Infiniti M45 (Y34). Manual — part 255

BODY REPAIR

BL-245

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D

E

F

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BL

2004 M45

REAR SIDE MEMBER EXTENSION

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Work after rear panel has been removed.

Change parts

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Rear floor rear

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Spare tire clamp bracket

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Muffler mounting bracket

BL-246

BODY REPAIR

2004 M45

Change parts

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Rear side member extension (LH)

SIIA2068E

BR-1

BRAKE SYSTEM

F BRAKES

CONTENTS

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SECTION

BR

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BR

BRAKE SYSTEM

PRECAUTIONS . . . . . . . . . . . . . . .. 3

Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” . . . . . . . . . . . . . . . . .. 3
Precautions for Brake System . . . . . . . . .. 3

PREPARATION . . . . . . . . . . . . . . ... 4

Commercial Service Tools . . . . . . . . . . 4

NOISE, VIBRATION AND HARSHNESS (NVH)
TROUBLESHOOTING . . . . . . . . . . . . 5

NVH Troubleshooting Chart . . . . . . . . . . 5

BRAKE PEDAL . . . . . . . . . . . . . . .. 6

Inspection and Adjustment . . . . . . . . . ... 6

PLAY AND CLEARANCE BETWEEN THE
BRAKE PEDAL AND FLOOR PANEL WITH
PEDAL DEPRESSED . . . . . . . . . . ... 6
ADJUSTMENT . . . . . . . . . . . . . .. 7

Removal and Installation . . . . . . . . . . .. 7

COMPONENT PARTS DRAWING . . . . . . 7
REMOVAL . . . . . . . . . . . . . . . . 8
INSPECTION AFTER REMOVAL . . . . . . . 8
INSTALLATION . . . . . . . . . . . . . . 8

BRAKE FLUID . . . . . . . . . . . . . . . 9

Checking Brake Fluid Level . . . . . . . . . . 9
Drain and Refill . . . . . . . . . . . . . . . 9
Bleeding Brake System . . . . . . . . . . . 9

BRAKE PIPING AND HOSE . . . . . . . . . .11

Hydraulic Circuit . . . . . . . . . . . . . ..11
Front Brake Piping and Hose . . . . . . . . ..11

REMOVAL . . . . . . . . . . . . . . . 11
INSTALLATION . . . . . . . . . . . . . 11

Rear Brake Piping and Hose . . . . . . . . .. 12

REMOVAL . . . . . . . . . . . . . . ... 12
INSTALLATION . . . . . . . . . . . . ... 12

Inspection . . . . . . . . . . . . . . . ... 12

BRAKE MASTER CYLINDER . . . . . . . . .. 13

Components . . . . . . . . . . . . . . ... 13
Removal and Installation . . . . . . . . . . 13

REMOVAL . . . . . . . . . . . . . . ... 13

INSTALLATION . . . . . . . . . . . . ... 13

Disassembly and Assembly . . . . . . . . . 14

DISASSEMBLY . . . . . . . . . . . . ... 14
INSPECTION AFTER DISASSEMBLY . . . . 16
ASSEMBLY . . . . . . . . . . . . . . . 17

BRAKE BOOSTER . . . . . . . . . . . . ... 20

On-Vehicle Service . . . . . . . . . . . . . 20

OPERATING CHECK . . . . . . . . . . .. 20
AIRTIGHT CHECK . . . . . . . . . . . .. 20

Removal and Installation . . . . . . . . . . 20

REMOVAL . . . . . . . . . . . . . . ... 20
INSPECTION AFTER REMOVAL . . . . . ... 21
INSTALLATION . . . . . . . . . . . . ... 21

VACUUM LINES . . . . . . . . . . . . . ... 22

Removal and Installation . . . . . . . . . . 22
Inspection . . . . . . . . . . . . . . . ... 22

VISUAL INSPECTION . . . . . . . . . . . 22
CHECK VALVE INSPECTION . . . . . . . . 22

FRONT DISC BRAKE . . . . . . . . . . . ... 23

On-Board Inspection . . . . . . . . . . . ... 23

PAD WEAR INSPECTION . . . . . . . . ... 23

Components (CLZ31VA Type) . . . . . . . . 23
Pad Replacement . . . . . . . . . . . . ... 24

REMOVAL . . . . . . . . . . . . . . ... 24
INSTALLATION . . . . . . . . . . . . ... 25

Removal and Installation of Caliper Assembly . ... 25

REMOVAL . . . . . . . . . . . . . . ... 25
INSTALLATION . . . . . . . . . . . . ... 26

Disassembly and Assembly of Caliper Assembly ... 26

DISASSEMBLY . . . . . . . . . . . . ... 26
CALIPER INSPECTION . . . . . . . . . .. 26
ASSEMBLY . . . . . . . . . . . . . . . 27
DISC ROTOR INSPECTION . . . . . . . ... 28

Brake Burnishing Procedure . . . . . . . . ... 28

REAR DISC BRAKE . . . . . . . . . . . . . 29

On-Board Inspection . . . . . . . . . . . ... 29

PAD WEAR INSPECTION . . . . . . . . ... 29

Component (AD14VD Type) . . . . . . . . ... 29
Pad Replacement . . . . . . . . . . . . ... 30

REMOVAL . . . . . . . . . . . . . . ... 30

BR-2

INSTALLATION . . . . . . . . . . . . . 30

Removal and Installation of Caliper Assembly . ... 31

REMOVAL . . . . . . . . . . . . . . ... 31
INSTALLATION . . . . . . . . . . . . . 31

Disassembly and Assembly of Caliper Assembly ... 31

DISASSEMBLY . . . . . . . . . . . . ... 31
INSPECTION AFTER DISASSEMBLY . . . . 33
ASSEMBLY . . . . . . . . . . . . . . . 33

DISC ROTOR INSPECTION . . . . . . . ...34

Brake Burnishing Procedure . . . . . . . . ...34

SERVICE DATA AND SPECIFICATIONS (SDS) . ..35

General Specifications . . . . . . . . . . . 35
Brake Pedal . . . . . . . . . . . . . . . 35
Check Valve . . . . . . . . . . . . . . . 35
Brake Booster . . . . . . . . . . . . . . .35
Front Disc Brake . . . . . . . . . . . . . .35
Rear Disc Brake . . . . . . . . . . . . . ..36