Back up INFINITI QX56 2004 Factory Service Manual

EI-24
LICENSE LAMP FINISHER
Revision: August 20072004 QX56
LICENSE LAMP FINISHERPFP:84810
Removal and InstallationEIS00300
1. Remove back door trim. Refer to EI-41, "BACK DOOR TRIM" .
2. Disconnect electrical harnesses from connectors.
3. Remove harnesses with bulbs from license lamps.
4. Remove nuts and screws from license lamp finisher.
5. Release clips and remove license lamp finisher.
Installation is in the reverse order of removal.
1. Rubber seal 2. Plastic clip 3. Nut
4. License lamp finisher 5. License plate fastener 6. Screw
7. Fastener 8. Rubber seal
WIIA0270E

EI-26
REAR SPOILER
Revision: August 20072004 QX56
REAR SPOILERPFP:96030
Removal and InstallationEIS002XE
1. Remove back door trim. Refer to EI-41, "BACK DOOR TRIM" .
2. Disconnect harness to high-mount stop lamp.
3. Disconnect washer tube.
4. Remove nuts, release clips and remove rear air spoiler.
5. Remove nuts and remove high-mount stop lamp.
Installation is in the reverse order of removal.
1. Grommet 2. Plastic clip 3. Nut
4. Rear air spoiler 5. High-mount stop lamp
LIIA1328E

EI-30
SIDE GUARD MOLDING
Revision: August 20072004 QX56
2. Heat the panel and double-faced adhesive tape surface to 30° to 40°C (86° to 104°F).
3. Remove the backing sheet from the double-faced adhesive tape surface.

Align the plastic clips into the holes in the outer door.

Continue aligning the plastic clips into their corresponding holes in the outer door during installation.
4. Press ends by hand and use a roller to apply 5 kg-f (11 lbs-f) to press double-faced adhesive tape surface
on side guard molding to door surface.

Apply even pressure along double-faced adhesive tape surface on side guard molding to insure proper
wet out.
CAUTION:
To secure contact of double-faced adhesive tape, do not wash vehicle for 24 hours after installation.

EI-40
LUGGAGE FLOOR TRIM
Revision: August 20072004 QX56
REMOVAL
1. Remove 2nd and 3rd row seat belts. Refer to SB-3, "SEAT BELTS" .
2. Remove third row seat belt buckles.
3. Remove third row seat assembly. Refer to SE-103, "
Third Row" .
4. Remove back door weatherstrip. Refer to EI-41, "
BACK DOOR TRIM" .
5. Remove rear luggage room lamp. Refer to EI-37, "
HEADLINING" .

Disconnect harness from lamp.
6. Remove rear upper finisher. Refer to EI-37, "
HEADLINING" .
7. Remove rear door kicking plates. Refer to EI-34, "
BODY SIDE TRIM" .
8. Remove rear lower finisher.
9. Disconnect door open/close link. Refer to BL-136, "
BACK DOOR LOCK" .
10. Remove cargo net hooks.
11. Remove luggage side lower finishers LH/RH.

Disconnect power point, RH side.
12. Remove coat hooks.
13. Remove luggage side upper finishers LH/RH.

Disconnect harness to door open/close switch, LH side.
14. Remove tie down hooks LH/RH.
15. Remove floor side finishers LH/RH.
16. Remove luggage floor board.
17. Remove storage box.
18. Remove front luggage floor bracket.
19. Remove rear luggage box bracket.
INSTALLATION
Installation is in the reverse order of removal.
1. Rear lower finisher cap 2. Rear lower finisher 3. Cap upper seat belt finisher RH
4. Luggage side finisher RH 5. Metal clip 6. Plastic clip
7. Luggage side finisher lower RH 8. Luggage floor board 9. Latch luggage floor board
10. Leak check cap 11. Cup holder 12. Tie down hook
13. Floor side finisher RH 14. Power point assembly 15. Cargo net hook
16. Rear luggage box bracket 17. Front luggage floor bracket 18. Storage box
19. Floor side finisher LH 20. Luggage side finisher upper LH 21. Luggage side finisher lower LH
22. Lid luggage side lower 23. Coat hook 24. Cap lower seat belt finisher
25. Back door open/close switch 26. Cap luggage side upper 27. Cap upper seat belt finisher LH

BACK DOOR TRIM
EI-41
C
D
E
F
G
H
J
K
L
MA
B
EI
Revision: August 20072004 QX56
BACK DOOR TRIMPFP:90900
Removal and InstallationEIS002XN
1. Disconnect door open/close link. Refer to BL-136, "BACK DOOR LOCK" .
2. Open back door glass.
3. Remove inside weatherstrip around back door glass.
4. Remove assist handle.
5. Release clips and remove back door lower finisher.
6. Release clips and remove back door upper finisher.
7. Release clips and remove back door side finishers LH and RH.
Installation is in the reverse order of removal.
1. Back door upper finisher 2. Back door glass weatherstrip 3. Back door side finisher RH
4. Back door lower finisher 5. Back door bumper 6. Back door pull handle
7. Back door mask 8. Back door side finisher LH
WIIA0619E

EI-42
BACK DOOR TRIM
Revision: August 20072004 QX56

EM-30Revision: August 2007
FUEL INJECTOR AND FUEL TUBE
2004 QX56
7. Remove the fuel injector from the fuel tube using the following
steps.
a. Spread open and remove the clip.
b. Remove the fuel injector from the fuel tube by pulling straight
out.
CAUTION:

Be careful with remaining fuel that may leak out from fuel
tube.

Do not damage injector nozzles during removal.

Do not bump or drop fuel injectors.

Do not disassemble fuel injectors.
8. Remove the fuel damper from each fuel tube.
INSTALLATION
1. Install the fuel damper to each fuel tube using the following
steps.
a. Apply engine oil to the new O-ring and set it into the cap of the
fuel tube.
CAUTION:

Handle O-ring with bare hands. Never wear gloves.

Lubricate new O-ring with new engine oil.

Do not clean O-ring with solvent.

Make sure that O-ring and its mating part are free of for-
eign material.

When installing O-ring, do not scratch it with tool or fin-
gernails.

Do not twist or stretch the O-ring.
b. Make sure that the backup spacer is in the O-ring connecting surface of the fuel damper.
NOTE:
The backup spacer is part of the fuel damper assembly.
c. Insert the fuel damper until it seats on the fuel tube.
CAUTION:

Insert straight, making sure that the axis is lined up.

Do not pressure-fit with excessive force.
d. Install the cap, and then tighten the bolts evenly.

After tightening the bolts, make sure that there is no gap between the cap and fuel tube.
2. Install new O-rings to the fuel injector paying attention to the items below.
CAUTION:

Upper and lower O-ring are different.
KBIA2506E
Reference value :130 N (13.3 kg, 29.2 lb)
KBIA2473E

EM-48Revision: August 2007
CAMSHAFT
2004 QX56
Camshaft End Play

Install dial gauge in thrust direction on front end of camshaft.
Measure end play when camshaft is moved forward/backward
(in direction to axis).

If measurement is not within specification, replace with new
camshaft and measure again.

If measurement is still not within specification, replace with new
cylinder head.

Measure the following parts if end play is outside the specified
value.
–Dimension "A" for camshaft No. 1 journal
–Dimension "B" for cylinder head No. 1 journal

If measurements are not within specification, replace camshaft
and/or cylinder head.
Camshaft Sprocket Runout
1. Install camshaft in cylinder head.
2. Install camshaft sprocket to camshaft.
3. Measure camshaft sprocket runout.

If measurement exceeds the specification, replace camshaft
sprocket.
Valve Lifter
Check if surface of valve lifter has any wear or cracks.

If any damage is found, replace valve lifter.

Select the thickness of the head so that valve clearance is within
the standard when replacing. Refer to EM-52, "
Valve Clearance"
.Standard : 0.115 - 0.188 mm (0.0045 - 0.0074 in)
PBIC0042E
Standard : 30.500 - 30.548 mm (1.2008-1.2027 in)
Standard : 30.360 - 30.385 mm (1.1953-1.1963 in)
KBIA2426J
Runout : Less than 0.15 mm (0.0059 in)
KBIA0181J
KBIA0182E

EM-50Revision: August 2007
CAMSHAFT
2004 QX56
3. Install camshaft brackets.

Install by referring to installation location mark on upper sur-
face.

Install so that installation location mark can be correctly read
when viewed from the intake manifold side.

Install No.1 camshaft bracket using the following procedure:
–Apply liquid gasket to No.1 camshaft bracket as shown.
Use Genuine RTV Silicone Sealant or equivalent. Refer to
GI-45, "
Recommended Chemical Products and Sealants".
CAUTION:

After installation, be sure to wipe off any excessive liq-
uid gasket leaking from part “A” and “B” (both on right
and left sides).

Remove completely any excess of liquid gasket inside
bracket.
–Apply liquid gasket to the back side of front cover as shown.
Use Genuine RTV Silicone Sealant or equivalent. Refer to
GI-45, "
Recommended Chemical Products and Sealants".
–Position No.1 camshaft bracket close to mounting position,
and then install it to prevent from touching liquid gasket
applied to each surface.
KBIA2525E
PBIC0035E
KBIA2487E
SBIA0259E

EM-70Revision: August 2007
ENGINE ASSEMBLY
2004 QX56
ENGINE ASSEMBLYPFP:10001
Removal and InstallationEBS00ILW
WAR NIN G:

Situate vehicle on a flat and solid surface.

Place chocks at front and back of rear wheels.

For engines not equipped with engine slingers, attach proper slingers and bolts described in
PARTS CATALOG.
CAUTION:

Always be careful to work safely, avoid forceful or uninstructed operations.

Do not start working until exhaust system and engine coolant are cooled sufficiently.

If items or work required are not covered by the engine section, refer to the applicable sections.

Always use the support point specified for lifting.

Use either 2-point lift type or separate type lift. If board-on type is used for unavoidable reasons,
support at the rear axle jacking point with transmission jack or similar tool before starting work, in
preparation for the backward shift of center of gravity.

For supporting points for lifting and jacking point at rear axle, refer to GI-40, "Garage Jack and
Safety Stand" .
REMOVAL
Preparation
1. Drain engine coolant. Refer to MA-12, "DRAINING ENGINE COOLANT" .
2. Partially drain A/T fluid. Refer to AT - 1 3 , "
Changing A/T Fluid" .
3. Release fuel pressure. Refer to EC-46, "
FUEL PRESSURE RELEASE" .
4. Remove the engine hood. Refer to BL-12, "
HOOD" .
1. Rear engine mounting insulator 4x4 2. Rear engine mounting insulator 4x2 3. LH engine mounting bracket
4. LH heat shield plate 5. LH engine mounting insulator 6. RH engine mounting bracket
7. RH heat shield plate 8. RH engine mounting insulator
LBIA0397E