Rear Brake Disc; Disc Thickness And Parallelism Inspection - Honda Civic Service Manual

Rear Brake Disc
Disc Runout Inspection
1 . Loosen the front wheel nuts slightly, then raise the
vehicle, and suppon it on safety stands. Remove
the front wheels.
Remove the brake pads (see page 19-24).
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 thoaoughly, and remove a 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 {0.00,t in)
5.
lf the disc is beyond the service limit, refinish the
brake disc,
Max. Retinishing Limit: 8.0 mm {0.31 in)
NOTE: A new disc should be refinished if its runout
is greater than 0.10 mm (0.004 in).
19-26
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 wh6els.
2.
Remove the brake pads (see page j9-24).
3 .
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
erght points, approximately 45" apart and 1o mm
{0.4 in) in from the outer edge of the disc. Replace
the brake disc if the smallest measurement is less
than the max. refinishing limit.
Brake Disc Thickness:
Standard: 8.9 - 9.1 mm (0.350 - 0.358 in)
Max. Rsfinishing Limit: 8.0 mm {0.31 in}
Brake Disc Parallelirm: 0.015 mm
(0.0006 inl msx.
NOTE; This is the maximum allowable difference
between the thickness measurements.
4.
lf the disc is beyond the service limit for Darallelism.
refinish the brake disc.
NOTE; See section 18 for brake disc replacement.