Nissan Versa Sedan. Instruction — part 101
BR-42
< REMOVAL AND INSTALLATION >
REAR DRUM BRAKE
• Do not drop the removed parts.
• Do not spill or splash brake fluid on the brake drum.
NOTE:
When removing components such as hoses, tubes/lines, etc., cap or plug openings to prevent fluid from spill-
ing.
REMOVAL
1. Remove the wheel and tire assemblies using power tool. Refer to
2. Drain the brake fluid when removing or disassembling the wheel cylinder is necessary. Refer to
3. Remove the brake drum. Refer to
.
NOTE:
• Make sure the parking brake lever is fully released prior to removal of the brake drum.
• The rear wheel hub is housed inside the brake drum.
4. Remove the springs (1) by pushing them inward toward the
vehicle and rotating, this will release the shoe hold pins, and the
brake shoe assembly (brake shoes, each spring, and adjuster).
CAUTION:
Do not damage the boot of the wheel cylinder.
5. Disconnect the parking brake cable from operating lever.
CAUTION:
Do not bend the parking brake lever.
6. Disassemble the brake shoe assembly (brake shoe, each
spring, and adjuster).
7. Remove the wheel cylinder with the following procedure.
a. Disconnect the brake tube from the wheel cylinder.
b. Remove the two bolts and the wheel cylinder from back plate.
8. Perform inspection after removal. Refer to
INSTALLATION
WARNING:
Since dust covering the rear brake has an affect on human body, the dust must be removed with a
dust collector. Do not splatter the dust with an air blow gun.
CAUTION:
• Do not depress the brake pedal while removing the brake drum.
• Do not drop the removed parts.
• Do not spill or splash brake fluid on the brake drum.
Note the following, and install in the reverse of removal.
• Check the difference between left and right wheel of adjuster.
JSFIA0636ZZ
JSFIA1056ZZ
2014 Versa Sedan
REAR DRUM BRAKE
BR-43
< REMOVAL AND INSTALLATION >
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: Front
• Shorten the length of the adjuster by rotating it.
• Apply PBC (Poly Butyl Cuprysil) silicone-based grease to the mat-
ing surfaces between the adjusters and the brake shoes.
• Apply PBC (Poly Butyl Cuprysil) silicone-based grease to the mat-
ing surfaces between the back plates and the brake shoes.
• Apply PBC (Poly Butyl Cuprysil) silicone-based grease to the mat-
ing surfaces between the wheel cylinders and brake shoes.
• Apply PBC (Poly Butyl Cuprysil) silicone-based grease to the mating surfaces between the brake shoe
anchor areas and brake shoes.
• Do not damage the wheel cylinder.
• Check the component parts of drum brake assembly are installed
properly.
• Check the brake shoe sliding surface and brake drum inner sur-
face for grease. Make sure that grease does not contact the lining
material.
• Perform the air bleeding when removed or disassembled the wheel
cylinder. Refer to
BR-12, "Bleeding Brake System"
• Do not allow foreign matter (e.g. dust) and oils other than brake
fluid to enter the reservoir tank.
• Adjust the brake shoe clearance (parking brake lever stroke) after
install and air bleeding. Refer to
.
Disassembly and Assembly
INFOID:0000000009267562
DISASSEMBLY
1. Remove the boot from wheel cylinder. Refer to
.
2. Remove the piston, piston cup and spring from wheel cylinder.
CAUTION:
Pull the piston out from the wheel cylinder to prevent the wheel cylinder inner wall from being
damaged.
3. Remove piston cup from piston.
4. Perform inspection after disassembly. Refer to
BR-43, "Inspection and Adjustment"
.
ASSEMBLY
1. Apply rubber grease to the piston cup (1) and boot (2).
2. Install piston cup and boot to piston (3).
CAUTION:
• Do not mistake the direction.
• Do not reuse piston cup and boot.
3. Apply new brake fluid to piston and wheel cylinder inner wall,
and install spring, piston cover, piston to wheel cylinder.
CAUTION:
Do not damage the wheel cylinder inner wall.
4. Install the boot to wheel cylinder. Refer to
.
5. Perform inspection after assembly. Refer to
BR-43, "Inspection and Adjustment"
.
Inspection and Adjustment
INFOID:0000000009267563
INSPECTION AFTER REMOVAL
Check the following items and replace if necessary.
Adjuster
Direction
Left side
Left screw
Right side
Right screw
JPFIA0904ZZ
JSFIA0637ZZ
JPFIA0915ZZ
2014 Versa Sedan
BR-44
< REMOVAL AND INSTALLATION >
REAR DRUM BRAKE
• Check the brake lining for excessive wear, damage, and peeling.
• Check the brake shoe sliding surface for excessive wear and damage.
• Check each spring for settling, excessive wear, damage, and rust.
• Check the adjuster for smoothness, and check it for excessive wear, damage, and rust.
• Check the back plate for damage, cracks, and deformation.
• Check the wheel cylinder for cracks, damage, and leakage of brake fluid.
• Visually check the brake drum for excessive wear, cracks, and damage with a pair of vernier calipers.
• Check the drum brake component parts for excessive wear, damage, and rust.
INSPECTION AFTER DISASSEMBLY
Check the following items and replace if necessary.
• Check the wheel cylinder inner wall for excessive wear, cracks, and damage.
• Check the piston for excessive wear and damage.
INSPECTION AFTER ASSEMBLY
Check that the piston moves smoothly.
INSPECTION AFTER INSTALLATION
1. Check that the component parts of drum brake assembly are installed properly.
2. Rotate the brake drum and check that there is no drag. Perform the following procedure if necessary.
3. Remove the brake shoe. Refer to
BR-41, "Removal and Installation"
4. Push the piston.
CAUTION:
Push both side of the piston simultaneously.
5. Install the brake shoe. Refer to
BR-41, "Removal and Installation"
.
6. Adjust the brake shoe clearance (parking brake lever stroke). Refer to
PB-4, "Inspection and Adjustment"
.
7. Check a drag of rear drum brake again. If any drag is found, disassemble the wheel cylinder and replace
if necessary. Refer to
BR-43, "Disassembly and Assembly"
8. Burnish contact surface between brake lining and brake drum after refinishing or replacing brake lining or
brake drum, or if a soft pedal occurs at very low mileage. Refer to
BR-17, "BRAKE LINING : Inspection
BR-17, "BRAKE DRUM : Inspection and Adjustment"
(brake drum).
ADJUSTMENT AFTER INSTALLATION
Adjust the brake shoe clearance (parking brake lever stroke). Refer to
PB-4, "Inspection and Adjustment"
.
2014 Versa Sedan
SERVICE DATA AND SPECIFICATIONS (SDS)
BR-45
< SERVICE DATA AND SPECIFICATIONS (SDS)
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SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
General Specifications
INFOID:0000000009267564
Unit: mm (in)
Brake Pedal
INFOID:0000000009267565
Unit: mm (in)
Brake Booster
INFOID:0000000009267566
Unit: mm (in)
Front Disc Brake
INFOID:0000000009267567
Unit: mm (in)
Rear Drum Brake
INFOID:0000000009267568
Unit: mm (in)
Front brake
Cylinder bore diameter
54.025 (2.13)
Pad length
× width × thickness
115.0
× 41.0 × 9.0 (4.53 × 1.614 × 0.354)
Rotor outer diameter
× thickness
260
× 22.0 (10.24 × 0.87)
Rear brake
Cylinder bore diameter
19.05 (3/4)
Lining length
× width × thickness
Trailing: 172
× 37 × 4.8 (6.77 × 1.46 × 0.19)
Leading: 155
× 37 × 4.8 (6.10 ×1.46 × 0.19)
Drum inner diameter - new
203.2 (8.00)
Master cylinder
Cylinder bore diameter
19 (0.75)
Control valve
Valve type
Electric brake force distribution
Brake booster
Diaphragm diameter
255 (10)
Recommended brake fluid
MA-12, "Fluids and Lubricants"
.
Item
Standard
Brake pedal height
158
±5 (6.22 ±0.20)
Clearance among the brake pedal lever and the stop lamp switch threaded end
0.2 – 1.96 (0.008 – 0.0772)
Brake pedal full stroke
128 (5.04)
Item
Standard
Input rod length
125 (4.92)
Item
Limit
Brake pad
Wear thickness
2.0 (0.08)
Disc rotor
Wear thickness
20.0 (0.787)
Thickness variation (measured at 8 positions)
0.013 (0.001)
Runout (with it attached to the vehicle)
0.055 (0.002)
Item
Limit
Brake lining
Wear thickness
1.0 (0.04)
Brake drum
Wear inner diameter- maximum
204.2 (8.04)
2014 Versa Sedan
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