Nissan Versa Note. Manual - part 139

BRM-8

< PRECAUTION >

PRECAUTIONS IN REPAIRING HIGH STRENGTH STEEL

• When welding HSS panels, use spot welding whenever possi-

ble in order to minimize weakening surrounding areas due to

heat.

If spot welding is impossible, use M.I.G. welding. Do not use

gas (torch) welding because it is inferior in welding strength.

• The spot weld on HSS panels is harder than that of an ordi-

nary steel panel.

Therefore, when cutting spot welds on a HSS panel, use a low

speed high torque drill (1,000 to 1,200 rpm) to increase drill bit

durability and facilitate the operation.

2. Precautions in spot welding HSS

This 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 to

the metal thickness.

• The panel surfaces must fit flush to each other, leaving no

gaps.

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PRECAUTIONS IN REPAIRING HIGH STRENGTH STEEL

BRM-9

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• Follow the specifications for the proper welding pitch.

Unit: mm (in)

Handling of Ultra High Strength Steel Plate Parts

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PROHIBITION OF CUT AND CONNECTION

Do not cut and join the lower lock pillar reinforcement (center pillar reinforcement inside frame parts) because

its material is high strength steel plate (ultra high strength steel plate). 

The center pillar reinforcement must be replaced if this part is damaged. 

Thickness (T)

Minimum pitch (L)

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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BRM-10

< PREPARATION >

REPAIRING MATERIAL

PREPARATION

REPAIRING MATERIAL

Foam Repair

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During factory 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 Urethane foam for sealant (foam material) repair of material used on vehicle.

Read instructions on product for fill procedures.

NOTE:

Refer to the label on the urethane foam container for information on working times.

FILL PROCEDURES

Example of foaming agent filling operation procedure:

1. Fill procedures after installation of service part.
a. Insert nozzle into hole near fill area and fill foam material (A) or fill enough to close gap with the service

part.

b. Clean area after eliminating form insulator and foam material.

<Urethane foam for foaming agent>

3M™ Automix™ Flexible Foam 08463 or equiva-
lent

A. Urethane foam

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BODY COMPONENT PARTS

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BODY COMPONENT PARTS

Underbody Component Parts

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 High strength steel (HSS) portions

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