INFINITI QX56 2010 Factory Service Manual

BRM-40
< SERVICE INFORMATION >
BODY REPAIR
2. Precautions in spot welding HSSThis work should be performed under standard working condi-
tions. Always note the following when spot welding HSS:
• The electrode tip diameter must be sized properly according tothe metal thickness.
• The panel surfaces must fit flush to each other, leaving no gaps.
• Follow the specifications for the proper welding pitch.
Unit:mm
Foam RepairINFOID:0000000005147340
During factory body assembly, foam insulators are installed in certain body panels and locations around the
vehicle. Use the following procedure(s) to replace any factory-installed foam insulators.
URETHANE FOAM APPLICATIONS
Use commercially available spray foam for sealant (foam material) repair of material used on vehicle. Read
instructions on product for fill procedures.
FILL PROCEDURES
1. Fill procedures after installation of service part.
- Remove foam material remaining on vehicle side.
- Clean area in which foam was removed.
- Install service part.
PIIA0146E
PIIA0147E
Thickness (t) Minimum pitch ( )
0.6 (0.024)
0.8 (0.031)
1.0 (0.039)
1.2 (0.047)
1.6 (0.063)
1.8 (0.071) 10 (0.39) or over
12 (0.47) or over
18 (0.71) or over
20 (0.79) or over
27 (1.06) or over
31 (1.22) or over
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- Insert nozzle into hole near fill area and fill foam material or fill in enough to close gap with the service part.
2. Fill procedures before installation of service part.
- Remove foam material remaining on vehicle side.
- Clean area in which foam was removed.
- Fill foam material on wheelhouse outer side. NOTE:
Fill in enough to close gap with service part while avoiding flange
area.
- Install service part.
NOTE:
Refer to label for information on working times.
Replacement OperationINFOID:0000000005147341
DESCRIPTION
This section is prepared for technicians who have attained a high level of skill and experience in repairing col-
lision-damaged vehicles and also use modern service tools and equipment. Persons unfamiliar with body
repair techniques should not attempt to repair collision-damaged vehicles by using this section.
Technicians are also encouraged to read Body Repair Manual (Fundamentals) in order to ensure that the orig-
inal functions and quality of the vehicle can be maintained. The Body Repair Manual (Fundamentals) contains
additional information, including cautions and warnings, that are not including in this manual. Technicians
should refer to both manuals to ensure proper repairs.
Please note that this information is prepared for worldwide usage, and as such, certain procedures may not
apply in some regions or countries.
LIIA1081E
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BRM-42
< SERVICE INFORMATION >
BODY REPAIR
The symbols used in this section for cutting and welding / brazing operations are shown below.
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• Front pillar butt joint can be determined anywhere within shaded area as shown in the figure. The best location for the butt joint is at
position A due to the construction of the vehicle. Refer to the front
pillar section.
• Determine cutting position and record distance from the locating indent. Use this distance when cutting the service part. Cut outer
front pillar over 60 mm above inner front pillar cut position.
• Prepare a cutting jig to make outer pillar easier to cut. Also, this will permit service part to be accurately cut at joint position.
• An example of cutting operation using a cutting jig is as follows.
1. Mark cutting lines. A: Cut position of outer pillar
B: Cut position of inner pillar
2. Align cutting line with notch on jig. Clamp jig to pillar.
3. Cut outer pillar along groove of jig. (At position A)
4. Remove jig and cut remaining portions.
5. Cut inner pillar at position B in same manner.
HOODLEDGE
PIIA0150E
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BRM-44
< SERVICE INFORMATION >
BODY REPAIR
• Work after radiator core support has been removed.
FRONT PILLAR
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• Work after rear hoodledge reinforcement has been removed.
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BRM-46
< SERVICE INFORMATION >
BODY REPAIR
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BRM-48
< SERVICE INFORMATION >
BODY REPAIR
CENTER PILLAR
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BODY REPAIRBRM-49
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