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turbo stopped spinning

Old 12-09-2018, 11:53 PM
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turbo stopped spinning

I hope i'm posting in the right section.

I have a 08 Cobalt SS. Stock other than a K&N Typhoon intake. I took off from a red light the other day, maybe 3/4 throttle, and all of a sudden it felt like I hit a wall. I let off the gas immediately and resume driving and notice I have no boost. My boost gauge would only rise to 0 psi. Car ran normally as long as i drove like a grandpa. No lights or codes. So i figured boost leak or turbo. Well i put the car on a lift and check all the piping out. Everything looks good. No noticeable damage as far as i can tell. I remove the intake and look into the turbo with a mirror and flashlight. It doesn't look bad so I check for shaft play. When I do I notice the shaft wont spin or move at all. its just stuck. Anyone ever have this happen before? Any idea what caused this to happen? Guess i better start looking for a turbo
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Old 12-10-2018, 08:08 PM
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your bearing is most likely seized up. definitely need a new turbo. make sure you look at lines and all that to make sure its getting oil before you put a new one in, or you will have the same issue. most likely just died of old age and abuse.
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Old 01-01-2019, 12:25 AM
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Might need to check the MAF
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Old 01-06-2019, 03:03 AM
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Originally Posted by HellboundChevy View Post
Might need to check the MAF
why on earth would he check maf if the turbo is seized? he needs a new turbo
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Old 01-21-2019, 08:25 PM
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How is the oil level and quality? Sounds like the turbo may have been starved of lubrication.

Many vehicles also incorporate a mesh filter in the turbocharger oil feed; check the block side, banjo bolt, and line. If you can't see clearly through any of the passages, I would recommend replacing the component.
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Old 01-22-2019, 05:43 PM
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about half the cars we have come in have clogged oil drain lines.
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Old 01-22-2019, 09:55 PM
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Seriously? That's a pretty big line.
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Old 01-23-2019, 12:43 AM
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Originally Posted by 63 Nova SS View Post
Seriously? That's a pretty big line.
Oil sludge is the devil.
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