Nissan Sentra. Manual - part 150

 

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Nissan Sentra. Manual - part 150

 

 

BR-42

< REMOVAL AND INSTALLATION >

REAR DRUM BRAKE

REAR DRUM BRAKE

Exploded View

INFOID:0000000009756019

Removal and Installation

INFOID:0000000009756020

WARNING:

Clean dust from brake drum and shoe assembly with a vacuum dust collector to minimize the hazard

of air borne particles or other materials.

CAUTION:

• Do not depress the brake pedal while removing the brake drum because the pistons may pop out.

• Do not drop the removed parts.

1.

Shoe hold pin

2.

Back plate

3.

Plug

4.

Brake shoe

5.

Spring

6.

Upper spring

7.

Adjuster

8.

Return spring

9.

Brake drum

10. Boot

11. Piston

12.

Piston cup

13. Spring

14. Wheel cylinder

15.

Bleeder valve

16. Cap

A.

Apply rubber grease

B.

Apply PBC (Poly Butyl Cuprysil) 
grease or silicone-based grease

Apply brake fluid

AWFIA1075ZZ

REAR DRUM BRAKE

BR-43

< REMOVAL AND INSTALLATION >

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• Do not spill or splash brake fluid on painted surfaces. Brake fluid may damage paint. If brake fluid is

splashed on painted areas, wash it away with water immediately.

• Do not spill or splash brake fluid on the brake drum.

REMOVAL

NOTE:

When removing components such as hoses, tubes/lines, etc., cap or plug openings to prevent fluid from spill-

ing.
1. Remove rear wheels and tires using power tool. Refer to 

WT-47, "Removal and Installation"

.

2. Drain the brake fluid when removing or disassembling the wheel cylinder is necessary. Refer to 

BR-17,

"Drain and Refill"

.

3. Remove the brake drum. Refer to 

BR-42, "Exploded View"

.

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.

INSPECTION AFTER REMOVAL

Check the following items and replace if necessary.

• 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.

INSTALLATION

Installation is in the reverse order of removal.

CAUTION:

• Apply lubrication to the directed areas only.

• Do not damage the wheel cylinder.

JSFIA0636ZZ

JSFIA1056ZZ

BR-44

< REMOVAL AND INSTALLATION >

REAR DRUM BRAKE

• Check the difference between left and right wheel of adjuster.

: Front

• Shorten the length of the adjuster by rotating it.

• Apply PBC (Poly Butyl Cuprysil) grease or silicone-based grease

to the mating surfaces between the adjusters and the brake shoes.

• Apply PBC (Poly Butyl Cuprysil) grease or silicone-based grease

to the mating surfaces between the back plates and the brake

shoes.

• Apply PBC (Poly Butyl Cuprysil) grease or silicone-based grease to the pistons.

• 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-17, "Bleeding Brake System"

.

• Adjust the brake shoe clearance (parking brake lever stroke) after

installation and air bleeding. Refer to 

BR-13, "BRAKE LINING :

Inspection"

.

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.
4. Push the piston.

CAUTION:

Push both sides of the piston simultaneously.

5. Install the brake shoe.
6. Adjust the brake shoe clearance (parking brake lever stroke). Refer to 

BR-13, "BRAKE LINING : Inspec-

tion"

.

7. Check drag of rear drum brake again. If any drag is found, disassemble the wheel cylinder and replace if

necessary. Refer to 

BR-51, "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-20, "Brake Burnishing"

.

ADJUSTMENT AFTER INSTALLATION

Adjust the brake shoe clearance (parking brake lever stroke). Refer to 

BR-13, "BRAKE LINING : Inspection"

.

Adjuster

Direction

Left side

Left screw

Right side

Right screw

JPFIA0904ZZ

JSFIA0637ZZ

REAR DISC BRAKE

BR-45

< REMOVAL AND INSTALLATION >

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REAR DISC BRAKE

BRAKE PAD
BRAKE PAD : Exploded View

INFOID:0000000009756021

BRAKE PAD : Removal and Installation

INFOID:0000000009756022

REMOVAL

WARNING:

Clean dust on brake caliper and brake pad with a vacuum dust collector to minimize the hazards of air-

borne particles or other material.

CAUTION:

• Do not depress the brake pedal while removing the brake pads because the pistons may pop out.

• It is not necessary to remove bolts on torque member and brake hose except for disassembly or

replacement of brake caliper. For brake pad removal, hang brake caliper with a wire so as not to

stretch brake hose.

• If brake fluid or grease adheres to the brake caliper or disc rotor, quickly wipe it off.
1. Remove rear wheels and tires using power tool. Refer to 

WT-47, "Removal and Installation"

.

2. Remove sliding pin bolts.
3. Remove the brake caliper from the torque member. Leaving brake hose attached, reposition the brake

caliper aside with wire.

4. Remove the brake pads, shims, shim covers and pad retainers from the torque member.

CAUTION:

1.

Upper sliding pin bolt

2.

Lower sliding pin bolt

3.

Bushing

4.

Cylinder body

5.

Inner shim cover

6.

Inner shim

7.

Inner pad (with pad wear sensor)

8.

Pad retainer

9.

Torque member

10. Outer pad

11. Outer shim

12. Outer shim cover

A.

Apply rubber grease

B.

Molykote AS880N

AWFIA0979ZZ

 

 

 

 

 

 

 

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