Nissan Sentra manuals

Nissan Sentra Service Manual: Precautions in repairing high strength steel

High strength steel (HSS)

High strength steel is used for body panels in order to reduce vehicle weight.

Accordingly, precautions in repairing automotive bodies made of high strength steel are described below:

Tensile strength

Nissan/Infiniti designation

Major applicable parts

373 N/mm2 (38kg/mm2,54klb/sq in) SP130
  • Front side member assembly
  • Hoodledge assembly
  • Upper dash
  • Front pillar reinforcement assembly
  • Rear side member assembly
  • Other reinforcements

SP130 is the most commonly used HSS.

Read the following precautions when repairing HSS:

  1. Additional points to consider






  1. Precautions in spot welding HSS

This work should be performed under standard working conditions.

Always note the following when spot welding HSS:




Handling of ultra high strength steel plate parts


Handling of ultra high strength steel plate parts

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.

Precaution for supplemental restraint system (SRS) "air bag" and "seat belt pre-tensioner"
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along with a front seat belt, helps to reduce the risk or severity of injury to the dri ...

Preparation
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Other materials:

Charging system preliminary inspection
Diagnosis Procedure 1.CHECK BATTERY TERMINALS CONNECTION Check if battery terminals are clean and tight. Is the inspection result normal? YES >> GO TO 2. NO >> Repair battery terminal connection. Confirm repair by performing complete Charging system test using EXP-800 NI or G ...

Service Notice and Precautions for Road Wheel
Genuine NISSAN aluminum wheel is designed for each type of vehicle. Use it on the specified vehicle only. Use Genuine NISSAN parts for the road wheels, valve caps and wheel nuts. Always use them after adjusting the wheel balance. For the balance weights, use Genuine NISSAN aluminum wh ...

Automatic operation
Heating (A/C OFF) The air conditioner does not activate. When you need to heat only, use this mode. Press the A/C button. (A/C OFF will be displayed and A/C indicator will turn off.) Use the temperature control buttons to set the desired temperature. The temperature of the passenge ...

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