Mazda MX-6 1998, Workshop Manual

Page: 648 / 1282

CONVENTIONAL BRAKE SYSTEM
6. Push lightly on the end of the SST gauge rod to
be sure that it is contacting the bottom of the
master cylinder piston, but do not push so hard
that the piston moves. Note any clearance
between the SST body and the adjusting nut:
clearance B, or between the body and the master
cylinder: clearance C. Adjust the push rod as
necessary as outlined in "Adjustment” below.
M easurem ent
Push rod
Clearance at B Too long
Clearance at C
Too short
No clearance at B or C Okay
CLEARANCE C
W 6 U 4 1 1 W A E
Adjustment
Clearance at B
1. Measure and record the height D1 of the gauge
rod.
2. Turn the adjusting nut until the SST body sets
closely on the master cylinder. Turn only enough
for the body to touch.
3. Measure and record height D2 of the gauge rod.
4. Subtract D1 from D2. By using the SST, turn the
nut to shorten
th e p o w e r b ra k e
unit push rod an
amount equal to the difference.
Clearance at C
1. Push lightly on the end of the SST gauge rod, and
measure the clearance between the adjusting nut
and the
SST body.
2. Using the SSTs, turn the nut to lengthen the
power brake unit push rod an amount equal to the
clearance measured at B.
49 B043 001
ADJUSTING NUT
C L E A R A N C E B
W 6 U 4 1 1 W A G
0 4 -1 1 -7