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TnSlim
Joined: 08 Sep 2003
Posts: 355
Location: Curaçao, N.A.
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 Posted: Thu Oct 04, 2007 11:05 am Post subject: Diesel cool-down cycle? |
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I just bought an Isuzu D-Max turbodiesel. There is no water jacket on the turbo, which put me to wondering. I had a Porsche 944 Turbo that did have a water jacket, as well as a pump that would keep the water circulating briefly after shutdown to prevent the oil in the turbine being cooked. Nonetheless, I habitually let it idle half a minute or so before switching it off, especially if I’d been rawhiding it.
The D-max diesel has a sterling reputation so I’m guessing its exhaust is enough cooler than in a gasoline motor that coking is not a problem. So is it pointless to go to the trouble of an idle cool-down before switching it off? |
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Henry
Joined: 03 Apr 2001
Posts: 2878
Location: NYC
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| Posted: Sat Oct 06, 2007 9:22 pm Post subject: |
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| Glad to see you've surfaced in a Mid-Carribbean Netherlandian outpost. Congradulations on your choice. How do you like living in Curacao? |
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edjack
Joined: 04 Feb 2002
Posts: 3887
Location: San Jose, CA
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| Posted: Fri Oct 19, 2007 12:34 pm Post subject: |
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Couldn't hurt, especially if you were running hard before shutdown.
What does the owner's manual say?
_________________
Ed BMW CCA member since 1987 (Nr. 62319).
'97 540i 6 speed Aspensilber over Aubergine interior. |
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