2007 INFINITI QX56 Factory Service Manual

clock reset key fob battery fuel reserve weight display auxiliary battery location

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INFINITI QX56 2007 Factory Service Manual
PRECAUTIONSATC-7
< SERVICE INFORMATION >
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Rear A/C
CAUTION:
The new and former refrigerant connections use diffe rent O-ring configurations. Do not confuse O-
rings s

Page 378 of 3061

INFINITI QX56 2007 Factory Service Manual
ATC-8
< SERVICE INFORMATION >
PRECAUTIONS
*: Always check with the Parts Department for the latest parts information.
WARNING:
Make sure all refrigerant is discharged into the recycling equipment and

ATC-8
< SERVICE INFORMATION >
PRECAUTIONS
*: Always check with the Parts Department for the latest parts information.
WARNING:
Make sure all refrigerant is discharged into the recycling equipment and the pressure in the system is
less than atmospheric pressure. Then gradually loo sen the discharge side hose fitting and remove it.
CAUTION:
When replacing or cleaning refrigeran t cycle components, observe the following.
• When the compressor is removed, store it in the same position as it is when mounted on the car.
Failure to do so will cause oil to enter the low pressure chamber.
• When connecting tubes, always use a torque wrench and a back-up wrench.
• After disconnecting tubes, immedi ately plug all openings to prevent entry of dirt and moisture.
• When installing an air conditioner in the vehicle, connect the pipes as the final stage of the opera-
tion. Do not remove the seal caps of pipes and othe r components until just before required for con-
nection.
• Allow components stored in cool areas to warm to working area temperature before removing seal
caps. This prevents condensation from forming inside A/C components.
• Thoroughly remove moisture from the refrigerat ion system before charging the refrigerant.
• Always replace used O-rings.
• When connecting tube, apply oil to circle of the O-rings shown in illustration. Be careful not to apply
oil to threaded portion.
Oil name: NISSAN A/C System Oil Type S or equivalent
• O-ring must be closely attached to dented portion of tube.
• When replacing the O-ring, be careful not to damage O-ring and tube.
• Connect tube until you hear it cl ick, then tighten the nut or bolt by hand until snug. Make sure that
the O-ring is installed to tube correctly.
• After connecting line, conduct leak test and make sure that there is no leakage from connections.
When the gas leaking point is foun d, disconnect that line and replace the O-ring. Then tighten con-
nections of seal seat to the specified torque.
Connec-
tion typeO-ring
size Part number* D mm (in) W mm (in)
New 8 92471 N8210 6.8 (0.268) 1.85 (0.0728)
Former 10 J2476 89956 9.25 (0.3642) 1.78 (0.0701) New 1292472 N8210 10.9 (0.429) 2.43 (0.0957)
Former 92475 71L00 11.0 (0.433) 2.4 (0.094) New 1692473 N8210 13.6 (0.535) 2.43 (0.0957)
Former 92475 72L00 14.3 (0.563) 2.3 (0.091) New 1992474 N8210 16.5 (0.650) 2.43 (0.0957)
Former 92477 N8200 17.12 (0.6740) 1.78 (0.0701) New 24 92195 AH300 21.8 (0.858) 2.4 (0.094)
SHA814E

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INFINITI QX56 2007 Factory Service Manual
PRECAUTIONSATC-9
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Precaution for Service of CompressorINFOID:0000000003533224
• Plug all openings to prevent moisture and foreign matter fr

Page 380 of 3061

INFINITI QX56 2007 Factory Service Manual
ATC-10
< SERVICE INFORMATION >
PRECAUTIONS
The oil contained inside the vacuum pump is not compatible with the
specified oil for HFC-134a (R-134a) A/C systems. The vent side of
the vacuum pump is exp

Page 381 of 3061

INFINITI QX56 2007 Factory Service Manual
PRECAUTIONSATC-11
< SERVICE INFORMATION >
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Never attempt to connect HFC-134a (R-134a) service couplers to a
CFC-12 (R-12) A/C system. T he HFC-134a (R-134a) couplers

Page 382 of 3061

INFINITI QX56 2007 Factory Service Manual
ATC-12
< SERVICE INFORMATION >
PREPARATION
PREPARATION
Special Service ToolINFOID:0000000003533226
The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated he

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INFINITI QX56 2007 Factory Service Manual
PREPARATIONATC-13
< SERVICE INFORMATION >
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KV991J0130
(ACR2005-NI)
ACR A/C Service Center Refrigerant recovery
, recycling and re-
charging
—
(J-41995)
Electronic r

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INFINITI QX56 2007 Factory Service Manual
ATC-14
< SERVICE INFORMATION >
PREPARATION
Commercial Service Tool
INFOID:0000000003533228
—
(J-43872)
Refrigerant dye cleaner For cleaning dye spills.
—
(J-39183-C)
Manifold gauge set (with hose

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