If they show any damage, replace it.

Caliper Fluid Seal Damage
Caliper Piston and Cylinder DamageWarning Symbols
: The red
warning indicator light
and the oil pressure warning symbol
( )
goes on whenever the oil pressure
is dangerously low or the ignition switch is in the “ON” position with the
engine not running, and go off when the
engine oil pressure is high enough. Refer
to the Mainten ...
Camshaft Runout Inspection
Remove the camshafts (see Camshaft Removal).
Set the camshaft in a camshaft alignment jig or on V
blocks.
Measure the runout with a dial gauge at the specified
place as shown in the figure.
If the runout exceeds the service limit, replace the
camshaft.
Camshaft Runout
Standard: TIR ...
Exploded View
25. “1T” marked side faces up.
26. “T2” marked side faces up.
27. Hollow mark faces exhaust side.
G: Apply grease.
L: Apply a non-permanent locking agent.
LG: Apply liquid gasket.
M: Apply molybdenum disulfide grease.
MO: Apply molybdenum disulfide oil solution.
...