Blown Turbo CM870
08-28-2019, (Subject: Blown Turbo CM870 ) 
Post: #1
Blown Turbo CM870
Hi,
i'm back again with some bad news and looking for some advice. 2006 KW T800, demandated by reputable person here. I had turbo go out approx two years ago almost to the day. Replaced the turbo with Cummins reman, and at that time had the programming check/redone by MB. (truck was deleted by previous owner) Anyway, today hauling gravel, and the driver started hearing a squealing noise, thought it was the CAC boot, as we found a small hole. Driving to the shop, and squealing got worse,and no power. Shut off truck at the shop, pulled of the CAC boot, and its full of oil. So i'm assuming the seals blew out on the turbo. Just thankful it didn't run away with oil getting into the intake!!!

I'm pulling turbo off now, called Cummins \winnipeg. they have reman turbo for $4300.CAD :(
which i knew was going to be the case from my previous experience. its just a big ouch.

Can anyone recommend anywhere else to get a turbo? I see some rebuilts online at HD Turbo with an actuator for $1800, and others for around 2300. Even with the exchange I'll save some money, but not sure of the quality?

Second, the driver said he noticed the boost pressure in the last day or two getting too high, usually it would make 38-39Lbs of boost, but said it would go over 40 now. he's a good driver, so he would back out of it to keep it under 40. Turbo actuator issue maybe?? i just changed it out a year ago.

third, What procedure should i follow to clean out the oil from the CAC, or does it need to be replaced?

We run a pyro in the pipe behind the turbo, and it will occasionaly get up to 900, usually 750-850 range, and the pyro on the outside of the manifold stays around 300-400. These should be safe temps? not causing shortened turbo life?

Thanks for the advice,
replyreply


Messages In This Thread
Blown Turbo CM870 - tsolson - 08-28-2019
RE: Blown Turbo CM870 - tree98 - 08-28-2019,
RE: Blown Turbo CM870 - Unilevers - 08-29-2019,
RE: Blown Turbo CM870 - tree98 - 08-29-2019,
RE: Blown Turbo CM870 - Rawze - 08-29-2019,
RE: Blown Turbo CM870 - tree98 - 08-29-2019,
RE: Blown Turbo CM870 - Unilevers - 08-29-2019,
RE: Blown Turbo CM870 - Rawze - 08-29-2019,
RE: Blown Turbo CM870 - Vlad - 08-29-2019,
RE: Blown Turbo CM870 - Rawze - 08-29-2019,



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