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B18 Owner's 2020-2025 Sentra owner information B18 Service 2020-2025 Sentra Workshop manual B17 Owner's 2013-2019 Sentra owner documentation B17 Service 2013-2019 Sentra service information

Nissan Sentra B18 (2020-2025) Service Manual: Preparation

Repairing Material

Foam Repair

Foam Repair

During factory body assembly, foam insulators are installed in certain body panels and locations around the Nissan Sentra 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 Nissan Sentra vehicle.

<Urethane foam for foaming agent>

3Mâ„¢ Flexible Foam 08463 or equivalent

Read instructions on product for fill procedures.

CAUTION:

To avoid the risk of minor personal injury or property damage:

Always install urethane foam after welded panels are installed and welding is complete.

Example of foaming agent filling operation procedure:

Fill procedures after installation of service part. Eliminate foam material remaining on Nissan Sentra vehicle side. Clean area after eliminating foam insulator and foam material. Install service part. Insert nozzle into hole near fill area and fill foam material or fill enough to close gap with the service part.

1.

Urethane foam

A.

Nozzle insert hole

Front

Fill procedures before installation of service part: Eliminate foam material remaining on Nissan Sentra vehicle side. Clean area after eliminating foam insulator and foam material. Fill with enough foam material on the wheelhouse outer side to close the gap with the service part while avoiding the flange area.

1.

Urethane foam

A.

Fill while avoiding flange area

Front
Install service part. Note:

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

Body Component Parts

Underbody Component, Engine Compartment Parts

Underbody Component, Engine Compartment Parts

: Both sided anti-corrosive precoated steel portions

: High strength steel (HSS) sections

: Both sided anti-corrosive steel and HSS portions

No.

Parts name

Tensile strength (MPa)

Both sided anti-corrosive precoated steel sections

Aluminum portion

1.

Rear floor rear

Under 440

x

—

2.

Cowl top

Under 440

x

—

3.

Dash assembly upper

440

x

—

4.

Dash assembly lower

Under 440

x

—

5.

Dash assembly lower cross member

1300

x

—

6.

Dash side

440

x

—

7.

Front floor center assembly

780

x

—

8.

Front strut housing assembly

590

x

—

9.

Front hoodledge lower

440

x

—

10.

Front hoodledge reinforcement

440

x

—

11.

Front suspension mounting rear bracket assembly

590

x

—

12.

Upper radiator core support

Under 440

x

—

13.

Upper radiator core support side

Under 440

x

—

14.

Front side member extension inner

590

x

—

15.

Front side member extension outer

590

x

—

16.

Front side member closing plate

980

x

—

17.

Hoodledge connector

Under 440

x

—

18.

Front side member assembly

980

x

—

19.

Rear side member assembly

980

x

—

20.

Rear side member assembly extension

590

x

—

21.

Sill inner

980

x

—

22.

2nd cross member

Under 440

x

—

23.

3rd cross member

1180

x

—

24.

Front floor RH/LH

590

x

—

25.

Rear seat cross member

590

x

—

26.

Rear cross member reinforcement

590

x

—

27.

Rear cross member center assembly

590

x

—

28.

Rear side member closing plate

590

x

—

29.

Rear floor front extension

Under 440

x

—

30.

Rear floor front

Under 440

x

—

31.

Rear seatback lower support assembly

Under 440

x

—

32.

Rear floor side assembly

Under 440

x

—

CAUTION:

If the high strength steel (ultra high strength steel) is bent or broken, replace by assembly for the supply part.

Note:

  • For the parts without a number described in the figure, it is supplied only with the assembly part that the part is included with.

  • Tensile strength column shows the largest strength value of a part in the component part.

Body Component Parts

Body Component Parts

: Both sided anti-corrosive precoated steel portions

: High strength steel (HSS) sections

: Both sided anti-corrosive steel and HSS portions

No.

Parts name

Tensile strength (MPa)

Both sided anti-corrosive precoated steel sections

Aluminum portion

1.

Roof panel

Under 440

X

—

2.

Roof bow 1st

440

X

—

3.

 Front roof rail

Under 440

X

—

4.

Hood

Under 440

X

—

5.

Rear parcel shelf side RH/LH

1180

X

—

6.

Roof side rail inner

980

X

—

7.

Center pillar inner

980

X

—

8.

Front pillar upper inner

1180

X

—

9.

Front pillar outer reinforcement

1180

X

—

10.

Center pillar reinforcement

1180

—

—

11.

Roof side rail outer reinforcement

1180

X

—

12.

Body side outer

Under 440

X

—

13.

Outer sill reinforcement

1180

X

—

14.

Rear side bumper bracket

Under 440

X

—

15.

Upper rear bumper retainer

Under 440

X

—

16.

Rear panel assembly

Under 440

X

—

17.

Parcel shelf

Under 440

X

—

18.

Rear fender extension

Under 440

X

—

19.

Rear combination lamp (body side) pocket

Under 440

X

—

20.

Rear fender

Under 440

X

—

21.

Rear outer wheelhouse

Under 440

X

—

22.

Rear inner wheelhouse

440

X

—

23.

Rear pillar inner

Under 440

X

—

24.

Front door panel

Under 440

X

—

25.

Front door assembly

Under 440

X

—

26.

Rear door panel

Under 440

X

—

27.

Trunk lid

Under 440

X

—

28.

Roof rail rear

Under 440

X

—

29.

Rear door assembly

440

X

—

30.

Roof bow 4th

Under 440

X

—

31.

Roof bow 3rd

Under 440

X

—

32.

Front fender

Under 440

X

—

33.

Moonroof reinforcement assembly

Under 440

X

—

34.

Moonroof panel

Under 440

X

—

35.

Roof bow 2nd

1180

X

—

CAUTION:

If the high strength steel (ultra high strength steel) is bent or broken, replace by assembly for the supply part.

Note:

  • For the parts without a number described in the figure, it is supplied only with the assembly part that the part is included with.

  • Tensile strength column shows the largest strength value of a part in the component part.

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