Proportioning Bypass Valve - Mazda MX-5 1990 Workshop Manual

P
BRAKE SYSTEM
PROPORTIONING BYPASS VALVE
Inspection
~
1. Connect two pressure gauges [9,810 kPa (100 kg/cm
2
,
.-----
1,422 psi)] to the pipes.
2. Measure the fluid pressure from the master cylinder and
to the rear brake.
Specification
Fluid pressure kPa (kg/cm
2
,
psi)
A
A'
B
B'
05UOPX-030
2,943 2,943
±
196 6,867 4,120
±
294
(30, 427)
(30 ± 2, 427 ± 28) (70, 995) (42 ± 3, 597 ± 43)
Caution
• If not as specified, replace the valve assembly.
• After inspection:
Add brake fluid and bleed the air.
(Refer to page P-6.)
Check the brake lines for fluid leakage.
A 8 ' "
Master cylinder pressure kPa (kg/cm
2
,
psi)
05UOPX-031
Replacement
1. Remove in the order shown in the figure.
2. Install in the reverse order of removal.
3. After installation:
(1) Add brake fluid and bleed the air. (Refer to page P-6.)
(2) Check the brake lines for fluid leakage.
Caution
• Brake fluid will damage painted surfaces. If it does get on a painted surface, wipe it off im-
mediately.
wED
13-22 (1.3-2.2,9.4-16)
N·m (m-kg, ft-Ib)
05UOPX-032
1. Brake pipe
2. Bolt
Removal ...................................... page P-17
3. Proportioning bypass valve
Installation ................................... page P-17
P-16