Nissan Frontier. Manual — part 107
BR-8
< BASIC INSPECTION >
REAR DISC BRAKE
REAR DISC BRAKE
BRAKE PAD
BRAKE PAD : Inspection
INFOID:0000000009478733
PAD WEAR
Check pad thickness from an inspection hole on cylinder body.
Check using a scale if necessary.
DISC ROTOR
DISC ROTOR : Inspection
INFOID:0000000009478734
VISUAL
Check surface of disc rotor for uneven wear, cracks, and serious damage. Replace as necessary.
RUNOUT
1. Attach disc rotor to wheel hub using wheel nuts at two or more
positions.
2. Inspect runout using dial gauge placed at 10 mm (0.39 in) inside
disc edge as shown.
NOTE:
Before measuring, make sure that wheel bearing axial end play
is within the specification. Refer to
(C200),
3. When runout exceeds limit value, displace mounting positions of disc rotor by one hole. And then find a
position of the minimum value for runout.
4. If runout is outside the specified value after performing the above operation, refinish disc rotor using Tool.
THICKNESS
Check the thickness of the disc rotor using a micrometer. Replace
disc rotor if the thickness is less then the repair limit thickness.
Standard thickness (new) : Refer to
Repair limit thickness
: Refer to
BRA0010D
Runout limit
: Refer to
(with it attached to the vehicle)
Tool number
: 38-PFM92 ( — )
AWFIA0492ZZ
Standard thickness (new)
: Refer to
.
Repair limit thickness
.
Maximum uneven wear
(measured at 8 positions)
.
SFIA2284E
BRAKE BOOSTER
BR-9
< BASIC INSPECTION >
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BRAKE BOOSTER
Inspection
INFOID:0000000009478735
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:0000000009478736
VISUAL INSPECTION
Check for improper assembly, damage and deterioration. Replace as necessary.
CHECK VALVE INSPECTION
Airtightness Inspection
Use a suitable tool to test brake booster vacuum check valve. Con-
nect 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:0000000009478737
LEAK INSPECTION
Check for leaks at master cylinder to brake booster attachment point, reservoir tank, and brake tube connec-
tions.
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