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:

Diagnosis and repair work flow
Work flow OVERALL SEQUENCE DETAILED FLOW 1.INTERVIEW THE CUSTOMER FOR THE SYMPTOM Interview the customer for the symptom (the condition and the environment when the incident/malfunction occurs). >> GO TO 2. 2.CHECK SYMPTOM Check the symptom from the customer information. > ...

Getting started
The following procedures will help you get started using the Bluetooth® Hands-Free Phone System with NISSAN Voice Recognition. For additional command options, refer to “List of voice commands” in this section. Choosing a language You can interact with the Bluetooth® Hands- Free Phone Sy ...

On board refueling vapor recovery(ORVR)
Component Function Check 1.CHECK ORVR FUNCTION Check whether the following symptoms are present. Fuel odor from EVAP canister is strong Cannot refuel/Fuel odor from the fuel filler opening is strong while refueling. Are any symptoms present? YES >> Proceed to EC-468, "Diagn ...

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