Disc Runout Inspection; Disc Thickness And Parallelism Inspection - Honda Civic Service Manual

Front Brake Disc
Disc Runout Inspection
L
2.
Loosen the front wheel nuts slightly, then raise the
vehicle, and support it on safety stands. Remove
the front wheels.
Remove the brake pads (see page 19,8).
I n s p e c t t h e d i s c s u r f a c e f o r d a m a g e a n d c r a c k s .
Clean the disc thoroughly and remove all rust.
Use wheel nuts and suitable plain washers to hold
the disc securely against the hub, then mount a dial
i n d i c a t o r a s s h o w n , a n d m e a s u r e t h e r u n o u t a t
10 mm (0.4 in) from the outer edge of the disc.
Brake Disc Runout:
Service Limit: 0.10 mm (0.004 inl
WHEEL NUT ANO
PLAIN WASHER
'108 N.m
(11 kg{.m, 80 lbf.ft)
lf the disc is beyond the service limit, refinish the
brake disc with an on-car brake lathe, The Kwik-
Lathe produced by Kwik-way Manufacturing Co.
and the "Front Brake Disc Lathe" offered by Snap-
on Tools Co. are approved for this operation.
Max. Refinish Limit: 19.0 mm (0.75 in)
NOTE: A new disc should be refinished if its runout
is greater than 0.10 mm (0.004 in)
1 9 - 1 2
Disc Thickness and Parallelism
Inspection
1 . Loosen the front wheel nuts slightly, then raise the
vehicle, and support it on safety stands. Remove
the front wheels.
Remove the brake pads (see page 19-8).
U s i n g a m i c r o m e t e r , m e a s u r e d i s c t h i c k n e s s a t
eight points, approximately 45" apart and 10 mm
(0.4 in) in from the outer edge of the disc.
Brake Dbc Thickn6s:
Standlrd: 20.9 - 21.8 mm (0.82 - 0.86 in)
Max. Refinishing Limit: 19.0 mm 10.75 inl
NOTE: Replace the brake disc if the smallest mea-
surement is less than the max. refinishinq limit.
Brake Disc Parallelism: 0.015 mm (0.fit06 in) max.
NOTE: This is the maximum allowable difference
between the thickness measurements.
lf the disc is beyond the service limit for parallelism,
refinish the brake disc with an on-car brake lathe.
The Kwik-Lathe produced by Kwik-Way Manufac-
turing Co. and the "Front Brake Disc Lathe" offered
by Snap-on Tools Co. are approved for this opera-
tion.
NOTE: See section 18 for brake disc reDlacement.