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BR


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F BRAKES

                                                                                                                                                                 A


                                                                                                                                                                 B
                                                                                                 SECTION
                                                                                                           BRAKE SYSTEM                                          C


                                                                                                                                                                 D


                                                                                                                                                                 E
                                                                 CONTENTS
PRECAUTIONS ......................................................... 3.            AIRTIGHT CHECK ............................................. 17     .        BR
 Precautions for Supplemental Restraint System                                    Removal and Installation ....................................... 17   .
 (SRS) "AIR BAG" and "SEAT BELT PRE-TEN-                                            REMOVAL .......................................................... 17
                                                                                                                                                        .
 SIONER" ................................................................. 3
                                                                       .            INSPECTION AFTER REMOVAL ...................... 18                  .        G
 Precautions for Brake System ................................. 3      .            INSTALLATION .................................................. 18  .
 Wiring Diagrams and Trouble Diagnosis ................. 3             .         VACUUM LINES ...................................................... 19 .
PREPARATION .......................................................... 4
                                                                       .          Removal and Installation ....................................... 19   .
                                                                                                                                                                 H
 Special Service Tools .............................................. 4.          Inspection .............................................................. 20
                                                                                                                                                        .
 Commercial Service Tools ....................................... 4    .            VISUAL INSPECTION ........................................ 20       .
NOISE, VIBRATION, AND HARSHNESS (NVH)                                               CHECK VALVE INSPECTION ............................ 20              .
TROUBLESHOOTING ............................................... 5      .         VACUUM PIPING ..................................................... 21 .         I
 NVH Troubleshooting Chart .................................... 5      .          Vacuum Hose ........................................................ 21
                                                                                                                                                        .
BRAKE PEDAL AND BRACKET .............................. 6               .          Removal and Installation ....................................... 21   .
 Removal and Installation ......................................... 6  .          Inspection .............................................................. 22
                                                                                                                                                        .        J
 Inspection ................................................................ 6
                                                                       .            HOSES AND CONNECTORS ............................ 22                .
 Adjustment .............................................................. 7
                                                                       .            CHECK VALVE ................................................... 22  .
BRAKE FLUID ........................................................... 8
                                                                       .         FRONT DISC BRAKE .............................................. 23     .
                                                                                                                                                                 K
 Checking Brake Fluid Level .................................... 8     .          Components .......................................................... 23
                                                                                                                                                        .
 Checking Brake Line ............................................... 8 .          Pad Replacement .................................................. 23 .
 Changing Brake Fluid .............................................. 8 .          Caliper Removal and Installation ........................... 24       .
 Bleeding Brake System ........................................... 9   .            REMOVAL .......................................................... 24
                                                                                                                                                        .        L
BRAKE PIPING AND HOSE ................................... 10           .            INSTALLATION .................................................. 24  .
 Hydraulic Circuit .................................................... 10
                                                                       .          Caliper Disassembly and Assembly ...................... 25            .
 Front and Rear Brake Piping and Hose .................11              .            DISASSEMBLY .................................................. 25   .        M
   REMOVAL ...........................................................11
                                                                       .            INSPECTION AFTER DISASSEMBLY ............... 25                     .
   INSTALLATION ...................................................11  .            DISC ROTOR INSPECTION .............................. 25             .
 Inspection ...............................................................11
                                                                       .            ASSEMBLY ........................................................ 26.
MASTER CYLINDER ............................................... 12     .          Brake Burnishing Procedure .................................. 27      .
 Components .......................................................... 12
                                                                       .         REAR DRUM BRAKE .............................................. 28      .
 Removal and Installation ....................................... 12   .          Components .......................................................... 28
                                                                                                                                                        .
   REMOVAL .......................................................... 12
                                                                       .          Inspection .............................................................. 28
                                                                                                                                                        .
   INSTALLATION .................................................. 13  .            WHEEL CYLINDER ........................................... 28       .
 Disassembly and Assembly .................................. 13        .          Removal and Installation ....................................... 28   .
   DISASSEMBLY .................................................. 13   .            REMOVAL .......................................................... 28
                                                                                                                                                        .
   INSPECTION AFTER DISASSEMBLY .............. 14                      .            INSPECTION AFTER REMOVAL ...................... 30                  .
   ASSEMBLY ........................................................ 14.            INSTALLATION .................................................. 30  .
BRAKE BOOSTER .................................................. 17    .          Wheel Cylinder Disassembly an Assembly ........... 31                 .
 On-vehicle Service ................................................ 17.         SERVICE DATA AND SPECIFICATIONS (SDS) ..... 32                         .
   OPERATING CHECK ......................................... 17        .          General Specifications ........................................... 32 .
                                                                                  Disc Brake ............................................................. 32
                                                                                                                                                        .


                                                                           BR-1
Drum Brake ........................................................... 32
                                                                    .        Parking Brake Control ............................................33
                                                                                                                                                .
Brake Pedal ........................................................... 32
                                                                    .        Brake Booster ........................................................33
                                                                                                                                                .




                                                                        BR-2
                                             PRECAUTIONS

PRECAUTIONS                                                         PFP:00001
                                                                                                                       A
Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER"                                                                                         EFS002NY


The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE-TENSIONER", used along B
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front C
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the SRS and SB section of this Service Man-
ual.
WARNING:                                                                                                              D
q    To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death
     in the event of a collision which would result in air bag inflation, all maintenance must be per-
     formed by an authorized NISSAN/INFINITI dealer.                                                                  E
q    Improper maintenance, including incorrect removal and installation of the SRS, can lead to per-
     sonal injury caused by unintentional activation of the system. For removal of Spiral Cable and Air
     Bag Module, see the SRS section.                                                                                BR
q    Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
     Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or
     harness connectors.
                                                                                                                      G
Precautions for Brake System                                                                                EFS002MU


q Use brake fluid "DOT 3".
                                                                                                                       H
q Never reuse drained brake fluid.
q Be careful not to splash brake fluid on painted areas; it may
  cause paint damage. If brake fluid is splashed on painted
  areas, wash it away with water immediately.                                                                          I
q To clean master cylinder parts, disc brake caliper parts or
  wheel cylinder parts, use clean brake fluid.
                                                                                                                       J
q Never use mineral oils such as gasoline or kerosene. They
  will ruin rubber parts of hydraulic system.
q Use flare nut wrench when removing and installing brake                                    SBR686C
  tubes.                                                                                                               K
q Always torque brake lines when installing.
q Burnish the brake contact surfaces after refinishing or replacing drums or rotors, after replacing
  pads or linings, or if a soft pedal occurs at very low mileage. Refer to BR-27, "Brake Burnishing                    L
  Procedure" .
WARNING:
q Clean brakes with a vacuum dust collector to minimize risk of health hazard from powder caused                       M
  by friction.
Wiring Diagrams and Trouble Diagnosis                                                                       EFS002MV


When you read wiring diagrams, refer to the following:
q  Refer to GI-8, "How to Follow Trouble Diagnoses" .
q  Refer to PG-8, "POWER SUPPLY ROUTING" for power distribution circuit.
When you perform trouble diagnosis, refer to the following:
q  Refer to GI-9, "HOW TO FOLLOW TEST GROUPS IN TROUBLE DIAGNOSES" .
q  Refer to GI-25, "How to Perform Efficient Diagnosis for an Electrical Incident" .




                                                     BR-3
                                                       PREPARATION

PREPARATION                                                                                                                   PFP:00002

Special Service Tools                                                                                                            EFS002MW

The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
  Tool number
  (Kent-Moore No.)                                                                        Description
  Tool name
  KV40106500                                                                             Removing wheel bearing and ABS sensor ro-
  (J25852-B)                                                                             tor
  Rear axle shaft bearing puller




                                                                         NT683



Commercial Service Tools                                                                                                         EFS002MX


  Tool name                                                                                               Description
  1 Flare nut crowfoot                                                                   Removing and installing each brake piping
  2 Torque wrench                                                                        a: 10 mm (0.39 in)




                                                                            NT360


  Brake fluid pressure gauge                                                             Measuring brake fluid pressure




                                                                        NT151


  Rear wheel sensor rotor drift                                                          Installing rear wheel sensor rotor
                                                                                         a: 75 mm (2.95 in) dia.
                                                                                         b: 63 mm (2.48 in) dia.




                                                                         NT509




                                                                BR-4
                                                            Symptom


                           



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