2011 INFINITI QX56 body int

FRONT DISC BRAKEBR-39
< REMOVAL AND INSTALLATION >
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2. Apply rubber grease to piston seals (1), and install them to cali- per.
CAUTION:
Never reuse piston seals.
3. Apply rubber grease to piston boots (1). Cover the piston (2) end with piston boot, and then install cylinder side lip on piston boots
securely into a groove on cylinder body.
CAUTION:
Never reuse piston boots.
4. Apply new brake fluid to pistons (1). Push piston into cylinder body by hand and push piston boots (2) piston-side lip into the
piston groove.
CAUTION:
Press the pistons evenly and var y the pressing point to pre-
vent cylinder inner wall from being rubbed.
5. Apply rubber grease to sliding pin boots, and install sliding pin boots to torque member.
6. Apply rubber grease to sliding pin, and install the cylinder body.
7. Install sliding pin bolts and tighten it to the specified torque. Refer to BR-34, "
BRAKE PAD : Exploded View".
BRAKE CALIPER ASSEMBLY : InspectionINFOID:0000000006222494
INSPECTION AFTER DISASSEMBLY
Check the following items and replace if necessary.
Cylinder Body
Check the cylinder inner wall for rust, wear, cracks or damage.
CAUTION:
Always clean with new brake fluid. Never clean wit h mineral oil such as gasoline and light oil.
Torque Member
Check the torque member for rust, wear, cracks or damage.
Pistons
Check the surface of the piston for rust, wear, cracks or damage.
CAUTION:
A piston sliding surface is plat ed. Never polish with sandpaper.
Sliding Pin and Sliding Pin Boot
Check the sliding pins and sliding pin boots for rust, wear, cracks or damage.
INSPECTION AFTER INSTALLATION
1. Check a drag of front disc brake. If any dr ag is found, follow the procedure described below.
2. Remove brake pads. Refer to BR-34, "
BRAKE PAD : Removal and Installation".
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Revision: 2010 May2011 QX56

BR-44
< REMOVAL AND INSTALLATION >
REAR DISC BRAKE
CAUTION:
 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 depress the brake pedal. Brake fluid may splash while removing the brake hose.
 If the brake fluid or grease adheres to the brake calip er assembly and disc rotor, quickly wipe it off.
1. Remove tires with power tool.
2. Fix the disc rotor using wheel nuts.
3. Drain brake fluid. Refer to BR-10, "
Draining".
4. Separate brake hose from brake caliper assembly. Refer to BR-26, "
REAR : Removal and Installation".
5. Remove torque member mounting bolts, and remove brake caliper assembly. CAUTION:
Never drop brake pad and caliper assembly.
6. Remove disc rotor. Refer to RAX-7, "
Removal and Installation".
INSTALLATION
WARNING:
Clean any dust from the brake caliper assembly an d brake pads with a vacuum dust collector. Never
blow with compressed air.
CAUTION:
 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 depress the brake pedal. Brake fluid may splash while removing the brake hose.
 If the brake fluid or grease adheres to the brake calip er assembly and disc rotor, quickly wipe it off.
1. Install disc rotor. Refer to RAX-7, "
Removal and Installation".
2. Install the brake caliper assembly to the axle hous ing and tighten the torque member mounting bolts to the
specified torque.
CAUTION:
Never spill or splash any grease and moisture on the brake caliper assembly mounting face,
threads, mounting bolts. Wipe out any grease and moisture.
3. Install brake hose to brake caliper assembly. Refer to BR-26, "
REAR : Removal and Installation".
4. Perform the air bleeding. Refer to BR-11, "
Bleeding Brake System".
5. Check a drag of rear disc brake. If any drag is found, refer to BR-45, "
BRAKE CALIPER ASSEMBLY :
Inspection".
6. Install tires with power tool. Refer to WT-64, "
Exploded View".
BRAKE CALIPER ASSEMBLY : Disassembly and AssemblyINFOID:0000000006222500
DISASSEMBLY
NOTE:
Never remove the torque member, brake pads and pad retainers when disassembling and assembling the cyl-
inder body.
1. Remove the sliding pin bolt, and remove the cylinder body from the torque member.
CAUTION:
Fix the brake pad at suitable tape so that the brake pad will not drop.
2. Remove sliding pin boots from torque member.
3. Remove bushing from sliding pin bolt.
4. Place a wooden block as shown in the figure, and blow air from brake hose mounting hole to remove piston and piston boot.
CAUTION:
Never get fingers caught in the piston.
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Revision: 2010 May2011 QX56

REAR DISC BRAKEBR-45
< REMOVAL AND INSTALLATION >
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5. Remove piston seal from cylinder body using suitable tool. CAUTION:
Be careful not to damage a cylinder inner wall.
6. Remove bleeder valve and cap.
7. Perform inspection after disassembly. Refer to BR-45, "
BRAKE
CALIPER ASSEMBLY : Inspection".
ASSEMBLY
1. Install bleeder valve and cap.
2. Apply rubber grease to piston seal (1), and install them to cylin-
der body.
CAUTION:
Never reuse piston seal.
3. Apply rubber grease to piston boot (1). Cover the piston (2) end with piston boot, and then install cylinder side lip on piston boot
securely into a groove on cylinder body.
CAUTION:
Never reuse piston boot.
4. Apply new brake fluid to piston (1). Push piston into cylinder body by hand and push piston boot (2) piston-side lip into the
piston groove.
CAUTION:
Press the piston evenly and var y the pressing point to pre-
vent cylinder inner wall from being rubbed.
5. Apply rubber grease to bushing, and install bushing to sliding pin bolt.
6. Apply rubber grease to sliding pin boots, and install sliding pin boots to torque member.
7. Apply rubber grease to sliding pin, and install the cylinder body.
8. Install sliding pin bolts and tighten it to the specified torque.Refer to BR-42, "
BRAKE CALIPER ASSEM-
BLY : Exploded View".
BRAKE CALIPER ASSEMBLY : InspectionINFOID:0000000006222501
INSPECTION AFTER DISASSEMBLY
Check the following items and replace if necessary.
Cylinder Body
Check the cylinder inner wall for rust, wear, cracks or damage.
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Revision: 2010 May2011 QX56

COMPONENT PARTSBRC-149
< SYSTEM DESCRIPTION > [INTELLIGENT BRAKE ASSIST]
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SYSTEM DESCRIPTION
COMPONENT PARTS
Component Parts LocationINFOID:0000000006248458
1. ICC steering switch 2. Information display, ICC system warning lamp, IBA OFF indicator
lamp, buzzer
(On the combination meter)3. BCM
Refer to BCS-4, "
BODY CONTROL
SYSTEM : Compon ent Parts Loca-
tion"
4. Transfer control unit
Refer to DLN-10, "
Component Parts
Location"
5. ICC brake hold relay 6. ECM
Refer to EC-16, "
Component Parts
Location"
7. ICC sensor 8. TCM
Refer to TM-10, "
A/T CONTROL
SYSTEM : Compon ent Parts Loca-
tion"
9. ABS actuator and electric unit (con-
trol unit)
Refer to BRC-10, "
Component Parts
Location"
10. Stop lamp switch 11. ICC brake switch 12. IBA OFF switch
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Revision: 2010 May2011 QX56

BRM-1
BODY EXTERIOR, DOORS, ROOF & VEHICLE SECURITY
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CONTENTS
BODY REPAIR
VEHICLE INFORMATION ... ..........................2
BODY EXTERIOR PAINT COLOR ................ .....2
Body Exterior Paint Color ................................. ......2
PRECAUTION ...............................................4
REPAIRING HIGH STRENGTH STEEL ......... .....4
High Strength Steel (HSS) ................................ ......4
Handling of Ultra High Strength Steel Plate Parts ......6
PREPARATION ............................................7
REPAIRING MATERIAL ................................ .....7
Foam Repair ....................................................... ......7
BODY COMPONENT PARTS .............................9
Underbody Component Parts ............................ ......9
Body Component Parts ...........................................11
Frame Component Parts .........................................13
REMOVAL AND INSTALLATION ...............15
CORROSION PROTECTION ......................... ....15
Description .......................................................... ....15
Anti-corrosive Wax ..................................................15
Undercoating ...........................................................16
Stone Guard Coat ...................................................17
Body Sealing ...........................................................18
BODY CONSTRUCTION ....................................22
Body Construction ............................................... ....22
REPLACEMENT OPERATIONS .......................24
Description ...............................................................24
Radiator Core Support .............................................26
Hoodledge ...............................................................26
Hoodledge (Partial Replacement) ...........................27
Front Pillar ...............................................................29
Center Pillar .............................................................32
Outer Sill .................................................................35
Rear Fender ............................................................39
Rear Fender Extension ............................................42
Rear Panel and Rear End Crossmember ................42
Rear Floor Rear .....................................................45
Crush Horn ..............................................................46
SERVICE DATA AND SPECIFICATIONS
(SDS) ............... .............................................
48
BODY ALIGNMENT ..........................................48
Body Center Marks ............................................ ....48
Description ...............................................................48
Engine Compartment ..............................................49
Underbody ...............................................................52
Passenger Compartment .........................................54
Rear Body ...............................................................56
LOCATION OF PLASTIC PARTS ....................58
Precautions for Plastics ...........................................58
Location of Plastic Parts ..........................................59
Revision: 2010 May2011 QX56

BRM-2
< VEHICLE INFORMATION >
BODY EXTERIOR PAINT COLOR
VEHICLE INFORMATION
BODY EXTERIOR PAINT COLOR
Body Exterior Paint ColorINFOID:0000000006248483
NOTE:
•S: Solid
 2S: Solid + Clear
CS: Color clear solid
 M: Metallic
 P: 2-Coat pearl
 3P: 3-Coat pearl
 FPM: Iron oxide pearl Component
Color code BQAA BK23 BKH3 BK51 BL50 BJAE
Description White Silver Black Gray
Brownish
Purple Grayish
Green
Paint type
note3P M 2S M P M
Hard clear
coat ××××××
1 Front grille Chromium
plateCr Cr Cr Cr Cr Cr
2 Front bumper fascia Body color BQAA BK23 BKH3 BK51 BL50 BJAE
3 Over fender Body color B QAA BK23 BKH3 BK51 BL50 BJAE
4 Front fender duct Chromium
plate
Cr Cr Cr Cr Cr Cr
5 Door
outside
mirror
Cover Body color BQAA BK23 BKH3 BK51 BL50 BJAE
6 Front pillar finisher Black G01 G01 G01 G01 G01 G01
7 Back door air spoiler Body color BQAA BK23 BKH3 BK51 BL50 BJAE
8 Door outside handle Chromium
plate
Cr Cr Cr Cr Cr Cr
9 Side step Body color BQAA BK23 BKH3 BK51 BL50 BJAE
10 Rear bumper fascia Body color BQAA BK23 BKH3 BK51 BL50 BJAE
11 Back door finisher Chromium
plateCr Cr Cr Cr Cr Cr
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Revision: 2010 May2011 QX56

BODY EXTERIOR PAINT COLORBRM-3
< VEHICLE INFORMATION >
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 RM, RPM: Multi flex color
 TPM: Titanium pearl metallic
 TM: Micro titanium metallic
 PM: Pearl metallic
Revision: 2010 May2011 QX56

BRM-4
< PRECAUTION >
REPAIRING HIGH STRENGTH STEEL
PRECAUTION
REPAIRING HIGH STRENGTH STEEL
High Strength Steel (HSS)INFOID:0000000006248484
High strength steel is used for body panels in order to reduce vehicle weight.
Accordingly, precautions in repairing automotive bodies made of high strength steel are described below:
Read the following precautions when repairing HSS:
1. Additional points to consider
Tensile strength Major applicable parts 440 - 780 MPa  Rear floor reinforcement
 2nd seat mounting member assembly
 Front seat mounting rear crossmember assembly
 Front floor reinforcement
 2nd crossmember (Lower)
 Side radiator core support
 Radiator core support main assembly
 Front side member assembly
 4th crossmember
 2nd seat mounting crossmember
 Rear side member
 Rear crossmember
 Inner side roof rail
 Upper inner front pillar
 Inner center pillar
 Upper front pillar reinforcement
 Lower center pillar brace
 Front pillar brace
 Outer sill reinforcement
 Front roof rail
 Rear roof rail
 Radiator guard crossmember assembly
 2nd crossmember assembly
 2nd crossmember reinforcement
 Front side member assembly
 Front bound bumper bracket assembly
 Lower front link mounting bracket assembly
 Center side member assembly
 Fuel tank protector assembly
 Rear suspension mounting bracket assembly
 Rear shock absorber bracket assembly
 Rear side member assembly
 Rear end gusset
 Rear end crossmember assembly
980 - 1350 MPa  Lower dash center reinforcement
(Lower dash Component part)
 Inner sill
 Rear seat crossmember
(2nd seat mounting crossmember component part)
 Inner center pillar (Upper)
 Upper outer center pillar reinforcement
(Lower center pillar brace component part)
 Front bumper crossmember assembly
Revision: 2010 May2011 QX56