Factory-style information for owners and repair work

Nissan Sentra techinfo

Find Nissan Sentra owner information, maintenance instructions, technical references, service procedures and useful repair pages in one clean online library.

Nissan Sentra B18 (2020-2025) Service Manual: Precautions for Work

Precautions for Work

  • When removing or disassembling each component, be careful not to damage or deform it. If a component may be subject to interference, be sure to protect it with a shop cloth.

  • When removing (disengaging) components with a screwdriver or similar tool, be sure to wrap the component with a shop cloth or vinyl tape to protect it.

  • Protect the removed parts with a shop cloth and prevent them from being dropped.

  • Replace a deformed or damaged clip.

  • If a part is specified as a non-reusable part, always replace it with a new one.

  • Be sure to tighten bolts and nuts securely to the specified torque.

  • After installation is complete, be sure to check that each part works properly.

  • Follow the steps below to clean components:

    • Water soluble dirt:

      1. Dip a soft cloth into lukewarm water, wring the water out of the cloth and wipe the dirty area.

      2. Then rub with a soft, dry cloth.

    • Oily dirt:

      1. Dip a soft cloth into lukewarm water with mild detergent (concentration: within 2 to 3%) and wipe the dirty area.

      2. Then dip a cloth into fresh water, wring the water out of the cloth and wipe the detergent off.

      3. Then rub with a soft, dry cloth.

    • Do not use organic solvent such as thinner, benzene, alcohol or gasoline.

    • For genuine leather seats, use a genuine leather seat cleaner.

    Precaution for Supplemental Restraint System (srs) "air Bag" and "seat Belt Pre-Tensioner"
    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...
    Precaution for Procedure Without Cowl Top Cover
    Precaution for Procedure without Cowl Top Cover When performing the procedure after removing cowl top cover, cover the lower end of windshield with urethane, etc to prevent dama...

    Other materials:

    B2f71-23 Stop Lamp
    Dtc Description DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen items (Trouble diagnosis content) DTC detecting condition ...

    P2270 O2 Sensor 2 Bank 1
    Dtc Description DTC Description The heated oxygen sensor 2 has a much longer switching time between rich and lean than the air fuel ratio (A/F) sensor 1. The oxygen storage capacity of the three way catalyst (manifold) causes the longer switching time. MALFUNCTION A To judge the ...

    B12b8-97 Collision Detection
    Dtc Description DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen items (Trouble diagnosis content) DTC Detection Condition ...