Front Brake Disc Inspection - Acura 2002 RSX Service Manual

Front Brake Disc Inspection
Runout
1. Raise the front of the vehicle. and support it with
safety stands in the proper location (see page 1-8)
Remove the front wheels.
2 . R e m o v e t h e b r a k e p a d s ( s e e p a g e ' 1 9 - 1 1 ) .
3. Inspect the disc surface for damage and cracks.
Clean the disc thoroughly, and remove all rust.
4. lnstall suitable flat washers (A) and wheel nuts, and
tighten the nuts to the specified torque to hold the
brake disc securely againstthe hub.
Set up the dial gauge against the brake disc as
shown, and measure the runout at 10 mm (0 4 in )
from the outer edge of the disc.
Brake Disc Runout:
Service Limit: 0.10 mm (0.004 in.)
lf the disc is beyond the service limit, refinish the
brake disc.
Max. Refinish Limit:
K20A3 Engine models: 19 mm (0.75 in.)
K2OA2 Engine models: 23 mm (0.91 in )
NOTE:
. lf the brake disc is beyond the service limit for
r e f i n i s h i n g , r e p l a c e i t ( s e e p a g e 1 8 - 1 1 ) .
. A new disc should be refinished if its runout is
o r e a t e r t h a n 0 . ' 1 0 m m ( 0 . 0 0 4 i n . ) ,
Y
:\lii'iroim.i !
(11.0 kgf.m, 80lbt.ft)
Thickness and Parallelism
'1. Raise the front of the vehicle, and support it with
safety stands in the proper location (see page l-8).
Remove the front wheels.
2. Remove the brake pads (see page 19-11)
3. Using a micrometer, measure disc thickness at
eight points, approximately 45'apart and 10 mm
(0.4 in.) in from the outer edge ofthe disc Replace
the brake disc if the smallest measurement is less
t h a n t h e m a x . r e f i n i s h i n g l i m i t
Brake Oisc Thickness:
Standard:
K20A3 Engine models: 20.9 21.1 mm
(0.82 0.83 in.)
K20A2 Engine models: 2,[.9-25.1 mm
(0.98-0.99 in.l
Max. Refinishing Limit:
K2OA3 Engine models: 19 mm {0.75 in.)
K20A2 Engine models: 23 mm 10.91 in.)
Brake Disc Parallelism: 0.015 mm {0.0006 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
Manufacturing Co. and the
"Front Brake Disc
Lathe" offered by Snap-on Tools Co. are approved
for this operation.
NOTE: lf the brake disc is beyond the service limit
for refinishing, replace it (see page 18- 1
'l
).
19-13