Turbo Cool Down - Ford Powerstroke Diesel Forum
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Old 01-25-2008, 06:04 PM
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Turbo Cool Down

I have always heard that when the turbo get hot, you should allow them to cool down before shutting the engine off. This being my first Diesel, and first vehicle equipped with a turbo, I'm wondering what exactly this means.

I'm also guessing that the only way to really tell if it's hot, is by EGT's -- If an EGT Gage is present (mine is). Though I'm not sure how accurate that might be???

So, I'm wondering at what temperature the EGT Gauge should read before shutting the engine off, or if that's even an accurate way to know if the turbo needs some cool down time.

I've heard ~300*

What say ye?
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Old 01-25-2008, 06:10 PM
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it does not really need to be a certain temp before shutdown, just not shutting down right after some hard rompin, that is what will cause your turbo to burn up.

for example if i have been hot roddin around or rompin on it, i will wait/idle for a few minutes before i shut the truck down....
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Old 01-25-2008, 06:16 PM
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300ish is fine
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Old 01-25-2008, 06:40 PM
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i agree giveing your turbo any time to cool is always good and will extend the life. i have never seen this on a psd but one a john deere 4440 i have seen a guy pull all day shut the tractor right off then come back after about an hour(it was about 20 degrees outside) and when he started the tractor back up the turbo exploded so i always let mine cool for adleast a minute
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Old 01-25-2008, 06:42 PM
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I wait till 350*.
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Old 01-25-2008, 06:49 PM
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It depends on the temp outside if it is hot outside u could be sitting there all day waiting for 300 or 350. But yes let her cool off
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Old 01-25-2008, 06:52 PM
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i wait till 300ish but it is probally not needed. I do it for some self assurance. If your working it hard 5 min at least, and the book will even tell yeah. My thoughts are let it cool, a little diesel is cheaper than a new turbo. BUT NOW THERE IS A GOOD EXCUSE TO GET A NEW ONE, hey honey.......................
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Old 01-25-2008, 06:57 PM
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haha yea no kidding i would really like a new turbo but i have found a cheeper way to up grade the turbo i will post up what i have come up with in the tech files portion
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Old 01-25-2008, 06:59 PM
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shoot me a pm with that cheap way to upgrade the turbo if you could when you post it. Thanks
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Old 01-25-2008, 07:12 PM
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Ahh okay, I'm a pretty tame driver, so to be honest, after driving it through my neighborhood it's usually between 300 - 350* by the time I get to my house, so that's good.

I'll just have to pay attention when I go to the store or something.

It's probably more important after towing I'd guess.
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