Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Infiniti M45 M35 Y50 2006-2007 Approved M45_M35-Y50-2006 br

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BRAKE SYSTEM

F BRAKES

SECTION
BRAKE SYSTEM
BR B

E
CONTENTS
PRECAUTIONS ......................................................... 3
. REMOVAL .......................................................... 15
. BR
Precautions for Supplemental Restraint System INSTALLATION .................................................. 15 .
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- Disassembly and Assembly ................................... 16 .
SIONER" ................................................................. 3
. COMPONENTS .................................................. 16 . G
Precautions for Procedures without Cowl Top Cover 3 ..... Disassembly and Assembly ................................... 16 .
Precautions for Brake System ................................. 3 . DISASSEMBLY .................................................. 16 .
PREPARATION .......................................................... 4
. ASSEMBLY ........................................................ 17.
H
Commercial Service Tools ....................................... 4 . BRAKE BOOSTER .................................................. 18 .
NOISE, VIBRATION AND HARSHNESS (NVH) On-Board Inspection and Service .......................... 18 .
TROUBLESHOOTING ............................................... 5 . OPERATION CHECK ......................................... 18 .
NVH Troubleshooting Chart .................................... 5 . AIR TIGHT CHECK ............................................ 18 . I
BRAKE PEDAL ......................................................... 6
. Removal and Installation ....................................... 19 .
Inspection and Adjustment ...................................... 6 . COMPONENTS .................................................. 19 .
ADJUSTMENT ..................................................... 7. REMOVAL .......................................................... 19
. J
Removal and Installation ......................................... 7. INSTALLATION .................................................. 19 .
COMPONENTS ................................................... 7 . VACUUM LINES ...................................................... 21 .
REMOVAL ............................................................ 8
. Components .......................................................... 21
.
K
INSPECTION AFTER REMOVAL ........................ 8 . Removal and Installation ....................................... 22 .
INSTALLATION .................................................... 9
. Inspection .............................................................. 22
.
BRAKE FLUID ......................................................... 10
. VISUAL INSPECTION ........................................ 22 .
On-Board Inspection ............................................. 10. CHECK VALVE INSPECTION ............................ 22 . L
CHECKING BRAKE FLUID LEVEL ................... 10 . FRONT DISC BRAKE .............................................. 23 .
Checking Brake Line ............................................. 10. On-Board Inspection .............................................. 23 .
Drain and Refill ...................................................... 10
. PAD WEAR INSPECTION .................................. 23 . M
Bleeding Brake System ..........................................11 . Components .......................................................... 23
.
BRAKE TUBE AND HOSE ...................................... 12 . Removal and Installation of Brake Pad ................. 24 .
Hydraulic Circuit .................................................... 12
. REMOVAL .......................................................... 24
.
Removal and Installation of Front Brake Tube and INSTALLATION .................................................. 24 .
Brake Hose ........................................................... 13
. Removal and Installation of Brake Caliper Assembly
REMOVAL .......................................................... 13
. ... 25
INSTALLATION .................................................. 13. REMOVAL .......................................................... 25
.
Removal and Installation of Rear Brake Tube and INSTALLATION .................................................. 25 .
Brake Hose ........................................................... 13
. Disassembly and Assembly of Brake Caliper
REMOVAL .......................................................... 13
. Assembly ............................................................... 26
.
INSTALLATION .................................................. 14. DISASSEMBLY .................................................. 26 .
Inspection after Installation ................................... 14. INSPECTION AFTER DISASSEMBLY ............... 26 .
BRAKE MASTER CYLINDER ................................. 15 . ASSEMBLY ........................................................ 27.
On-Board Inspection ............................................. 15. DISC ROTOR INSPECTION .............................. 28 .
LEAK INSPECTION ........................................... 15 . BRAKE BURNISHING PROCEDURE ................ 28 .
Removal and Installation ....................................... 15 . REAR DISC BRAKE ................................................ 29 .

Revision: 2006 January BR-1 2006 M35/M45
On-Board Inspection .............................................. 29
. Assembly ...............................................................32
.
PAD WEAR INSPECTION .................................. 29 . DISASSEMBLY ...................................................32 .
Components .......................................................... 29
. INSPECTION AFTER DISASSEMBLY ...............32 .
Removal and Installation of Brake Pad .................. 30 . ASSEMBLY .........................................................33
.
REMOVAL .......................................................... 30
. DISC ROTOR INSPECTION ..............................34 .
INSTALLATION ................................................... 30
. BRAKE BURNISHING PROCEDURE ................34 .
Removal and Installation of Brake Caliper Assembly SERVICE DATA AND SPECIFICATIONS (SDS) .....35 .
... 31 General Specifications ...........................................35 .
REMOVAL .......................................................... 31
. Brake Pedal ...........................................................35
.
INSTALLATION ................................................... 31
. Brake Booster ........................................................35
.
Disassembly and Assembly of Brake Caliper Check Valve ...........................................................35
.
Front Disc Brake ....................................................35
.
Rear Disc Brake .....................................................36
.

Revision: 2006 January BR-2 2006 M35/M45
PRECAUTIONS

PRECAUTIONS PFP:00001
A
Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER" NFS000ON

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 Procedures without Cowl Top Cover NFS000OO

When performing the procedure after removing cowl top cover, cover
the lower end of windshield with urethane, etc. H

PIIB3706J
K
Precautions for Brake System NFS000OP

q Clean dust on front brake and rear brake with a vacuum dust collector. Do not blow with compressed air.
q Recommended fluid is brake fluid "DOT 3". L
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
M
on painted areas, wash it away with water immediately.
q Use clean brake fluid, to clean or wash all parts of master cylinder and disc brake caliper, etc.
q Never use mineral oils such as gasoline or kerosene. They will ruin rubber parts of the hydraulic system.
q Use flare nut torque wrench when installing brake tube.
q When installing brake tube and hose, be sure to check torque.
q Before working, turn ignition switch OFF and disconnect con-
nectors of ABS actuator and electric unit (control unit) or battery
cable from the negative terminal.
q Burnish the brake contact surfaces after refinishing or replacing
rotors, after replacing pads, or if a soft pedal occurs at very low
mileage. Refer to BR-28, "BRAKE BURNISHING PROCE-
DURE" (front disc brake), BR-34, "BRAKE BURNISHING PRO-
CEDURE" (rear disc brake).
SBR686C
WARNING:
q Clean brake pads and shoes with a waste cloth, then wipe with a dust collector.

Revision: 2006 January BR-3 2006 M35/M45
PREPARATION

PREPARATION PFP:00002

Commercial Service Tools NFS000OQ

Tool name Description

1. Flare nut crowfoot
a:10 mm (0.39 in) / 12 mm (0.47 in) Installing each brake tube and hose
2. Torque wrench

NT360

Removing front and rear caliper
Power tool
assembly, tires

PBIC0190E

Pin punch Removing and installing reservoir
Tip diameter: 4 mm (0.16in) dia. tank pin

ZZA0515D

Revision: 2006 January BR-4 2006 M35/M45
Symptom

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