocked or anything. I already tried a different oil thermostat and thermostat housing, doesn't change anything.

So my question is:
Does anybody have a oil temp gauge, so i can compare values?
Is there something about my oil cooler that i didn't check and could be the problem?
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