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search the forum for turborep's writeups on the HE351 turbo and others.
covers seal, oil usage, EGT shut off questions and multitude of others.
good education on turbos found on Cummins.
sounds like shaft bushing leak problems. Amsoil is mainly PAO based oil with about 20% ester base. the ester base is very effective at carbon removal. sounds like you have or had a turbo with a coked worn shaft bushing. the ester cleaned out the carbon and now you have a leaker.
take it to another dealer
if no satisfaction then take it to your local hot trucks shop that specializes in Cummins.
any experience with working on turbos?
if so, remove intake tube and exhaust pipe to turbo and test for shaft lateral play. especially look for any beginning signs of the either wheel hitting the housing. wheel hitting housing is what causes most loud new failure turbo noise
don't wait or put off testing and repair.
turbo blows and can take out the engine
can't beat that Amsoil for real cold country cold starts. won't cause as much turbo coking either in hard pulling with no cool down turn off period at end of run
covers seal, oil usage, EGT shut off questions and multitude of others.
good education on turbos found on Cummins.
sounds like shaft bushing leak problems. Amsoil is mainly PAO based oil with about 20% ester base. the ester base is very effective at carbon removal. sounds like you have or had a turbo with a coked worn shaft bushing. the ester cleaned out the carbon and now you have a leaker.
take it to another dealer
if no satisfaction then take it to your local hot trucks shop that specializes in Cummins.
any experience with working on turbos?
if so, remove intake tube and exhaust pipe to turbo and test for shaft lateral play. especially look for any beginning signs of the either wheel hitting the housing. wheel hitting housing is what causes most loud new failure turbo noise
don't wait or put off testing and repair.
turbo blows and can take out the engine
can't beat that Amsoil for real cold country cold starts. won't cause as much turbo coking either in hard pulling with no cool down turn off period at end of run
