oil cooler
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Logistics Pro
Joined: Sep 2010
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From: Victor, MT
oil cooler
So I had my oil cooler done and egr delete put in. Why are my oil and coolant stuck a wide variance. It's at upwards of a 13 degrees difference between the two. Any further suggestions?
Lead Driver
Joined: Feb 2011
Posts: 8,241
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From: L.A. (Lower Alabama)
Recheck temps after an overnight "cold soak" to check for sensor/display accuracy. Should be within a degree or two from each other. If they're off add difference to hot numbers for a more accurite idea of where you're at. There is a bypass valve in the oil cooler housing that can stick open and allow oil to pass through the cooler too fast for proper heat transfer. A thorough cooling system flush is required to keep the new cooler from clogging quickly after replacement.
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Joined: Jul 2004
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From: Ohio
For those of us that have no EGR cooler, you will see a wider difference between oil and coolant. 13 is nothing to worry about but did not understand your torque reference, you spike a short time under load (trailer) or normal driving?
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Logistics Pro
Joined: Sep 2010
Posts: 4,411
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From: Victor, MT
It's just a random snap from whatever its reading. Say like 191* like earlier. Then it will snap to 32* then right back to 191* what kinds of differences will I see between without the egr cooler? I'm just wanting to know what is safe and what's not.
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