TURBOCHARGER - CONTINUED
INSPECTION - CONTINUED
Diffuser plate (1)
Inspect for cracks, burrs, or distortion.
Discard if cracked or distorted.
Smooth out burrs with emery cloth.
Using bore gage, measure inside diam-
eter of turbocharger sleeve bore.
Discard if bore gage does not Indicate
0.999 to 1.004 inches (25.37 to
(2) and new oil con-
trol ring (3)
Inspect for indications of wear.
Discard if worn.
Using thickness gage and new oil control
ring, insert oil control ring into groove
on sleeve and measure clearance with
Discard if clearance exceeds .009
inch (0.23 mm).
Heat shield (4)
Inspect for cracks, distortion, or burned
Discard if distorted, burned, or
cracks exceed 1/2 inch (12.7 mm) in
Compressor wheel (5)
Inspect for broken vanes or indications of
contact with turbine housing. Using leak-
detection dye check for cracks.
Discard if cracked, broken, or con-
tact with compressor housing is
Wheel and shaft (6)
Using leak-detection dye, check wheel
Discard if cracked.
Inspect sealing ring grooves for
grooves, scratches, or nicks.
Discard if grooves, scratches, or
nicks cannot be removed with emery