2011 INFINITI QX56 Factory Service Manual

alternator belt driver seat adjustment alternator pairing phone brake sensor radiator

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INFINITI QX56 2011 Factory Service Manual
BRAKE FLUIDBR-11
< PERIODIC MAINTENANCE >
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NOTE:
Since brake fluid is conveyed by the motor, the brake pedal is not necessarily depressed.
RefillingINFOID:000000000622

BRAKE FLUIDBR-11
< PERIODIC MAINTENANCE >
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NOTE:
Since brake fluid is conveyed by the motor, the brake pedal is not necessarily depressed.
RefillingINFOID:0000000006222465
FRONT BRAKE
CAUTION:
If the brake fluid adheres to the brake caliper assembly and disc rotor, quickly wipe it off.
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.
Never operate the brake pedal with the reservoir cap removed. Failure to do this may cause the scat-
tering of brake fluid.
Never operate the brake pedal excessively during the work procedure.
Monitor the fluid level in the reservoir tank while performing the refilling.
1. Check that there is no foreign material in t he reservoir tank, and refill with new brake fluid.
CAUTION:
Never reuse drained brake fluid.
Never allow oils other than brake fl uid to enter the reservoir tank.
2. Turn the ignition switch ON.
3. Connect a vinyl tube to the bleed valve.
4. Depress the brake pedal and loosen the bleeder valve.
5. Depress the brake pedal several times until the re filled brake fluid is discharged and tighten the air
bleeder to the specified torque with the brake pedal depressed. Refer to BR-36, "
BRAKE CALIPER
ASSEMBLY : Exploded View".
6. Perform the air bleeding. Refer to BR-11, "
Bleeding Brake System".
REAR BRAKE
CAUTION:
If the brake fluid adheres to the brake caliper assembly and disc rotor, quickly wipe it off.
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.
Never operate the brake pedal with the reservoir cap removed. Failure to do this may cause the scat-
tering of brake fluid.
Never operate the brake pedal excessively during the work procedure.
Monitor the fluid level in the reservoir tank while performing the refilling.
1. Check that there is no foreign material in t he reservoir tank, and refill with new brake fluid.
CAUTION:
Never reuse drained brake fluid.
Never allow oils other than brake fl uid to enter the reservoir tank.
2. Turn the ignition switch ON.
3. Connect a vinyl tube to the bleed valve.
4. Depress the brake pedal and loosen the bleeder valve.
5. Depress the brake pedal several times until the re filled brake fluid is discharged and tighten the air
bleeder to the specified torque with the brake pedal depressed. Refer to BR-42, "
BRAKE CALIPER
ASSEMBLY : Exploded View".
NOTE:
Since brake fluid is conveyed by the motor, the brake pedal is not necessarily depressed.
6. Perform the air bleeding. Refer to BR-11, "
Bleeding Brake System".
Bleeding Brake SystemINFOID:0000000006222466
CAUTION:
Bleed air in the following order: motor/accumulator assembly → front right brake → front left brake
→ rear left brake → and rear right brake.
The VDC warning lamp, ABS warning lamp and br ake warning lamp turn ON and DTC “C118E” may
be detected in self-diagnosis result for “ABS” with CONSULT-III when the brake pedal is excessively
operated, such as air bleeding. This is not a system malfunction because this occurs due to the tem-
porary decrease in accumulator fl uid pressure. The system returns to normal condition when the
accumulator fluid pressure reaches the specified pressu re with the ignition switch ON and the VDC
Revision: 2010 May2011 QX56

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INFINITI QX56 2011 Factory Service Manual
BR-12
< PERIODIC MAINTENANCE >
BRAKE FLUID
warning lamp, ABS warning lamp, and brake warning lamp turn OFF. After these steps, erase self-
diagnosis results for “ABS” with CONSULT-III.
- DTC oth

BR-12
< PERIODIC MAINTENANCE >
BRAKE FLUID
warning lamp, ABS warning lamp, and brake warning lamp turn OFF. After these steps, erase self-
diagnosis results for “ABS” with CONSULT-III.
- DTC other than “C118E” is detected: Refer to BRC-51, "
DTC Index".
NOTE:
When the ignition switch is ON, the brake warning la mp may turns ON even when the parking brake pedal is
released with the brake fluid within the specified level. This indicates the decrease in accumulator fluid pres-
sure.
MOTOR/ACCUMULATOR ASSEMBLY
CAUTION:
If the brake fluid adheres to the brake caliper assembly and disc rotor, quickly wipe it off.
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.
Never operate the brake pedal with the reservoir cap removed. Failure to do this may cause the scat-
tering of brake fluid.
Never operate the brake pedal excessively during the work procedure.
Monitor the fluid level in the reservoir tank while performing the air bleeding.
Bleed air in the following order: motor/accumulator assembly → front right brake → front left brake
→ rear left brake → and rear right brake.
1. Turn the ignition switch OFF.
2. Depress the brake pedal 20 times or more.
3. Check that there is no foreign material in the reservoir tank, and refill with new brake fluid. CAUTION:
Never reuse drained brake fluid.
Never allow oils other than brake fluid to enter the reservoir tank.
4. Turn the ignition switch ON. NOTE:
The motor is activated and automatically stops.
5. Turn the ignition switch OFF.
6. Depress the brake pedal 20 times or more. NOTE:
The pressure loss in the accumulator results in a large brake pedal stroke. In addition to this, the brake
pedal depression becomes lighter in initial stage.
7. Repeat steps 4 to 6 for 5 times.
8. Turn the ignition switch ON to check that the time between motor activation and automatic stop is less
than 18 seconds. If the time is 18 seconds or more, repeat from Step 4 to 8.
FRONT BRAKE
CAUTION:
If the brake fluid adheres to the brake caliper assembly and disc rotor, quickly wipe it off.
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.
Never operate the brake pedal with the reservoir cap removed. Failure to do this may cause the scat- tering of brake fluid.
Never operate the brake pedal excessively during the work procedure.
Monitor the fluid level in the reservoir tank while performing the air bleeding.
Bleed air in the following order: motor/accumulator assembly → front right brake → front left brake
→ rear left brake → and rear right brake.
1. Turn the ignition switch OFF.
2. Depress the brake pedal 20 times or more. NOTE:
The pressure loss in the accumulator results in a large brake pedal stroke. In addition to this, the brake
pedal depression becomes lighter in initial stage.
3. Check that there is no foreign material in the reservoir tank, and refill with new brake fluid. CAUTION:
Never reuse drained brake fluid.
Never allow oils other than brake fluid to enter the reservoir tank.
4. Turn the ignition switch ON.
Revision: 2010 May2011 QX56

Page 483 of 5598

INFINITI QX56 2011 Factory Service Manual
BRAKE FLUIDBR-13
< PERIODIC MAINTENANCE >
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5. Connect a vinyl tube to the bleed valve.
6. Depress the brake pedal and loosen the bleeder valve.
7. Repeat steps 1 to 6 u

BRAKE FLUIDBR-13
< PERIODIC MAINTENANCE >
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5. Connect a vinyl tube to the bleed valve.
6. Depress the brake pedal and loosen the bleeder valve.
7. Repeat steps 1 to 6 until all of the air is out of the brake line and tighten the air bleeder to the specified
torque with the brake pedal depressed. Refer to BR-36, "
BRAKE CALIPER ASSEMBLY : Exploded View".
8. Check that no drag feel is present for the front disc brake. Refer to BR-39, "
BRAKE CALIPER ASSEMBLY
: Inspection".
9. Check each item of brake pedal. Adjust it if t he measurement value is not the standard. Refer to BR-7,
"Inspection and Adjustment".
REAR BRAKE
CAUTION:
If the brake fluid adheres to the brake caliper assembly and disc rotor, quickly wipe it off.
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.
Never operate the brake pedal with the reservoir cap removed. Failure to do this may cause the scat-
tering of brake fluid.
Never operate the brake pedal excessively during the work procedure.
Monitor the fluid level in the reservoir tank while performing the air bleeding.
Bleed air in the following order: motor/accumulator assembly → front right brake → front left brake
→ rear left brake → and rear right brake.
1. Turn the ignition switch OFF.
2. Depress the brake pedal 20 times or more. NOTE:
The pressure loss in the accumulator results in a large brake pedal stroke. In addition to this, the brake
pedal depression becomes lighter in initial stage.
3. Check that there is no foreign material in t he reservoir tank, and refill with new brake fluid.
CAUTION:
Never reuse drained brake fluid.
Never allow oils other than brake fl uid to enter the reservoir tank.
4. Turn the ignition switch ON.
5. Connect a vinyl tube to the bleed valve.
6. Depress the brake pedal and loosen the bleeder valve.
7. Depress and hold the brake pedal depression to disc harge 100 cc of brake fluid before tightening the air
bleeder to the specified torque. Refer to BR-42, "
BRAKE CALIPER ASSEMBLY : Exploded View".
NOTE:
Since brake fluid is conveyed by the motor, the brake pedal is not necessarily depressed.
8. Release the brake pedal.
9. Repeat steps 1 to 8 until all of the air is out of the brake line and tighten the air bleeder to the specified
torque with the brake pedal depressed. Refer to BR-42, "
BRAKE CALIPER ASSEMBLY : Exploded View".
10. Check that no drag feel is present for the rear disc brake. Refer to BR-45, "
BRAKE CALIPER ASSEMBLY
: Inspection".
11. Check each item of brake pedal. Adjust it if t he measurement value is not the standard. Refer to BR-7,
"Inspection and Adjustment".
BRAKE FLUID LEVEL ADJUSTMENT AFTER AIR BLEEDING
1. Turn the ignition switch OFF.
2. Depress the brake pedal 20 times or more.
NOTE:
The pressure loss in the accumulator results in a large brake pedal stroke. In addition to this, the brake
pedal depression becomes lighter in initial stage.
Revision: 2010 May2011 QX56

Page 484 of 5598

INFINITI QX56 2011 Factory Service Manual
BR-14
< PERIODIC MAINTENANCE >
BRAKE FLUID
3. Adjust brake fluid level to the reservoir tank MAX line.CAUTION:
Never adjust with the ignition switch ON.
4. Turn the ignition switch ON.
5. Check that

Page 485 of 5598

INFINITI QX56 2011 Factory Service Manual
HYDRAULIC BOOSTER ASSEMBLYBR-15
< PERIODIC MAINTENANCE >
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HYDRAULIC BOOSTER ASSEMBLY
InspectionINFOID:0000000006222467
OPERATION CHECK
1. Turn the ignition switch OFF.

Page 486 of 5598

INFINITI QX56 2011 Factory Service Manual
BR-16
< PERIODIC MAINTENANCE >
FRONT DISC BRAKE
FRONT DISC BRAKE
BRAKE PAD
BRAKE PAD : Inspection and AdjustmentINFOID:0000000006222468
INSPECTION
Check the thickness of brake pad from the inspection

BR-16
< PERIODIC MAINTENANCE >
FRONT DISC BRAKE
FRONT DISC BRAKE
BRAKE PAD
BRAKE PAD : Inspection and AdjustmentINFOID:0000000006222468
INSPECTION
Check the thickness of brake pad from the inspection hole (A) on
brake caliper assembly. Check use a scale if necessary.
ADJUSTMENT
CAUTION:
Burnish contact surfaces between pads according to the following procedure after refinishing or
replacing brake pads, or if a soft pedal occurs at very low mileage.
Be careful of vehicle speed because the brake does not operate firmly/securely until pads and disc
rotor are securely fitted.
Only perform this procedure under safe road and traffic conditions. Use extreme caution.
1. Drive vehicle on straight, flat road.
2. Depress brake pedal with the power to stop vehicl e within 3 to 5 seconds until the vehicle stops.
3. Drive without depressing brake for a few minutes to cool the brake.
4. Repeat steps 1 to 3 until pad and disc rotor are securely fitted.
DISC ROTOR
DISC ROTOR : Inspec tion and AdjustmentINFOID:0000000006222469
INSPECTION
Appearance
Check surface of disc rotor for uneven wear, cracks, and serious damage. Replace it if necessary. Refer to
FA X - 8 , "
Removal and Installation" (2WD), FAX-18, "Removal and Installation" (AWD).
Runout
1. Fix the disc rotor to the wheel hub and bearing assembly with wheel nuts (2 points at least).
2. Check the wheel bearing axial end play before the inspection. Refer to FA X - 7 , "
Inspection" (2WD), FAX-
16, "Inspection" (AWD).
3. Inspect the runout with a dial indicator to measure at 10 mm (0.39 in) inside the disc edge.
4. Find the installation position that has a minimum runout by shift-
ing the disc rotor-to-wheel hub and bearing assembly installation
position by one hole at a time if the runout exceeds the limit
value.
5. Refinish the disc rotor if the runout is outside the limit even after performing the above operation. [When refinishing, use the Pro-
Cut PEM On-Car brake Lathe (Tool No. 38-PFM90.5) or equiva-
lent.]
CAUTION:Wear thickness : Refer to
BR-47, "
Front Disc Brake".
JPFIA0793ZZ
Runout : Refer to BR-47, "Front Disc Brake".
JPFIA0718ZZ
Revision: 2010 May2011 QX56

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INFINITI QX56 2011 Factory Service Manual
FRONT DISC BRAKEBR-17
< PERIODIC MAINTENANCE >
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Check in advance that the thickness of the disc rotor is wear thickness + 0.3 mm (0.012 in) or
more.
If the thickne

Page 488 of 5598

INFINITI QX56 2011 Factory Service Manual
BR-18
< PERIODIC MAINTENANCE >
REAR DISC BRAKE
REAR DISC BRAKE
BRAKE PAD
BRAKE PAD : Inspection and AdjustmentINFOID:0000000006222470
INSPECTION
Check the thickness of brake pad from the inspection h

BR-18
< PERIODIC MAINTENANCE >
REAR DISC BRAKE
REAR DISC BRAKE
BRAKE PAD
BRAKE PAD : Inspection and AdjustmentINFOID:0000000006222470
INSPECTION
Check the thickness of brake pad from the inspection hole (A) on
brake caliper assembly. Check use a scale if necessary.
ADJUSTMENT
CAUTION:
Burnish contact surfaces between pads according to the following procedure after refinishing or
replacing brake pads, or if a soft pedal occurs at very low mileage.
Be careful of vehicle speed because the brake does not operate firmly/securely until pads and disc
rotor are securely fitted.
Only perform this procedure under safe road and traffic conditions. Use extreme caution.
1. Drive vehicle on straight, flat road.
2. Depress brake pedal with the power to stop vehicl e within 3 to 5 seconds until the vehicle stops.
3. Drive without depressing brake for a few minutes to cool the brake.
4. Repeat steps 1 to 3 until pad and disc rotor are securely fitted.
DISC ROTOR
DISC ROTOR : Inspec tion and AdjustmentINFOID:0000000006222471
INSPECTION
Appearance
Check surface of disc rotor for uneven wear, cracks, and serious damage. Replace it if necessary. Refer to
RAX-7, "
Removal and Installation".
Runout
1. Fix the disc rotor to the wheel hub and bearing assembly with wheel nuts (2 points at least).
2. Check the wheel bearing axial end play before the inspection. Refer to RAX-5, "
Inspection".
3. Inspect the runout with a dial indicator to measure at 10 mm (0.39 in) inside the disc edge.
4. Find the installation position that has a minimum runout by shift-
ing the disc rotor-to-wheel hub and bearing assembly installation
position by one hole at a time if the runout exceeds the limit
value.
5. Refinish the disc rotor if the runout is outside the limit even after performing the above operation. [When refinishing, use the Pro-
Cut PEM On-Car brake Lathe (Tool No. 38-PFM90.5) or equiva-
lent.]
CAUTION:
Check in advance that the thickn ess of the disc rotor is wear thickness + 0.3 mm (0.012 in) or
more. Wear thickness : Refer to
BR-47, "
Rear Disc Brake".
JPFIA0720ZZ
Runout : Refer to BR-47, "Rear Disc Brake".
JPFIA0721ZZ
Revision: 2010 May2011 QX56

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