Turbochargers... durability, reliability ?
Some years ago, turbochargers seemed to be considered service items, that may or may not last the engine life of the vehicle. We're thinking of getting a new midsize SUV, that will be able to do light...
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I have been involved with a lot of truck/tractor pulling, most runs are wide open heavily modified diesel engins with 1-2-or 3 turbos, a normal pull will last 20-30 seconds and the EGT's can reach 2,000* with ease, at the end most of the time the engine dies, so from 2000* and over 100 lbs of boost to not runing in 3 seconds... never have I seen a problem with the bushings with baked on oil film.
believe it or not the center part of the turbo rairly gets rebuild unless there is a problem, the wheels get changed aften.
turbo bearing failure is due to bad or dirty oil or lack there of.
I am on my 5th cummins truck and many many tractors/combines.. never have I done anything to a turbo other than change external parts, unless it has 500-700k miles.
believe it or not the center part of the turbo rairly gets rebuild unless there is a problem, the wheels get changed aften.
turbo bearing failure is due to bad or dirty oil or lack there of.
I am on my 5th cummins truck and many many tractors/combines.. never have I done anything to a turbo other than change external parts, unless it has 500-700k miles.
