Index Infiniti Infiniti Q45 - service repair manual 2006 year
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Infiniti Q45. Manual - part 250
BR-1
BRAKE SYSTEM
F BRAKES
CONTENTS
C
D
E
G
H
I
J
K
L
M
SECTION
BR
A
B
PRECAUTIONS .......................................................... 3
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT BELT PRE-TEN-SIONER” .................................................................. 3Precautions 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 BRAKE PEDAL AND FLOOR PANEL WITH PEDAL DEPRESSED ........................................................ 6ADJUSTMENT ...................................................... 7
Components ............................................................. 7Removal and Installation .......................................... 8
REMOVAL ............................................................. 8INSPECTION AFTER REMOVAL ......................... 8INSTALLATION ..................................................... 8
BRAKE FLUID ............................................................ 9
Checking Brake Fluid Level ..................................... 9Drain and Refill ......................................................... 9Bleeding Brake System ............................................ 9
BRAKE TUBE AND HOSE ....................................... 10
Hydraulic Circuit ..................................................... 10Removal and Installation of Front Brake Tube and Hose ........................................................................11
REMOVAL ............................................................11INSTALLATION ....................................................11
Removal and Installation of Rear Brake Tube and Hose ........................................................................11
REMOVAL ............................................................11INSTALLATION ................................................... 12
Inspection after Installation .................................... 12
BRAKE MASTER CYLINDER .................................. 13
On-Vehicle Inspection ............................................ 13
LEAK INSPECTION ............................................ 13
Removal and Installation ........................................ 13
REMOVAL ........................................................... 13INSTALLATION ................................................... 13
Components ........................................................... 14Disassembly and Assembly .................................... 14
DISASSEMBLY ................................................... 14INSPECTION AFTER DISASSEMBLY ................ 16ASSEMBLY ......................................................... 16
BRAKE BOOSTER ................................................... 20
On-Vehicle Inspection ............................................. 20
OPERATING CHECK .......................................... 20AIRTIGHT CHECK .............................................. 20
Components ........................................................... 20Removal and Installation ........................................ 21
REMOVAL ........................................................... 21INSPECTION AFTER REMOVAL ....................... 21INSTALLATION ................................................... 21
VACUUM LINES ....................................................... 22
Components ........................................................... 22Removal and Installation ........................................ 22Inspection ............................................................... 22
VISUAL INSPECTION ......................................... 22CHECK VALVE INSPECTION ............................. 22
FRONT DISC BRAKE ............................................... 23
On-Vehicle Inspection ............................................. 23
PAD WEAR INSPECTION ................................... 23
Components ........................................................... 23Removal and Installation of Brake Pad .................. 24
REMOVAL ........................................................... 24INSTALLATION ................................................... 25
Removal and Installation of Brake Caliper Assembly
... 25
REMOVAL ........................................................... 25INSTALLATION ................................................... 25
Disassembly and Assembly of Brake Caliper Assembly ................................................................ 26
DISASSEMBLY ................................................... 26INSPECTION AFTER DISASSEMBLY ................ 26ASSEMBLY ......................................................... 27DISC ROTOR INSPECTION ............................... 28
Brake Burnishing Procedure ................................... 28