Check List For Brake System; Rear Brakes Checks, Adjustments And Maintenance; Plumbing And Lines Checks, Adjustments And Maintenance - Mazda RX-7 Service Manual

CHASSIS/BRAKE SYSTEM
Rear brakes.
1. The comPetition brake rotor
can
"
6f tt"O until it is worn down
to
9 . 0 m m t h i c k .
2 . T h e b r a k e c a l i p e r i n c l u d e s
a n i n '
-'
i;;;"1 larking brake' There
is.a
;;i;
Jn in" liston which,s!'toYtd
6e matched exactlY to the friction
Pad. The Parking bra.ke
t1?1"
l:
bositioned close to the
rotor' so
["r* .ate to route or suPPort
it to
avoid contact and Possible
dam'
age.
3. The recommendations for service
-'
;;;'rite ot the front brake Pads
Itso aPPtY to the rear Pads'
4. The variable proportioning. Y?lvq
"
" " n b e a d j u s t e d i o s u i t i n d i v i d u a l
pieterencis. However' as.a start-
ing Point, use the following rec-
o m m e n d a t i o n s :
c.
Make certain the brake lines are
iiil ti"".t length; too short could
""ui" oi."kagl and ultimate fail'
uie of the sYstem, too lonq lo.ses
"tii"i"n"y, causes a softer feeling
i; ih;;;d;1, and could also result
i n t n " ' l i n e r u b b i n g a g a i n s t l o T e
iotlting Part or wearing against a
rough edge.
D r y c o n d i t i o n s
80 kg/cm
Wet conditions
50-60 kg/cm
Tightening Torques
D.
Plumblng and llnes'
1 . T h e t i g h t e n i n g t o r q u e o n t h e
p i p e
n u t s i s 1 . 3 ' 2 . 2 k g - m '
2. For protection, it is recommended
-'
in"'brat<e hose be wound with
"oit", but be careful not to dam'
"g"-in" brake line with the wire'
Gheck List for Brake SYstem
Item
Brake Pedal f ree PlaV
i f i c a t i o n
6-7 mm
Front rotor
254 mm ('t0 in) dia. x
25 mm thick
F r i c t i o n P a d
t h i c k n e s s
9.7 mm (ef f ective amount
8.7 mm)
Rear rotor
254 mm (10 in) dia. x
10 mm thick
F r i c t i o n P a d
t h i c k n e s s
9.0 mm (effective amount
8.0 mm)
Amount of brake
f l u i d
Fill to upper line
Item
Torque, kg'm
F r o n t r o t o r a n d h u b
1 . 0 - 1 . 3
l i n c r
8-10
Rear rotor
6.8-8.3
R e a r c a l i P e r
4-4.8
4-4.8
M o r t n t i n o a d a P t o r
B r a k e l i n e s
1.3-2.2