Nissan Xterra. Instruction — part 85
REAR DISC BRAKE
BR-49
< UNIT DISASSEMBLY AND ASSEMBLY >
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3. Place a wooden block in the cylinder body and blow air into the
hose connection hole to remove the piston and piston boot as
shown.
WARNING:
Do not get your fingers caught between the piston and
wooden block.
4. Remove the piston boot from the piston.
CAUTION:
Do not reuse piston boot.
5. Remove piston seal from cylinder body, using a suitable tool.
CAUTION:
Be careful not to damage cylinder body inner wall.
6. Remove the bleed valve and cap.
CALIPER INSPECTION
Cylinder Body
• Check inside surface of cylinder for score, rust wear, damage or foreign materials. If any of the above condi-
tions are observed, replace cylinder body.
• Minor damage from rust or foreign materials may be eliminated by polishing surface with a fine emery paper.
Replace cylinder body if necessary.
CAUTION:
Use new brake fluid for cleaning. Do not use mineral oils such as gasoline or kerosene.
Torque Member
Check the torque member for wear, cracks, and damage. If damage or deformation is present, replace the
torque member.
Piston
Check the piston for score, rust, wear, damage or presence of foreign materials. Replace if any of the above
conditions are observed.
CAUTION:
Piston sliding surface is plated, do not polish with emery paper even if rust or foreign materials are
stuck to sliding surface.
Sliding Pins and Sliding Pin Boots
Check the sliding pins and sliding pin boots for wear, damage, and cracks. If damage or deformation is
present, replace the affected part.
ASSEMBLY
CAUTION:
Use NISSAN Rubber Grease when assembling.
1. Install the bleed valve and cap.
BRD0041D
JPFIA0038ZZ
BR-50
< UNIT DISASSEMBLY AND ASSEMBLY >
REAR DISC BRAKE
2. Apply rubber grease to the new piston seal (1) and insert the
new piston seal (1) into the groove on the cylinder body.
CAUTION:
Do not reuse piston seal.
3. Apply rubber grease to the new piston boot (1). Cover the piston
end (2) with the piston boot (1), and then install the cylinder side
lip on the piston boot (1) securely into the groove on the cylinder
body.
CAUTION:
• Do not reuse piston boot.
• Press pistons in evenly and vary the pressing points to
prevent the cylinder inner wall from being damaged.
4. Install the piston (1) into the cylinder body and insert the piston
boot (2) side lip into the piston groove as shown.
CAUTION:
Press pistons in evenly and vary the pressing points to pre-
vent the cylinder inner wall from being damaged.
5. Apply rubber grease to the sliding pin boots, then install the sliding pins and sliding pin boots on the torque
member.
6. Install the caliper body on the torque member. Refer to
BR-39, "Removal and Installation of Brake Caliper
.
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SERVICE DATA AND SPECIFICATIONS (SDS)
BR-51
< SERVICE DATA AND SPECIFICATIONS (SDS)
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SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
General Specification
INFOID:0000000009484674
Unit: mm (in)
Brake Pedal
INFOID:0000000009484675
Unit: mm (in)
Front brake
Brake model
CLZ33VB
Rotor outer diameter
× thickness
296
× 28 (11.654 × 1.102)
Pad length x width x thickness
140 x 50.5 x 10.0 (5.512 x 1.988 x 0.394)
Cylinder bore diameter (each)
46.4 (1.83)
Rear brake
Brake model
CLZ14VA
Rotor outer diameter
× thickness
286
× 18.0 (11.260 × 0.709)
Pad length
× width × thickness
87.6
× 34 × 11.0 (3.449 × 1.339 × 0.433)
Cylinder bore diameter
38.1 (1.50)
Control valve
Valve model
Electric brake force distribution
Brake booster
Booster model
C215T
Diaphragm diameter
215 (8.465)
Recommended brake fluid
Refer to
MA-12, "Fluids and Lubricants"
Pedal free height (H)
M/T
174.7 (6.88)
A/T
182.1 (7.17)
Pedal full stroke (S)
153 (6.02)
Clearance between pedal bracket (C
1
) and threaded end of stop lamp switch and ASCD cancel switch
(C
2
)
0.74 - 1.96 (0.029 - 0.077)
AWFIA0557ZZ
BR-52
< SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
Brake Booster
INFOID:0000000009484676
Unit: mm (in)
Check Valve
INFOID:0000000009484677
Front Disc Brake
INFOID:0000000009484678
Unit: mm (in)
Rear Disc Brake
INFOID:0000000009484679
Unit: mm (in)
Input rod installation length (B)
145 – 152 (5.71 – 5.98)
WFIA0382E
Vacuum leakage
[at vacuum of -66.7 kPa(-500 mmHg, -19.69 inHg)]
Within 1.3 kPa (10 mmHg, 0.39 inHg) of vacuum for 15 seconds
Brake model
CLZ33VB
Brake pad
Standard thickness (new)
10.0 (0.394)
Minimum thickness
2.0 (0.079)
Disc rotor
Standard thickness (new)
28.0 (1.102)
Minimum thickness
26.0 (1.024)
Maximum uneven wear (measured at 8 positions)
0.015 (0.0006)
Runout limit (with it attached to the vehicle)
0.05 (0.0020)
Brake model
CLZ14VA
Brake pad
Standard thickness (new)
11.0 (0.433)
Minimum thickness
2.0 (0.079)
Disc rotor
Standard thickness (new)
18.0 (0.709)
Minimum thickness
16.0 (0.630)
Maximum uneven wear (measured at 8 positions)
0.015 (0.0006)
Runout limit (with it attached to the vehicle)
0.05 (0.0020)
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