Remove/install front crashbox

AR62.10-S-0001E

Remove/install front crashbox

04.12.2019

Model

447, 448

Shown on model 447.813

1

Crash box

2

Bracket

3

Bolts

Shown on model 447.803

1

Crash box

2

Bracket

3

Bolts

 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

 Danger

Risk of death when working on component parts and systems with U >= 30 V alternating voltage (AC) or U >= 60 V direct voltage (DC)

Do not touch damaged or defective live component parts and lines or non-insulated electrical connections and lines.Model 447 with engine 780.701/702

AS00.00-Z-0035-01A

Topical note

General information on handling vehicles with high-voltage on-board electrical system and/or lithium-ion battery and/or gaseous-fuel drive system

Model 447 with engine 780.701/702

AH00.00-Z-0300-01A

 

Remove/install

1

Remove front bumper.

AR88.20-S-2000E

2

Remove washer fluid reservoir.

When removing the left crash box (1).

AR82.35-S-6000E

 For this purpose, remove the nuts and move the washer fluid reservoir out of the working area.

3

Remove the bumper's bracket.

AR88.20-S-2150E

4

Take radiator unit out of brackets (2) on crash boxes (1).

 Secure radiator unit on crossmember against falling down.

5

Remove corresponding crash box (1).

 To do this, remove screws/bolts (3).

 M8

*BA00.10-N-1003-01A

6

Install in the reverse order.

 Headless screws/bolts: screws/bolts and nuts, coarse-pitch thread

Number

Designation

8.8

10.9

BA00.10-N-1003-01A

M8

Galvanized

Nm

23

32

Phosphated

Nm

21

29

 Headless screws/bolts: screws/bolts and nuts, coarse-pitch thread

Number

Designation

12.9

BA00.10-N-1003-01A

M8

Galvanized

Nm

38

Phosphated

Nm

36