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Old 03-19-2013, 03:03 PM   #11 (permalink)
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Quote:
Originally Posted by Old Tele man View Post
FWIW, the Cruze turbo is thermally cooled by a "thermo-siphoning" coolant system, or so GM claims...there is no actual mechanical coolant pump. It's been discussed over on the CruzeTalk forum.
Yes... I posted a U-tub video on Cruzetalk of the coolant boiling in the turbo after shutdown. After doing some researching, I found this thermosiphoning is pretty much common in all water cooled turbo installations.

Having said that, I bet that housing still gets pretty hot, even with coolant boiling through it. Even more so if shutting down immediately following a period of high load. I may consider fitting a small coolant pump in line with the turbo water line and putting it on a timer so it runs for a minute or so after engine shut off.

I'm using Mobil1 synthetic, so hopefully it's a little more "coke" resistant than ordinary oils... even other Dexos options.

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Old 07-24-2013, 09:02 AM   #12 (permalink)
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Quazar, sent you a PM for an update (if one is available).

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