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Home >> Mercedes Benz >> 2006 >> C230 Automatic >> Repair and Diagnosis >> Suspension >> Front Suspension >> Suspension -- 203 Chassis >> Testing & Repair >> Disassemble/assemble suspension strut - AR32.25-P-1018PW

Disassemble/assemble suspension strut - AR32.25-P-1018PW

MODELS 203.081 /084 /087 /092 /281 /284 /287 /292 

Fig 1: Identifying Suspension Strut Disassemble/Assemble Components - Models 203.081 /084 /087 /092 /281 /284 /287 /292 (1 Of 2)
G04733200
Fig 2: Identifying Suspension Strut Disassemble/Assemble Components - Models 203.081 /084 /087 /092 /281 /284 /287 /292 (2 Of 2)
G04733201
REMOVING Remove     
DANGER Risk of injury  caused by pinching or crushing  when working on springs or spring bodies that are under load 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
1 Remove front spring strut (11) IMPORTANT If the suspension strut is replaced, observe the regulations governing disposal, see: ↓ AR32.25-P-1017PW 
REFER TO FORMS   Disposing of shock absorber OS32.25-P-0121-01GC 
DISASSEMBLING Disassemble     
2 Clamp spring compressor in a vise and install clamping plates SPECIAL TOOL Tensioning device Figure
    SPECIAL TOOL Tensioning plates Figure
    SPECIAL TOOL Clamping plate Fig 5
3 Install suspension strut (11) in spring compressor IMPORTANT To do this, adjust opening dimension:
X = 155 mm.
 
4 Clamp spring (12) until the load is taken off the upper spring cup IMPORTANT X = 30 mm.  
5 Unscrew slotted nut (11a) SPECIAL TOOL Counter the piston rod using a hexagon socket wrench.  
    SPECIAL TOOL Pin wrench socket Figure
6 Remove ball bearing (11c)    
7 Remove suspension strut (11)    
8 Release spring compressor and remove spring (12) and upper spring cup IMPORTANT Before removing, mark the spring (12) with a chalk line.  
9 Check suspension strut (11) IMPORTANT Check suspension strut insert for leaks. A light oil film on the suspension strut insert is permissible. AR32.25-P-0121A 
ASSEMBLING Assemble     
10 Lay the spring (12) in the tensioning device IMPORTANT To do this, adjust opening dimension:
X = 215 mm.
 
11 Tension spring (12)    
12 Insert suspension strut (11) with the lower rubber mount (13b) and stop buffer (11f)    
13 Mount the upper rubber mount (13a), ball bearing (11c) and upper support bearing (11i)    
14 Attach slotted nut (11a) adequately and tighten IMPORTANT Counter the piston rod using a hexagon socket wrench.  
    TORQUE SPECIFICATION *BA32.25-P-1009-01B 
    SPECIAL TOOL Pin wrench socket Figure
15 Release spring (12) and remove spring strut (11) from spring compressor    
INSTALLING Install     
16 Install front strut assembly (11)   AR32.25-P-1017PW 
17 Perform chassis alignment   AR40.20-P-0200P
TORQUE SPECIFICATION FRONT AXLE SHOCK ABSORBER

Number Designation Model 203 with 4MATIC
BA32.25-P-1009-01B Nut to piston rod Nm 20
Fig 3: Identifying Tensioning Device (203 589 01 31 00)
G04733202
Fig 4: Identifying Tensioning Plates (203 589 01 63 00)
G04733203
Fig 5: Identifying Clamping Plate (203 589 01 63 02)
G04733204
Fig 6: Identifying Pin Wrench Socket (203 589 00 07 00)
G04733205