Disassemble/assemble suspension strut

AR32.25-P-1018FF

Disassemble/assemble suspension strut

26.3.08

18.3.08

General information on suspension strut noise complaint added

 

Disassemble/assemble

 Danger!

Risk of injury caused by pinching or crushing when working on springs or spring bodies that are under tension

Use only approved tensioning devices; shield off hazard area if necessary.
Inspect special tools for damage and proper operation (visual inspection).
Wear protective gloves.

AS00.00-Z-0001-01A



If, because of a noise complaint, the suspension strut (1) has to be disassembled, then the boots (6) must always be replaced in pairs.

1

Remove front spring strut (1)

AR32.25-P-1017FF

2

Clamp assembly tool set (11) in vise

 Pay attention to correct seating of the assembly tool set (11) in the vise.



*450589089900

3

Insert spring (5) in assembly tool set (11)

 The windings of the spring (5) must be gripped reliably in order to prevent the assembly tool set (11) from slipping off.

Insert the lower and upper winding of the spring (5) in the assembly tool set (11) and preload lightly. Check again for the correct seating of the spring (5).



*450589089900

4

Clamp spring (5) until the spring cup (9) is exposed

 When clamping the spring (5), do not use any impact wrench.

 Installation: Pay attention to correct seat of spring (5).



*450589089900

5

Unscrew nut (10) with socket wrench (A)

 Counterhold piston rod (2) with pin wrench (B).

The socket wrench (A) and pin wrench (B) are parts of the set of socket wrench bits.

 Installation: Replace nut (10).



*BA32.25-P-1004-04I



*454589019900

6

Remove spring cup (9) with pivot bearing (8) and top spring seat (7)

7

Pull suspension strut (1) out of the spring (5)

8

Remove bellows (6), protective cap (3) and lower spring seat (4)

9

Assemble in the reverse order

Number

Designation

Model
454.0 except model 454.034

Model
454.034

BA32.25-P-1004-04I

Nut, piston rod to spring cup

Nm

60

60