INFINITI QX56 2011 Factory Service Manual

HOOD
DLK-215
< REMOVAL AND INSTALLATION >
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REMOVAL AND INSTALLATION
HOOD
Exploded ViewINFOID:0000000006226062
HOOD ASSEMBLY
HOOD ASSEMBLY : Removal and InstallationINFOID:0000000006226063
CAUTION:
 Operate with two workers, because of its heavy weight.
 Use protective tape or shop cloth to protect from damage during removal and installation.
REMOVAL
1. Support hood assembly with the proper material to prevent it from falling.
WARNING:
Bodily injury may occur if no proper material is holding hood open when removing hood stay.
1. Hood assembly 2. Hood front seal 3. Radiator core seal
4. Hood insulator 5. Hood side bumper 6. Clip
7. Hood stay 8. Stud ball 9. Hood bumper rubber
10. Hood hinge
: Clip
Refer to GI-4, "
Components" for symbols in the figure.
JMKIA5477GB
Revision: 2010 May2011 QX56

DLK-216
< REMOVAL AND INSTALLATION >
HOOD
2. Remove the metal clip (3) located on the connection betweenthe hood stay (1) and the stud ball (2) (hood side), by using a
flatted-blade screwdriver (A).
3. Disengage the stud ball from the hood stay (hood side).
4. Remove hood hinge mounting nuts on the hood to remove the hood assembly.
INSTALLATION
Note the following items, and then install in the reverse order of removal.
CAUTION:
 Before installing the hood hing e, apply anticorrosive agent onto the mounting surface of the vehicle
body.
 After installing, perform hood fitting adjustment. Refer to DLK-216, "
HOOD ASSEMBLY : Adjust-
ment".
HOOD ASSEMBLY : AdjustmentINFOID:0000000006226064
JMKIA2255ZZ
JMKIA5818GB
Revision: 2010 May2011 QX56

HOOD
DLK-217
< REMOVAL AND INSTALLATION >
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Check the clearance and the surface height betw een hood and each part by visually and touching.
If the clearance and the surface height are out of spec ification, adjust them according to the procedures
shown below.
Unit: mm (in)
1. Remove hood lock and adjust the surface height of hood, bumper molding and front fender according to
the fitting standard dimension, by rotating hood bumper rubber.
2. Loosen hood hinge mounting nuts on the hood.
3. Adjust the clearance of hood, bumper molding and fr ont fender according to the fitting standard dimen-
sion, for the hood.
4. Temporarily tighten hood lock.
5. Adjust A and B shown in the figure to the following value with hood's own weight by dropping it from approximately 200 mm (7.874 in) height or by pressi ng hood lightly [approximately 29 N (3.0 kg, 6.5lb)].
6. Install as static closing force of hood is 680N (69.0 kg, 502lb) or less.
7. After adjustment, tighten hood hinge mounting nuts to the specified torque. CAUTION:
 Before installing hood hinge, apply anticorrosive agent onto th e mounting surface of the vehicle
body.
 Check hood hinge rotating pa rt for poor lubrication. If necessary, apply body grease.
1. Hood assembly 2. Hood bumper rubber 3. Hood hinge
4. Hood lock assembly 5. Front grille 6. Bumper molding
7. Front fender
Refer to GI-4, "
Components" for symbols in the figure.
Portion Standard Difference
(RH/LH, MAX)
Hood – Front grille A – A D Clearance 3.7 – 8.3 (0.146 – 0.327) —
E Surface height (-0.9) – (+3.9) [(-0.035) –
(+0.154)] —
Hood – Bumper molding B – B F Clearance 1.2 – 5.8 (0.047 – 0.228) 2.2 (0.087)
G Surface height (-2.4) –– (+0.094)] 2.2 (0.087)
Hood – Front fender C – C H Clearance 2.5 – 4.5 (0.098 – 0.177) 1.0 (0.039)
I Surface height (-1.0) – (+1.0) [(-0.039 –
(+0.039)] —
1. Hood striker 2. Primary latch 3. Secondary striker
4. Secondary latch
A : 20.0 mm (0.787 in)
B : 6.8 mm (0.268 in)
PIIB5794E
Revision: 2010 May2011 QX56

DLK-218
< REMOVAL AND INSTALLATION >
HOOD
 After installation, apply touch-up paint (the body color) onto the head of hood hinge mountingbolts and nuts.
HOOD HINGE
HOOD HINGE : Removal and InstallationINFOID:0000000006226065
REMOVAL
1. Remove hood assembly. Refer to DLK-215, "HOOD ASSEMBLY : Removal and Installation".
2. Remove front fender cover. Refer to EXT-21, "
Exploded View".
3. Remove front fender mounting bolt. DLK-222, "
Exploded View".
4. Remove hood hinge mounting bolts, and then remove hood hinge.
INSTALLATION
Note the following items, and install in the reverse order of removal.
CAUTION:
 Before installation of hood hing e, apply anticorrosive agent onto the mounting surface of the vehicle
body.
 After installation, apply touch-up paint (the body color) onto the head of the hinge mounting bolts
and nuts.
 After installation, perform hood fitting adjustment. Refer to DLK-216, "
HOOD ASSEMBLY : Adjust-
ment".
HOOD STAY
HOOD STAY : Removal and InstallationINFOID:0000000006226066
REMOVAL
1. Support hood assembly with a proper material to prevent it from falling.
WARNING:
Bodily injury may occur if no proper material is holding the hood open when removing the hood
stay.
2. Remove the metal clip (3) located on the connection between the hood stay (1) and the stud ball (2) (hood side), by using a
flat-bladed screwdriver (A).
3. Disengage the stud ball from the hood stay (hood side).
4. Repeat the same operation to disengage the stud ball from the hood stay (body side), then remove the hood stay.
INSTALLATION
Install in the reverse order of removal.
HOOD STAY : Disposal INFOID:0000000006226067
1. Fix hood stay (1) using a vise (C).
2. Using hacksaw (A) slowly make 2 holes in the hood stay, innumerical order as shown in the figure.
CAUTION:
 When cutting a hole on hood stay, always cover a hack-saw using a shop cloth (B) to avoid scattering metal frag-
ments or oil.
 Wear eye protection (safety glasses).
 Wear gloves.
JMKIA2255ZZ
JMKIA3336ZZ
Revision: 2010 May2011 QX56

HOOD
DLK-219
< REMOVAL AND INSTALLATION >
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A: 20 mm (0.787 in)
B: Cut at the groove.
JMKIA3609ZZ
Revision: 2010 May2011 QX56

DLK-220
< REMOVAL AND INSTALLATION >
RADIATOR CORE SUPPORT
RADIATOR CORE SUPPORT
Exploded ViewINFOID:0000000006226068
Removal and InstallationINFOID:0000000006226069
RADIATOR CORE SUPPORT UPPER
Removal
CAUTION:
When removing radiator core support upper, be careful not to damage the painted surface.
1. Remove bumper molding, bumper molding stay LH and RH. Refer to EXT-13, "
Removal and Installation".
2. Remove fixing clips, and then radiator upper seal.
3. Remove horn (LOW and HIGH). Refer to HRN-6, "
Removal and Installation".
4. Remove exhaust gas / outside oder sensor. Refer to HAC-151, "
Removal and Installation".
5. Disconnect refrigerant pressu re sensor harness connector.
1. Radiator upper seal 2. Radiator core support upper 3. Air guide seal LH
4. Air guide seal RH 5. Radiator side seal RH 6. Radiator lower seal RH
7. Radiator lower seal LH 8. Radiator side seal LH 9. Radiator core support main
Refer to for symbols in the figure.GI-4, "
Components"
JMKIA5479GB
Revision: 2010 May2011 QX56

RADIATOR CORE SUPPORTDLK-221
< REMOVAL AND INSTALLATION >
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6. Disconnect all harness clips.
7. Remove hood lock assembly. Refer to DLK-238, "
Removal and Installation".
8. Remove fixing clips of air guide seal.
9. Remove mounting bolts, and then remove power steering oil cooler. Refer to ST-54, "
Exploded View".
CAUTION:
Put a wooden block (A) under the oil cooler (1) to prevent
the oil cooler from falling.
10. Remove radiator mounting bolts. Refer to CO-13, "
Removal and Installation".
11. Remove mounting bolts, and then radiator core support upper.
Installation
Note the following items, and then install in the reverse order of removal.
CAUTION:
 If aluminum plate remains to the body side when removing radiator core support upper, be sure to
pinch aluminum plate between radiator core support upper and hoodledge upper when installing
radiator core support upper, for preventing electric corrosion.
 When installing radiator core support upper, be careful not to damage the painted surface.
RADIATOR CORE SUPPORT LOWER
Removal
1. Remove front bumper fascia, bumper retainer and Bumper retainer bracket CTR. Refer to EXT-13,
"Removal and Installation".
2. Remove fixing clips, and then air guide seal and radiator side seal.
3. Remove ambient sensor. Refer to HAC-147, "
Removal and Installation".
4. Remove crash zone sensor. Refer to SR-22, "
Removal and Installation".
5. Remove all harness clips.
6. Remove mounting bolts, and then remove radiator core support main.
Installation
Install in the reverse order of removal.
JMKIA5480ZZ
Revision: 2010 May2011 QX56

DLK-222
< REMOVAL AND INSTALLATION >
FRONT FENDER
FRONT FENDER
Exploded ViewINFOID:0000000006226070
FRONT FENDER
FRONT FENDER : Removal and InstallationINFOID:0000000006226071
CAUTION:
Use a shop cloth to protect the body from being damaged during removal and installation.
REMOVAL
1. Remove side step. Refer to EXT-45, "Removal and Installation".
2. Remove front over fender. Refer to EXT-26, "
Removal and Installation".
1. Cowl top seal 2. Front fender drip cover 3. Hood side bumper
4. Front fender stay 5. Front fender assembly 6. Front fender duct
7. Double-sided tape
[t: 0.8 mm (0.031 in)] 8. Double-sided tape
[t: 1.2 mm (0.047 in)]
: Clip
: Pawl
Refer to for symbols in the figure. GI-4, "
Components"
JMKIA5481ZZ
Revision: 2010 May2011 QX56

FRONT FENDERDLK-223
< REMOVAL AND INSTALLATION >
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3. Remove front combination lamp. Refer to EXL-125, "Removal and Installation".
4. Remove front fender drip cover. Refer to DLK-223, "
FRONT FENDER DRIP COVER : Removal and
Installation"
5. Remove front fender cover. Refer to EXT-21, "Exploded View".
6. Remove front fender protector. Refer to EXT-23, "
FENDER PROTECTOR : Removal and Installation".
7. Remove mounting bolts and remove front fender. CAUTION:
An viscous urethane foam is installed on the back surface of front fender. When removing the
front fender, be careful to not deform the front fender while performing the procedure and remov-
ing the viscous urethane foam a little at a time.
INSTALLATION
Note the following items, and then install in the reverse order of removal.
CAUTION:
 After installation, apply the touc h-up paint (the body color) onto the head of front fender mounting
bolts.
 After installation, adju st the following part.
- Hood assembly: Refer to DLK-216, "
HOOD ASSEMBLY : Adjustment".
- Front door: Refer to DLK-225, "
DOOR ASSEMBLY : Adjustment".
FRONT FENDER DRIP COVER
FRONT FENDER DRIP COVER : Removal and InstallationINFOID:0000000006226072
REMOVAL
1. Remove fixing clips, and then front fender drip cover.
2. Remove cowl top seal from front fender drip cover.
INSTALLATION
Install in the reverse order of removal.
FRONT FENDER DUCT
FRONT FENDER DUCT : Removal and InstallationINFOID:0000000006226073
REMOVAL
1. Remove front fender protector. Refer to EXT-23, "FENDER PROTECTOR : Removal and Installation".
2. Remove washer tank. Refer to WW-58, "
Removal and Installation".
3. Disengage pawls of front fender duct, from front fender to remove. CAUTION:
 When removing front fender duct, peel off the double-sided tape at a time, and carefully to
remove it.
 Use protective tape or cloth to protect from damage during remove and installation.
INSTALLATION
Install in the reverse order of removal.
Revision: 2010 May2011 QX56

DLK-224
< REMOVAL AND INSTALLATION >
FRONT DOOR
FRONT DOOR
Exploded ViewINFOID:0000000006226074
DOOR ASSEMBLY
DOOR ASSEMBLY : Removal and InstallationINFOID:0000000006226075
CAUTION:
 Perform work with 2 workers, because of its heavy weight.
 When removing and installing front door assembly, support door with a jack and shop cloth to pro-
tect door and body.
REMOVAL
1. Remove mounting bolt of door check link on the vehicle.
2. Disconnect front door harness connector.
3. Remove door hinge mounting nuts (door side), and then remove door assembly.
INSTALLATION
Note the following items, and then install in the reverse order of removal.
CAUTION:
 Apply anticorrosive agent onto the mounting surface.
 Check front door open/close, lock/un lock operation after installation.
 Check door hinge rotating pa rt for poor lubrication. If necessary, apply body grease.
 After installation, perform th e fitting adjustment. Refer to DLK-225, "
DOOR ASSEMBLY : Adjust-
ment".
 After installation, apply touch-up paint (the body color) onto the head of door hinge mounting nuts.
1. TORX bolt 2. Door striker 3. Bumper rubber
4. Door check link 5. Door hinge (lower) 6. Door hinge (upper)
7. Front door panel 8. Grommet 9. Front door sash inner cover
Refer to GI-4, "
Components" for symbols in the figure.
JMKIA5363GB
Revision: 2010 May2011 QX56