A Series Diesel Engine Troubleshooting Logic 42
Lube Oil Loss (Continued)
Cause
Correction
High Blowby Forcing Oil Out the
Breather
Check the Breather Tube Area for Signs of
Oil Loss. Measure the Blowby and
Perform the Required Repairs. Refer to
Page 124
OK
Turbocharger Leaking Oil to the Air
Intake
Inspect the Air Crossover Tube for
Evidence of Oil Transfer.
Refer to Page 124
OK
Worn Valve Seals
Inspect/Replace the Valve Seals.
Refer to Page 160
OK
Piston Rings Not Sealing – Oil
Being Consumed by the Engine
Perform a Compression Check. Repair as
Required. Refer to Page 116
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