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Mbe 4000 blow air and oil out of blow-by tube. 255000 miles

 
DR.Cummins's Avatar
  • Answered by:DR.Cummins
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Customer Question

Mbe 4000 blow air and oil out of blow-by tube. 255000 miles on engine.

 

Optional Information:
Make: western star
Model: 4900
Year: 2008
Engine: mbe4000 450hp

Submitted: 283 days and 20 hours ago.
Category: Heavy Equipment
Value: $28
Status: CLOSED

Accepted Answer

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Expert:  DR.Cummins replied 283 days and 20 hours ago.

Hello and welcome to Just Answer! I would be more than happy to assist you today.Excessive blow by can be caused by a failed turbo, failed air compressor, internal cylinder damage from ring worn. You would have to isolate the turbo and check. than isolate the air compressor and check if there is still excessive blow by suspect internal engine damage. Also check your oil level and make sure it is not over full.

Expert TypeFIELD SERVICE TECHNICIAN
Category: Heavy Equipment
Pos. Feedback: 97.2 %
Accepts: 2245
Answered: 6/30/2012

Experience: 16 Years working on Cummins Diesel engines,

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