Nissan Xterra. Manual — part 75
BRAKE BOOSTER
BR-9
< BASIC INSPECTION >
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BRAKE BOOSTER
Inspection
INFOID:0000000009484640
OPERATION
With engine stopped, change vacuum to atmospheric pressure by
depressing brake pedal several times. Then with brake pedal fully
depressed, start engine and when vacuum pressure reaches the
standard, make sure that clearance between brake pedal and floor
panel decreases.
AIR TIGHT
• Run engine at idle for approximately 1 minute, and stop it after
applying vacuum to booster. Depress brake pedal normally to
change vacuum to atmospheric pressure. Make sure that distance
at intervals of 5 seconds between brake pedal and floor panel
gradually increases.
• Depress brake pedal while engine is running, and stop engine with pedal depressed. The pedal stroke
should not change after holding pedal down for 30 seconds.
BRA0037D
SBR365AA
BR-10
< BASIC INSPECTION >
VACUUM LINES
VACUUM LINES
Inspection
INFOID:0000000009484641
VISUAL INSPECTION
Check for improper assembly, damage and deterioration. Replace as necessary.
CHECK VALVE INSPECTION
Airtightness Inspection
Use a suitable tool to check the vacuum check valve. Connect to
brake booster side of check valve.
Check valve specification
: Refer to
.
LFIA0217E
BRAKE MASTER CYLINDER
BR-11
< BASIC INSPECTION >
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BRAKE MASTER CYLINDER
On Board Inspection
INFOID:0000000009484642
LEAK INSPECTION
Check for leaks at master cylinder to brake booster attachment point, reservoir tank, and brake tube connec-
tions.
BR-12
< BASIC INSPECTION >
BRAKE TUBE AND HOSE
BRAKE TUBE AND HOSE
Hydraulic Circuit
INFOID:0000000009484643
Type 1 and Type 2 - Four Channel Hydraulic System
AWFIA0789ZZ
1.
Actuator
2.
Master cylinder
3.
Brake booster
4.
Connector
5.
Axle mounted connector
9.3 N·m (0.95 kg-m, 82 in-lb)
A.
Union bolt (front caliper)
18.2 N·m (1.9 kg-m, 13 ft-lb)
B.
Flare nut M12
18.2 N·m (1.9 kg-m, 13 ft-lb)
C.
Flare nut M10
13.0 N·m (1.3 kg-m, 10 ft-lb)
D.
Flare nut M10
16.2 N·m (1.7 kg-m, 12 ft-lb)
E.
Flare nut M10
16.2 N·m (1.7 kg-m, 12 ft-lb)
F.
Hose connection (rear caliper)
18.2 N·m (1.9 kg-m, 13 ft-lb)
=
Hose
—
Tube
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