A Series Diesel Engine Base Engine Components 190
Cylinder Head Removal
z Drain the coolant and oil
z Disconnect the radiator and heater hoses
z Remove the turbocharger and air crossover,
if the engine is so equipped
z Remove the exhaust manifold
z Remove the fuel lines and injector nozzles
z Remove the valve covers
z Remove the rocker levers and push rods
z Remove the fuel filter
17 mm
Remove the cylinder head bolts in the sequence
shown.
Remove the cylinder head and gasket from the
cylinder block.
Note : Inspect the coolant passages. A large build up
of rust and lime will require removal of the
cylinder block for cleaning in a hot tank.
Inspect the cylinder bores for damage or excessive
wear. Rotate the crankshaft so the piston is at BDC for
the bores being inspected.
Measure the cylinder bores.
Limits
Diameter: Standard: 88.0 to 88.02
[3.464 to 3.465 in]
Out-of-Roundness: 0.03mm [0.0012 inch]
Refer to page 8-31 for the limits of the oversize
cylinder bores.
Note : Do not proceed with in-chassis overhaul if the
bores are damaged or worn beyond the above
limits.
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