Remove/install underguard

AR61.40-S-1001P

Remove/install underguard

15.03.2018

Model

470, 471

with code Y1J (Sump shield)

1

Front underguard

5

Bolts

9

Bolts

2

Center underguard

6

Bolts

10

Bolts

3

Rear underguard

7

Bolts

11

Screw

4

Bolts

8

Bolts

3

Rear underguard

17

Threaded plates

 Danger

Risk of death caused by vehicle slipping or toppling off of the lifting platform.

Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer.

AS00.00-Z-0010-01A

 

Remove/install

1

Raise the vehicle on a vehicle lift.

AR00.60-S-1000-04P

Topical note

Special instructions for lifting and supporting vehicle

AH00.60-N-0100-01P

2

Release screws (9).

Topical note

Notes on self-locking nuts and bolts

AH00.00-N-0001-01A

 Release screws (9) until rear underguard (3) can be removed.

 Installation: Apply thread locking adhesive on free threads of screws (9).

 Screw, rear underguard to crossmember

*BA61.40-N-1006-01P

Thread locking adhesive, Loctite 241

*BR00.45-Z-1001-02A

3

Remove rear underguard (3).

Topical note

Notes on self-locking nuts and bolts

AH00.00-N-0001-01A

 For this purpose, remove screws (10, 11).

 Installation: Position rear underguard (3) at screws (9). Observe installation position of threaded plates (17). A helper is required.

 Screw, rear underguard to crossmember

*BA61.40-N-1006-01P

4.1

Release screws (6).

If only center underguard (2) is removed.

 Remove screws (6) until center underguard (2) can be removed.

 Screw, front and center underguard to crossmember

*BA61.40-N-1004-01P

4.2

Remove screw/bolts (6).

If only the front underguard (1) or front underguard (1) and center underguard (2) are removed.

 Screw, front and center underguard to crossmember

*BA61.40-N-1004-01P

5

Remove center underguard (2).

 Proceed by first removing the screw/bolts (8).

 Installation: Position center underguard (2) at screws (6).

 Screw, center underguard to crossmember

*BA61.40-N-1005-01P

6

Remove lower trim at front bumper.

AR88.20-S-2015P

7

Remove front underguard (1).

 For this purpose, remove screws (4, 5, 7).

 Screw, front underguard to crossmember

*BA61.40-N-1001-01P

 Screw, front bumper to front underguard

*BA61.40-N-1002-01P

 Screw, front underguard to holder

*BA61.40-N-1003-01P

8

Install in the reverse order

 Underguard

Number

Designation

Model 470, 471

BA61.40-N-1001-01P

Screw, front underguard to crossmember

M6

Nm

10

 Underguard

Number

Designation

Model 470, 471

BA61.40-N-1002-01P

Screw, front bumper to front underguard

M6

Nm

10

 Underguard

Number

Designation

Model 470, 471

BA61.40-N-1003-01P

Screw, front underguard to holder

M8

Nm

22

 Underguard

Number

Designation

Model 470, 471

BA61.40-N-1004-01P

Screw, front and center underguard to crossmember

M6

Nm

10

 Underguard

Number

Designation

Model 470, 471

BA61.40-N-1005-01P

Screw, center underguard to crossmember

M6

Nm

10

 Underguard

Number

Designation

Model 470, 471

BA61.40-N-1006-01P

Screw, rear underguard to crossmember

M10

Nm

22

Repair materials

Number

Designation

Order number

BR00.45-Z-1001-02A

Thread locking adhesive, Loctite 241

A 002 989 94 71