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Started By
Message
Any Mechanics Here -- Diesel Turbo Question
Posted on 1/1/25 at 10:12 am
Posted on 1/1/25 at 10:12 am
I got some bad news yesterday. I have been working a long time to get a replacement engine in my 2006 Chevy 3500 and finally got it back three weeks ago. One of the reasons I had such a long wait was due to problems my mechanic found with the refurbished engine core. The Houston company made it right but my mechanic still questioned the quality of work this company did with the refurbishing.
So after getting the truck back it performed well. Then I hooked up a trailer and it did not have the power to pull it correctly and then my turbo started making a bad noise when pulling and not pulling a trailer. Upon inspection the mechanic found that the turbo was not getting oil from the engine and had shredded putting metal threads into the engine.
My question is the mechanic states that there is a block limiting the flow of oil to the turbo in the engine core. Is that a real possible cause? Could the restricted oil flow be caused from the install of the turbo? I don't want to just take his word on this due to the fact this is a $20K mistake he would be responsible for if it was from his error?
I will ask another mechanic shop tomorrow when they open but am curious if anyone has some input on this New Years Day.
So after getting the truck back it performed well. Then I hooked up a trailer and it did not have the power to pull it correctly and then my turbo started making a bad noise when pulling and not pulling a trailer. Upon inspection the mechanic found that the turbo was not getting oil from the engine and had shredded putting metal threads into the engine.
My question is the mechanic states that there is a block limiting the flow of oil to the turbo in the engine core. Is that a real possible cause? Could the restricted oil flow be caused from the install of the turbo? I don't want to just take his word on this due to the fact this is a $20K mistake he would be responsible for if it was from his error?
I will ask another mechanic shop tomorrow when they open but am curious if anyone has some input on this New Years Day.
5
Posted on 1/1/25 at 10:15 am to Ambassador
quote:Sucks, sounds like your excellency.
Ambassador
Posted on 1/1/25 at 10:32 am to Ambassador
quote:
turbo was not getting oil from the engine and had shredded putting metal threads into the engine.
I'd be curious how he made this determination
quote:
Could the restricted oil flow be caused from the install of the turbo?
Could be, but would be very difficult to prove.
Unfortunately, since one company did the engine build and a different company installed it, they are both going to blame the other one and you'll likely be stuck holding the bag.
Posted on 1/1/25 at 10:41 am to Ambassador
quote:
My question is the mechanic states that there is a block limiting the flow of oil to the turbo in the engine core. Is that a real possible cause?
Flow restriction on turbos is normal. They are gravity drained and too much oil is bad for them. As long as the restrictor is properly sized I doubt that was the issue.
ETA. Might just be the way you worded it. But typically the flow restrictors are installed on the turn oil feed line. It’s usually built into the oil feed adapter. Are you saying there’s one on the engine block? Like where the oil feed line attaches to the feed port? A picture might be helpful.
This post was edited on 1/1/25 at 10:54 am
Posted on 1/1/25 at 10:58 am to Ambassador
It sounds like, from your description, you might need a new turbo, but how is that going to be $20K?
Posted on 1/1/25 at 11:01 am to billjamin
I am just going by what the mechanic told me. He said there was a restriction within the engine core preventing the correct amount of oil to go into the turbo and he claims they may have left sand or other debris in the core when refurbishing the engine. I know enough to get me in trouble.
Posted on 1/1/25 at 11:04 am to POTUS2024
quote:
It sounds like, from your description, you might need a new turbo, but how is that going to be $20K?
The $20K was for the refurbished engine core and all the new parts required for the engine warranty, including a new turbo, water pump, etc. All together, the engine, parts, and labor came to $20K.
Now I am told there are metal shavings in the engine core and the new engine would need to be replaced along with the turbo.
I hate that I spent $20K on this but I may need to cut my losses and move on.
Posted on 1/1/25 at 11:05 am to Ambassador
quote:Use it, baw.
engine warranty,
Posted on 1/1/25 at 11:06 am to Ambassador
Why in the world would you spend 20k on an engine refurb for a 20 year old truck
Posted on 1/1/25 at 11:08 am to billjamin
This right here.
On an intercooled engine when a turbo lets loose most of the time any metal gets trapped in the intercooler along with oil suck. Any metal particles that make it thru then have to get thru the head and then thru the intake valves.
Blown a few turbos on Cat, Cummins, and John Deere and never suffered catastrophic engine failure. Just put on a new turbo, get all the oil out of the intercoolers, and gone on running.
I dunno, ya might be getting the britches put on you.
On an intercooled engine when a turbo lets loose most of the time any metal gets trapped in the intercooler along with oil suck. Any metal particles that make it thru then have to get thru the head and then thru the intake valves.
Blown a few turbos on Cat, Cummins, and John Deere and never suffered catastrophic engine failure. Just put on a new turbo, get all the oil out of the intercoolers, and gone on running.
I dunno, ya might be getting the britches put on you.
Posted on 1/1/25 at 11:12 am to Ambassador
Just a thought, not knowing what happened to the original engine it is possible that it put the shavings in the turbo and it did not get flushed out. Best of Luck!
This post was edited on 1/1/25 at 2:11 pm
Posted on 1/1/25 at 11:16 am to Ambassador
quote:
I hate that I spent $20K on this
Just buy a new or used truck. I couldn’t imagine spending 20k, having this daily headache, and no vehicle. Life’s too short, spend the $
Posted on 1/1/25 at 11:23 am to barry
Because I bought the truck new and knew the history. I had already rebuilt the front and rear ends in the previous year and replacing the engine and parts was much cheaper than even a used truck with over a 150K miles on it.
It was a gamble and is looking like I lost.
It was a gamble and is looking like I lost.
Posted on 1/1/25 at 11:29 am to Jim Ed Love
quote:
I dunno, ya might be getting the britches put on you.
That is what I am trying to determine. This was a brand new turbo and did not even have 1000 miles on it. When I took the truck back to them it was still running but the turbo was making an awful noise.
The previous week they did tell me they thought the veins in the turbo had been frozen and was not opening.
The company that sold me the engine has not done right by me. First they sent an engine core that the studs on the head gaskets were not oiled nor seated properly. They sent a replacement engine and shipped the original back to Houston. Then we find out they sent the wrong heads. When those were replaced they sent two drivers side heads, not one for each side. Supposedly there is one for each side for a 2006 model. On the third set of heads we finally got it all together. The company then did not refund me my core deposit and has quit responding to my calls and texts.
Posted on 1/1/25 at 11:30 am to imageauto
Thanks, it is supposed to be a new turbo.
Posted on 1/1/25 at 5:57 pm to Ambassador
They broke it off in ya. The red flags would have been going up on the first screw up. I would be damned if I would be eating the cost of the rebuilder problem.
There is a couple or three engine builders in Houston. One is fit to deal with and the others ain't even good parts changers. Did your old boy say anything about how the main caps and bearings looked upon tear down?
I would spend a couple hundred for a jack-legged lawyer to write a sternly written letter and go from there. If no response, go full bore.
Something ain't right. Either a meskin did not clean the bores and oil galleys after he punched the cylinder holes or the engine installer fumbled the ball. If me I'd get blood or turnip or they'd be buying new plate glass windows.
Posted on 1/1/25 at 6:15 pm to Ambassador
quote:
company that sold me the engine has not done right by me. First they sent an engine core that the studs on the head gaskets were not oiled nor seated properly. They sent a replacement engine and shipped the original back to Houston. Then we find out they sent the wrong heads. When those were replaced they sent two drivers side heads, not one for each side. . The company then did not refund me my core deposit and has quit responding to my calls and texts.
Jeez. Given all that, and the general rep of reman engine companies, I'd stick by your mechanic's side. Or maybe vet the mechanic's reputation a bit more to be sure. If it comes back solid then go with whatever he says hook line and sinker. Really you should have a mech you can fully trust. Gleaning info from a forum isn't going to be a terribly accurate source to your problem.
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