air bleeding NISSAN TEANA 2008 Service Manual

BR-1
BRAKES
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SECTION BR
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CONTENTS
BRAKE SYSTEM
SYMPTOM DIAGNOSIS ..... ..........................3
NOISE, VIBRATION AND HARSHNESS
(NVH) TROUBLESHOOTING ........................ .....
3
NVH Troubleshooting Chart ................................ ......3
PRECAUTION ...............................................4
PRECAUTIONS .............................................. .....4
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ............................................................. ......
4
Precaution Necessary for Steering Wheel Rota-
tion after Battery Disconnect .....................................
4
Precaution for Procedure without Cowl Top Cover ......5
Precaution for Brake System ....................................5
ON-VEHICLE MAINTENANCE .....................6
BRAKE PEDAL .............................................. .....6
Inspection and Adjustment .................................. ......6
BRAKE FLUID .....................................................9
Inspection ............................................................ ......9
Draining .....................................................................9
Refilling .....................................................................9
Bleeding Brake System ...........................................10
BRAKE MASTER CYLINDER ........................ ....11
Inspection ............................................................ ....11
BRAKE BOOSTER ............................................12
Inspection ............................................................ ....12
FRONT DISC BRAKE .................................... ....13
BRAKE PAD .......................................................... ....13
BRAKE PAD : Inspection and Adjustment ..............13
DISC ROTOR ......................................................... ....13
DISC ROTOR : Inspection and Adjustment ............13
REAR DISC BRAKE ...................................... ....15
BRAKE PAD .......................................................... ....15
BRAKE PAD : Inspection and Adjustment ...............15
DISC ROTOR ......................................................... ....15
DISC ROTOR : Inspection and Adjustment .............15
ON-VEHICLE REPAIR .................................17
BRAKE PEDAL ................................ .................17
Exploded View ..................................................... ....17
Removal and Installation .........................................17
Inspection and Adjustment ......................................18
BRAKE PIPING ................................ .................19
FRONT ................................................................... ....19
FRONT : Exploded View .........................................19
FRONT : Hydraulic Piping .......................................20
FRONT : Removal and Installation ..........................21
FRONT : Inspection .................................................21
REAR ..................................................................... ....22
REAR : Exploded View ............................................22
REAR : Hydraulic Piping ..........................................22
REAR : Removal and Installation ............................23
REAR : Inspection ...................................................23
BRAKE MASTER CYLINDER ..........................25
Exploded View .........................................................25
Removal and Installation .........................................25
Disassembly and Assembly .....................................26
Inspection ................................................................27
BRAKE BOOSTER ...........................................28
Exploded View ..................................................... ....28
Removal and installation .........................................28
Inspection and Adjustment ......................................29
VACUUM LINES ...............................................31
Exploded View .........................................................31
Removal and Installation .........................................31
Inspection ................................................................31

BR-10
< ON-VEHICLE MAINTENANCE >
BRAKE FLUID
2. Loosen the bleeder valve, slowly depress the brake pedal to the full stroke, and then release the pedal.
Repeat this operation at intervals of 2 or 3 seconds until all brake fluid is discharged. Then close the
bleeder valve with the brake pedal depressed. Repeat the same work on each wheel.
3. Perform the air bleeding. Refer to BR-10, "
Bleeding Brake System".
Bleeding Brake SystemINFOID:0000000003811176
CAUTION:
 Turn the ignition switch OFF and disconnect the ABS actuator and electric unit (control unit) con-
nector or the battery negative terminal before performing the work.
 Monitor the fluid level in the sub tank during the air bleeding.
 Always use new brake fluid for refilling. Never reuse the drained brake fluid.
1. Connect a vinyl tube to the bleeder valve of the rear right brake.
2. Fully depress the brake pedal 4 to 5 times.
3. Loosen the bleeder valve and bleed air with the brake pedal depressed, and then quickly tighten the
bleeder valve.
4. Repeat steps 2 and 3 until all of the air is out of the brake line.
5. Tighten the bleeder valve to the specified torque.
 Front disc brake: refer to BR-34, "
BRAKE CALIPER ASSEMBLY : Exploded View".
 Rear disc brake: refer to BR-40, "
BRAKE CALIPER ASSEMBLY : Exploded View".
6. Perform steps 1 to 5 for the rear right brake → front left brake → rear left brake → and front right brake in
order.
7. Check that the fluid level in the sub tank is within the specified range after air bleeding. Refer to BR-9,
"Inspection".

BRAKE PIPINGBR-21
< ON-VEHICLE REPAIR >
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FRONT : Removal and InstallationINFOID:0000000003811188
REMOVAL
CAUTION:
Never spill or splash brake fluid on painted surfaces. Brake fluid may seriously damage paint. Wipe it
off immediately and wash with wate r if it gets on a painted surface.
1. Remove tires.
2. Drain brake fluid. Refer to BR-9, "
Draining".
3. Loosen the flare nut with a flare nut wrenc h and separate the brake tube from the hose.
CAUTION:
 Never scratch the flare nut and the brake tube.
 Never bend sharply, twist or strong ly pull out the brake hoses and tubes.
 Cover open end of brake tub es and hoses when disconnecting to prevent entrance of dirt.
4. Remove the union bolt and copper washers, and remove the brake hose from the brake caliper assembly.
5. Remove the lock plate and remove the brake hose.
INSTALLATION
CAUTION:
Never spill or splash brake fluid on painted surfaces. Brake fluid may seriously damage paint. Wipe it
off immediately and wash with wate r if it gets on a painted surface.
1. Assemble the union bolt and the copper washers to the brake hose. CAUTION:
Never reuse the copper washer.
2. Align the brake hose pin to the projection (A) of the brake caliper assembly and tighten the union bolt (1) to the specified torque.
3. Install the brake tube to the brake hose, temporarily tighten the flare nut by hand until it does not rotate further, and fix the brake
hose to the bracket with the lock plate.
CAUTION:
Check that all brake hoses and tubes are not twisted and
bent.
4. Tighten the flare nut to the specified torque with a crowfoot and torque wrench.
CAUTION:
Never scratch the flare nut and the brake tube.
5. Refill with new brake fluid and perform the air bleeding. Refer to BR-10, "
Bleeding Brake System".
CAUTION:
Never reuse drained brake fluid.
FRONT : InspectionINFOID:0000000003811189
INSPECTION AFTER INSTALLATION
1. Check the brake hoses and tubes for the following: no scratches; no twist and deformation; no interfer-
ence with other components when steering the steering wheel; no looseness at connections.
2. Depress the brake pedal with a force of 785N (80 kg, 177 lb) and hold down the pedal for approximately 5
seconds with the engine running. Check for any fluid leakage.
CAUTION:
Retighten the applicable connect ion to the specified torque and repair any abnormal (damaged,
worn or deformed) part if any brake fluid leakage is present.
1. ABS actuator and electric unit (con-
trol unit) 2. Front disc brake 3. Master cylinder assembly
4. Brake booster 5. Connector 6. Rear disc brake
A. Brake tube B. Brake hose : Flare nut
: Union bolt
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BRAKE PIPINGBR-23
< ON-VEHICLE REPAIR >
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REAR : Removal and InstallationINFOID:0000000003811192
REMOVAL
CAUTION:
Never spill or splash brake fluid on painted surfaces. Brake fluid may seriously damage paint. Wipe it
off immediately and wash with wate r if it gets on a painted surface.
1. Remove tires.
2. Drain brake fluid. Refer to BR-9, "
Draining".
3. Loosen the flare nut with a flare nut wrenc h and separate the brake tube from the hose.
CAUTION:
 Never scratch the flare nut and the brake tube.
 Never sharply bend, twist or strongly pull the brake hoses and tubes.
 Cover the open end of brake tubes and hoses wh en disconnecting to prevent entrance of dirt.
4. Remove the union bolt and copper washers, and remove the brake hose from the brake caliper assembly.
5. Remove the lock plate and remove the brake hose from the vehicle.
INSTALLATION
CAUTION:
Never spill or splash brake fluid on painted surfaces. Brake fluid may seriously damage paint. Wipe it
off immediately and wash with wate r if it gets on a painted surface.
1. Assemble the union bolt and the copper washers to the brake hose. CAUTION:
Never reuse copper washer.
2. Install the brake hose L-pin by aligning it with the brake caliper assembly positioning hole, and tighten the union bolt (1) to the
specified torque.
3. Connect the hose to the brake tube, temporarily tighten the flare nut by hand until it does not rotate further, and fix the brake hose
to the bracket with the lock plate.
CAUTION:
Check that the brake hoses and tubes are not twisted and
bent.
4. Tighten the flare nut to the specified torque with a crowfoot and torque wrench.
CAUTION:
Never scratch the flare nut and the brake tube.
5. Refill with new brake fluid and perform the air bleeding. Refer to BR-10, "
Bleeding Brake System".
CAUTION:
Never reuse drained brake fluid.
REAR : InspectionINFOID:0000000003811193
INSPECTION AFTER INSTALLATION
1. Check the brake hoses and tubes for the following: no scratches; no twist and deformation; no interfer-
ence with other components when steering the steering wheel; no looseness at connections.
2. Depress the brake pedal with a force of 785N (80
kg, 177 lb) and hold down the pedal for approximately 5

seconds with the engine running. Check for any fluid leakage.
CAUTION:
1. ABS actuator and electric unit (con- trol unit) 2. Front disc brake 3. Master cylinder assembly
4. Brake booster 5. Connector 6. Rear disc brake
A. Brake tube B. Brake hose : Flare nut
: Union bolt
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BR-26
< ON-VEHICLE REPAIR >
BRAKE MASTER CYLINDER
 The piston may drop off when pulled out strongly. Never hold the piston. Hold the cylinder body
when handling the master cylinder assembly.
INSTALLATION
CAUTION:
Never spill or splash brake fluid on painted surfaces. Brake fluid may seriously damage paint. Wipe it
off immediately and wash with water if it gets on a painted surface.
Note the following, and install the reverse order of removal.
 Never depress the brake pedal after the master cylinder assembly is removed.
 Apply PBC (Poly Butyl Cuprysil) silicone-based grease to the
brake booster [see (A) in the figure] when installing the master cyl-
inder assembly to the brake booster.
 The piston of the master cylinder assembly is exposed. Never
damage it when handling the master cylinder and check that no dirt
and dust are present on the piston before installation. Clean it with
new brake fluid if necessary.
 The piston may drop off when pulled strongly. Never hold the pis-
ton. Hold the cylinder body when handling the master cylinder
assembly.
 Temporarily tighten the brake tube flare nut to the master cylinder
assembly by hand. Then tighten it to the specified torque with a
crowfoot and torque wrench. Refer to BR-19, "
FRONT : Exploded View".
CAUTION:
Never scratch the flare nut and the brake tube.
 After installation, perform the air bleeding. Refer to BR-10, "
Bleeding Brake System".
CAUTION:
Never reuse drained brake fluid.
Disassembly and AssemblyINFOID:0000000003811196
DISASSEMBLY
CAUTION:
 Never disassemble the cylinder body.
 Remove the reservoir tank if necessary.
1. Fix the master cylinder assembly to a vise.
CAUTION:
Always set copper plates or cloth between vise when fixing the cylinder body to a vise. Never
overtighten the vise.
2. Remove the reservoir tank mounting pin with a pin punch.
3. Remove the reservoir tank and grommet from the cylinder body.
CAUTION:
Never drop the removed parts. The parts must not be
reused if they are dropped.
ASSEMBLY
1. Apply new brake fluid to the grommet and install it to the cylinder body.
CAUTION:
 Never use mineral oil such as gasoline or light oil.
 Never reuse the grommets.
2. Install the reservoir tank to the cylinder body.
CAUTION:
 Never drop the parts when installing. The parts must not be reused if they are dropped.
 Never reuse reservoir tank.
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BRAKE BOOSTER
BR-29
< ON-VEHICLE REPAIR >
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 Replace the clevis pin if it is damaged. Refer to BR-18, "Inspection and Adjustment".
 After installation, perform the air bleeding. Refer to BR-10, "
Bleeding Brake System".
CAUTION:
Never reuse drained brake fluid.
Inspection and AdjustmentINFOID:0000000003811200
INSPECTION AFTER REMOVAL
Output Rod Length Inspection
1. With a handy vacuum pump, apply vacuum pressure of −66.7
kPa (−500 mmHg, −19.70 inHg, –0.667 bar) to the brake
booster.
2. Check the output rod length (A).
Input Rod Length Inspection
1. Loosen the lock nut (1) and adjust the input rod (2) to the speci-
fied length (B).
2. Tighten the lock nut to the specified torque.
INSPECTION AFTER INSTALLATION
Operation
Depress the brake pedal several times at 5-second intervals with the
engine stopped. Start the engine with the brake pedal fully
depressed. Check that the clearance between brake pedal and dash
lower pane decreases.
NOTE:
A slight impact with a small click may be felt on the pedal when the
brake pedal is fully depressed. This is a normal phenomenon due to
the brake system operation.
Air Tight
Standard
A: Refer to BR-45, "
Brake Booster".
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Standard
B: Refer to BR-45, "
Brake Booster".
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BRA0037D

BR-36
< ON-VEHICLE REPAIR >
FRONT DISC BRAKE
CAUTION:
Never depress the brake pedal. Brake fluid may splash while removing the brake hose.
1. Remove tires.
2. Fix the disc rotor using wheel nuts.
3. Drain brake fluid. Refer to BR-9, "
Draining".
CAUTION:
Never spill or splash brake fluid on the disc rotor.
4. Remove union bolt and copper washers, and then disconnect brake hose from caliper assembly. Refer to
BR-19, "
FRONT : Exploded View".
5. Remove torque member mounting bolts, and remove brake caliper assembly.
CAUTION:
Never drop brake pads and caliper assembly.
6. Remove disc rotor.
CAUTION:
 Put matching marks on the wheel hub and bearing assembly and the disc rotor before removing
the disc rotor.
 Never drop disc rotor.
INSTALLATION
WARNING:
Clean any dust from the brake caliper and brake pads with a vacuum dust collector. Never blow with
compressed air.
CAUTION:
Never depress the brake pedal. Brake fluid may splash while removing the brake hose.
1. Install disc rotor.
CAUTION:
Align the matching marks put during removal when reusing the disc rotor.
2. Install the brake caliper assembly to the vehicle and tighten the torque member mounting bolts to the
specified torque.
CAUTION:
Never spill or splash any grease and moisture on the brake caliper assembly mounting face,
threads, mounting bolts and washers. Wipe out any grease and moisture.
3. Install brake hose and copper washers to brake caliper assembly, and tighten union bolts to the specified
torque. Refer to BR-19, "
FRONT : Exploded View".
CAUTION:
Never reuse copper washer.
4. Refill with new brake fluid and perform the air bleeding. Refer to BR-10, "
Bleeding Brake System".
CAUTION:
 Never reuse drained brake fluid.
 Never spill or splash brake fluid on the disc rotor.
5. Check a drag of front disc brake. If any drag is found, refer to BR-38, "
BRAKE CALIPER ASSEMBLY :
Inspection".
BRAKE CALIPER ASSEMBLY : Disassembly and AssemblyINFOID:0000000003811209
DISASSEMBLY
NOTE:
Never remove the torque member and pad retainers when disassembling and assembling the cylinder body.
1. Remove the sliding pin bolts, and remove the cylinder body from the torque member.
CAUTION:
Never drop brake pads, shims, shim cover and pad retainers from torque member.
2. Remove brake pads, shims and shim cover. Refer to BR-33, "
BRAKE PAD : Exploded View".
3. Remove sliding pins and sliding pin boots from torque member.
4. Remove bushing from sliding pin.

BR-42
< ON-VEHICLE REPAIR >
REAR DISC BRAKE
Clean any dust from the brake caliper and brake pads with a vacuum dust collector. Never blow with
compressed air.
CAUTION:
Never depress the brake pedal. Brake fluid may splash while removing the brake hose.
1. Remove tires.
2. Fix the disc rotor using wheel nuts.
3. Drain brake fluid. Refer to BR-9, "
Draining".
CAUTION:
Never spill or splash brake fluid on the disc rotor.
4. Remove union bolt and copper washers then disconnect brake hose from caliper assembly.
5. Remove torque member mounting bolts, and remove brake caliper assembly.
CAUTION:
Never drop brake pads and caliper assembly.
6. Remove disc rotor.
CAUTION:
 Put matching marks on the wheel hub and bearing assembly and the disc rotor before removing
the disc rotor.
 Never drop disc rotor.
INSTALLATION
WARNING:
Clean any dust from the brake caliper and brake pads with a vacuum dust collector. Never blow with
compressed air.
CAUTION:
Never depress the brake pedal. Brake fluid may splash while removing the brake hose.
1. Install disc rotor.
CAUTION:
Align the matching marks put during removal when reusing the disc rotor.
2. Install the brake caliper assembly to the vehicle and tighten the torque member mounting bolts to the
specified torque.
CAUTION:
Never spill or splash any grease and moisture on the brake caliper assembly mounting face,
threads, mounting bolts, and washers. Wipe out any grease and moisture.
3. Install brake hose and copper washers to brake caliper assembly, and tighten union bolts to the specified
torque. Refer to BR-22, "
REAR : Exploded View".
CAUTION:
Never reuse copper washer.
4. Refill with new brake fluid and perform the air bleeding. Refer to BR-10, "
Bleeding Brake System".
CAUTION:
 Never reuse drained brake fluid.
 Never spill or splash brake fluid on the disc rotor.
5. Check that no drag feel is present for the rear disc brake. Refer to BR-44, "
BRAKE CALIPER ASSEMBLY
: Inspection".
BRAKE CALIPER ASSEMBLY : Disassembly and AssemblyINFOID:0000000003811216
DISASSEMBLY
NOTE:
Never remove the torque member and pad retainers when disassembling and assembling the cylinder body.
1. Remove the sliding pin bolts and remove the cylinder body from the torque member.
2. Remove brake pads and shims. Refer to BR-39, "
BRAKE PAD : Exploded View".
3. Remove sliding pin boots from torque member.
4. Remove bushing from sliding pin bolt.

BRC-50
< SYMPTOM DIAGNOSIS >[ABS]
UNEXPECTED PEDAL REACTION
UNEXPECTED PEDAL REACTION
Diagnosis ProcedureINFOID:0000000003766853
1.CHECK BRAKE PEDAL STROKE
Check brake pedal stroke. Refer to BR-6, "
Inspection and Adjustment".
Is the stroke too large?
YES >>  Bleed air from brake tube and hose. Refer to BR-10, "Bleeding Brake System".
 Check brake pedal, brake booster, and master cylinder for mount play, looseness, brake system
fluid leakage, etc.
- Brake pedal: Refer to BR-6, "
Inspection and Adjustment".
- Brake booster: Refer to BR-12, "
Inspection".
- Brake master cylinder: Refer to BR-11, "
Inspection".
NO >> GO TO 2.
2.CHECK FUNCTION
Disconnect ABS actuator and electric unit (control unit) connector to deactivate ABS. Check if braking force is
normal in this condition. Connect connector after inspection.
Is the inspection result normal?
YES >> Normal
NO >> Check brake system.

BRC-60
< ON-VEHICLE REPAIR >[ABS]
ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
Exploded ViewINFOID:0000000003766873
Removal and InstallationINFOID:0000000003766874
REMOVAL
CAUTION:
 Before servicing, disconnect the battery cable from negative terminal.
 To remove brake tube, use a flare nut wrench to prevent flare nuts and brake tube from being dam-
aged. To install, use flare nut torque wrench.
 Do not apply excessive impact to ABS actuator and electric unit (control unit), such as dropping it.
 Do not remove and install actuator by holding harness.
 After work is completed, bleed air from brake tube. Refer to BR-10, "
Bleeding Brake System".
1. Remove cowl top cover. Refer to EXT-20, "
Exploded View".
2. Disconnect ABS actuator and electric unit (control unit) connector.
3. Loosen brake tube flare nuts, then remove brake tubes from ABS actuator and electric unit (control unit).
4. Remove ABS actuator and electric unit (control unit) bracket mounting nuts.
5. Remove ABS actuator and electric unit (control unit) from vehicle.
INSTALLATION
Note the following, and install in the reverse order of removal.
CAUTION:
 Before servicing, disconnect the battery cable from negative terminal.
1. ABS actuator and electric unit (control
unit)2. Bushing 3. Bracket
A. From master cylinder secondary side B. From master cylinder primary side C. To front LH brake caliper
D. To rear RH brake caliper E. To rear LH brake caliper F. To front RH brake caliper
: Vehicle front
Refer to GI section GI-4, "
Components" for symbol marks in the figure.
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