Nissan Sentra. Instruction — part 147
BR-30
< REMOVAL AND INSTALLATION >
BRAKE PIPING
CAUTION:
• All hoses and piping (tubes) must be free from excessive bending, twisting and pulling.
• Make sure there is no interference with other parts.
• The brake piping is an important safety part. If a brake fluid leak is detected, always disassemble the
parts. Replace applicable part with a new one, if necessary.
• 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 bend or twist brake hose sharply, or strongly pull it.
• When removing components, cover connections so that no dirt, dust, or other foreign matter gets in.
• Do not reuse drained brake fluid.
• After installation of the ABS actuator and electric unit (control unit), refill brake system with new
brake fluid. Then bleed the air from the system. Refer to
BR-17, "Bleeding Brake System"
.
REAR : Removal and Installation
INFOID:0000000009756008
DRUM BRAKES
NOTE:
When removing components such as hoses, tubes/lines, etc., cap or plug openings to prevent fluid from spill-
ing.
Removal
CAUTION:
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.
1. Remove wheels and tires using power tool. Refer to
WT-47, "Removal and Installation"
2. Drain brake fluid. Refer to
3. Loosen the flare nut with suitable tool and separate the brake pipe from the brake hose.
CAUTION:
• Do not scratch the flare nut and the brake pipe.
• All brake hoses and pipes must be free from excessive bending, twisting and pulling.
4. Remove the lock plate and remove the brake hose from the vehicle.
5. Loosen the flare nut with a flare nut wrench and separate the brake pipe from the wheel cylinder, and
remove the brake pipe.
Installation
1. Connect the brake pipe to the wheel cylinder, temporarily tighten the flare nut by hand until it does not
rotate further.
2. Connect the brake hose to the brake pipe, temporarily tighten the flare nut by hand until it does not rotate
further, and secure the brake hose to the bracket with the lock plate.
CAUTION:
Check that the brake hoses and pipes are not bent or twisted.
3. Tighten the flare nut to the specified torque using suitable tool.
CAUTION:
Do not scratch the flare nut and the brake tube.
4. Refill with new brake fluid and perform the air bleeding. Refer to
BR-17, "Bleeding Brake System"
.
CAUTION:
Do not reuse drained brake fluid.
5. Install the wheels and tires. Refer to
WT-47, "Removal and Installation"
DISC BRAKES
NOTE:
When removing components such as hoses, tubes/lines, etc., cap or plug openings to prevent fluid from spill-
ing.
Removal
1. Remove the wheels and tires using power tool. Refer to
WT-47, "Removal and Installation"
2. Drain brake fluid. Refer to
3. Loosen the flare nut with suitable tool and separate the brake tube from the hose.
CAUTION:
BRAKE PIPING
BR-31
< REMOVAL AND INSTALLATION >
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• Do not scratch the flare nut and the brake pipe.
• All brake hoses and pipes must be free from excessive bending, twisting and pulling.
4. Remove the union bolt (A) and the brake hose from the brake
caliper. Remove and discard the copper sealing washers (1).
CAUTION:
Do not reuse copper sealing washers.
5. Remove the lock plate and remove the brake hose.
Installation
CAUTION:
Do not allow foreign matter (e.g. dust) and oils other than brake fluid to enter the reservoir tank.
1. Assemble the union bolt (A) and the copper sealing washers (1)
to the brake hose and install it as an assembly to the brake cali-
per. Align the brake hose L-pin by aligning it with the brake cali-
per hole, and tighten the union bolt (A) to the specified torque.
CAUTION:
Do not reuse copper sealing washers.
2. Install the brake pipe to the brake hose, temporarily tighten the
flare nut by hand until it does not rotate further, and attach the
brake hose to the bracket with the lock plate.
CAUTION:
Check that the brake hoses and pipes are not bent or
twisted.
3. Tighten the flare nut to the specified torque using suitable tool.
CAUTION:
Do not scratch the flare nut and the brake pipe.
4. Refill with new brake fluid and perform the air bleeding. Refer to
BR-17, "Bleeding Brake System"
.
CAUTION:
Do not reuse drained brake fluid.
5. Install the wheels and tires. Refer to
WT-47, "Removal and Installation"
.
AWFIA0795ZZ
AWFIA0795ZZ
BR-32
< REMOVAL AND INSTALLATION >
BRAKE MASTER CYLINDER
BRAKE MASTER CYLINDER
Exploded View
INFOID:0000000009756009
Removal and Installation
INFOID:0000000009756010
REMOVAL
CAUTION:
• 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 scratch the piston of master cylinder when installing/removing because the piston is
exposed. Check for any dust on the piston, and wash with brake fluid if needed.
• Hold the master cylinder body when handing the master cylinder assembly. Do not hold the piston
because the piston might become detached if pulled strongly.
• Refill the reservoir tank with new brake fluid “DOT 3”.
• Do not reuse drained brake fluid.
• Do not reuse master cylinder O-ring.
NOTE:
When removing components such as hoses, tubes/lines, etc., cap or plug openings to prevent fluid from spill-
ing.
1. Partially drain brake fluid. Refer to
2. Disconnect the harness connector from the brake fluid level switch.
3. Remove air duct and air cleaner case. Refer to
EM-25, "Removal and Installation"
4. Remove the engine room insulator and position aside.
5. Separate the brake tube from master cylinder assembly with a suitable tool.
CAUTION:
1.
Reservoir cap
2.
Oil strainer
3.
Reservoir tank
4.
Cylinder body
5.
Pin
6.
O-ring
7.
Grommet
Apply brake fluid
PBC (Poly Butyl Cuprysil) grease or
silicone-based grease
JSFIA0476GB
BRAKE MASTER CYLINDER
BR-33
< REMOVAL AND INSTALLATION >
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Do not scratch the flare nut and the brake tube.
6. Disconnect the clutch hose (if equipped).
7. Remove the master cylinder assembly.
CAUTION:
• Do not deform or bend the brake tubes.
• Do not depress the brake pedal after the master cylinder assembly is removed.
• The piston of the master cylinder assembly is exposed. Do not damage the piston when remov-
ing the master cylinder.
• The piston may drop off when pulled out strongly. Do not hold the piston. Hold the cylinder body
when handling the master cylinder assembly.
8. Remove and discard the O-ring.
CAUTION:
Do not reuse O-ring.
INSTALLATION
Installation is in the reverse order of removal.
CAUTION:
Do not reuse O-ring.
• Apply PBC (Poly Butyl Cuprysil) grease or equivalent to the brake
booster (A) when installing the master cylinder assembly to the
brake booster.
• Temporarily tighten the brake tube flare nut to the master cylinder assembly by hand. Then tighten it to the
specified torque.Refer to
BR-25, "FRONT : Exploded View"
.
• Perform the air bleeding. Refer to
BR-17, "Bleeding Brake System"
.
JPFIA0013ZZ
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