indication that is closer than 3/16 inch (5 mm) from the edge,
two or more indications on one lobe.
FIGURE 4-63. Camshaft Inspection Areas.
Do not use camshaft if there is any of the following indications below the surface:
two indications in shaded area (FIG. 4-63),
indication in shaded area longer than 5/8 inch (16 mm),
three indications in white area,
indication in black area of injector lobe (1).
more than two indications in black area of valve lobe (2),
indication in black area of valve lobe (2) longer than 1/8 inch (3 mm).
The camshaft must be demagnetized completely and cleaned thoroughly. Small
metal particles will cause engine damage.
Demagnetize and clean the camshaft.
Inspect camshaft gear. If the gear is visibly chipped, cracked or worn, the gear must be replaced.
Use a feeler gauge to measure camshaft thrust clearance. If clearance is not between 0.006 inch0.15
mm) and 0.013 inch (0.33 mm) the gear must be removed.