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Old 09-10-2012, 04:24 PM   #29
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I'd also check compression and oil use (if you don't go for a rebuild) on the trip...
If it was a "light" 2 miles, you might be ok... the turbo went as it spins all the time quite rapidly, vs the low rpms of the engine (plus it has the most heat, so the bearings "cooked").

I have to say I'm in awe of the mechanics honesty to own up... it'd be so easy to point to something else..
Good luck!
Marc
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Old 09-10-2012, 06:23 PM   #30
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It sounds to like the bearing and seal failed in the turbo based on your description of loss of power and smoke. That would indicate that it did have at least some oil pressure. I'm not familiar with the Isuzu oil system, but can't imagine an a total loss of oil flow from an improper installation. Reduced flow could burn up a turbo though. I'm betting the engine is fine. I'd install the new turbo and run it. Any problems should be quite obvious. If the oil pressure is good, it sounds good, and makes good power, I'd press on.
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Old 09-10-2012, 07:49 PM   #31
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If the oil pressure is good, it sounds good, and makes good power, I'd press on.
Which is exactly my plan, "pressing on" is in my blood.
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Old 09-10-2012, 10:30 PM   #32
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I guess there's a lesson to be learned here about test running a motor while a historically trustworthy oil pressure warning light/gauge tells you not to. I did the same thing once on an old truck without the benefit of a blown turbo cutting the session short.
In your case I would tend to take the optimistic view that the motor is probably fine, keeping in mind the turbo's significantly higher operating speed and temperature and much more immediate and critical need for lubrication and cooling.
Since the whole trip was only a couple of miles, and the second half was probably at a crawl, I'm thinking you're in the clear. I like to recall those old commercials for STP or whatever it was where they ran the motors for hours without any oil at all.

Good luck, and keep your fingers crossed!!
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Old 09-11-2012, 04:24 PM   #33
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UPS provided progress a few minutes ago: $560.00 bucks, his cost after trans shipping was just over $600.00. Now the fun starts: that turbo could not have been put in a worse place to work on.
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Old 09-11-2012, 04:48 PM   #34
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All I can do is sit here and watch the events as they unfold...wish I could help some, Mike. You never did tell us what happened when you told your wife.....or maybe you better not.
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Old 09-11-2012, 05:00 PM   #35
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Sorry for all your troubles, Mike. Hopefully everything will work out for you.

A new turbo sure is pretty, though. Before the cast iron has heat cycled and started to rust.
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Old 09-11-2012, 05:21 PM   #36
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You were not tempted to 'supersize' that then? LOL!
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Old 09-11-2012, 05:39 PM   #37
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You were not tempted to 'supersize' that then? LOL!
Geez, when they were designing the mo/ho, Isuzu said "no way" to a turbo.
GM owned a piece of Isuzu then, and said, "stick-it".
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Old 09-11-2012, 06:00 PM   #38
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It begins, if anyone wonders where the turbo is located, look no further.
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Old 09-11-2012, 06:03 PM   #39
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I was there a few weeks back on mine, checking the brake fluid!
Soooo much fun!
Not.
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Old 09-11-2012, 06:47 PM   #40
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I blew an alternator years ago and the "mechanic" told me the engine had to come out to replace it. I showed him the metal flange cover that exposed the master cylinder AND the alternator. Was he embarassed?
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Old 09-11-2012, 07:35 PM   #41
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I blew an alternator years ago and the "mechanic" told me the engine had to come out to replace it. I showed him the metal flange cover that exposed the master cylinder AND the alternator. Was he embarassed?
Not impressive!
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Old 09-11-2012, 07:54 PM   #42
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It begins, if anyone wonders where the turbo is located, look no further.
One definite advantage of the rear engine models is the "queen" sized engine compartment. Hate it when they try to pack too much in too small of a space. I just had to pull the entire front end off my Audi to replace the alternator. $1000 at the dealer.
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