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 TROUBLESHOOTING
TESTING AND ADJUSTING
22. COOLANT IN LUBRICATION OIL
Cause:
Correction:
Failure of Oil Cooler Core
Install a new core for the oil cooler. Drain crankcase and
refill with clean lubricant. Install new oil filter element.
Failure of Cylinder Head Gasket or Water Seals
Check cylinder liner projection. Install a new cylinder
head gasket and new water seals in the spacer plate.
Tighten the bolts that hold the cylinder head according to
the Specifications.
Crack or Defect in Cylinder Head
Install a new cylinder head.
Crack or Defect in Cylinder Block
Install a new cylinder block.
Failure of Liner Seals
Replace seals.
23. TOO MUCH BLACK OR GRAY SMOKE
Cause:
Correction:
Not Enough Air For Combustion
Check air cleaner for restrictions.
Bad Fuel Injectors
Install new fuel injectors.
Wrong Fuel Injection Timing
Make adjustment to timing. See Subject, FUEL TIMING.
24. TOO MUCH WHITE OR BLUE SMOKE
Cause:
Correction:
Too Much Lubrication Oil in Engine
Remove extra oil. Find where extra oil comes from. Put
correct amount of oil in engine.
Engine Misfires or Runs Rough
Make Reference to Item 7.
Wrong Fuel Injection Timing
Make adjustment to timing. See Subject, FUEL TIMING.
Worn Valve Guides
Reconditioning of cylinder head is needed.
Worn Piston Rings
Install new piston rings.
Failure of Turbocharger Oil Seal
Check inlet manifold for oil and repair turbocharger if
necessary.
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