Air Intake and Exhaust System
02
080
12
DPSG,OUO1004,945 –19–28JUL99–13/13
RG8542 –UN–10DEC97
Checking Shaft End Play
4. Next, check shaft end play by moving the shaft back
and forth while rotating. There will be some end play
but not to the extent that the wheels contact the
housings.
NOTE: These diagnostic procedures will allow you to
determine the condition of the turbocharger. If the
turbocharger has failed, analysis of your
inspection notes should direct you to the specific
areas of the engine to correct the problems
causing the turbocharger failure (See
TURBOCHARGER FAILURE ANALYSIS, earlier
in this group). It is not unusual to find that a
turbocharger has not failed. If your turbocharger
passes all the inspections, the problem lies
somewhere else.
IMPORTANT: Before you finalize your conclusion that
the turbocharger has not failed, it is
strongly recommended that the
following procedures of checking radial
bearing clearance and axial bearing end
play with a dial indicator be performed.
These procedures are not required if a
failure mode has already been
identified.
CTM100 (06APR04)
02-080-12
P
OWER
T
ECH
10.5 L & 12.5 L Diesel Engines
040604
PN=312
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