How hard is it to change the water pump... - Ford Powerstroke Diesel Forum
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Old 02-22-2012, 01:53 PM
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How hard is it to change the water pump...

And could it be my problem? Last year I had a leaking egr cooler. Did a restore flush and added a coolant filter and ELC coolant, and was seeing oil temps of around 235*. Took it to a shop, had the oil cooler replaced with a factory cooler, egr replaced with a bullet proof cooler. Test drove the truck and within 10-15 minutes of driving saw 245+ degree oil temps. The original cooler isn't blocked up as bad as you think it'd be. We tried replacing the oil temp sensor and nothing. Mechanic wanted to tear it back apart to change out the oil cooler, and charge me for the time. I didn't want to pay another $1,000. I took the truck home, and she sat in the driveway. I'm wondering if a failing waterpump is causing the high oil temps. Coolant temps are around 200-205.

Last edited by Fantom; 02-22-2012 at 02:00 PM.
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Old 02-22-2012, 08:19 PM
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If your coolant was flowing so slow as to cause high EOT, then you would also have insufficient coolant flow in general, which would casue high ECT.

Do the EOT and ECT values match in the AM before start-up?

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