LEMON Manuals: Even more car manuals for everyone
Home >> Mercedes Benz >> 2014 >> CLA250 Base >> Repair and Diagnosis >> Suspension >> Front Suspension >> Front Axle - 117 Chassis >> Testing & Repair >> Remove/install boots on front axle shaft - AR33.30-P-0690NKB

Remove/install boots on front axle shaft - AR33.30-P-0690NKB

MODEL 117, 156, 176, 242, 246 with TRANSMISSION 711.6, 724.0 

MODEL 242 with ENGINE 780 

Fig 1: Front Axle Shaft Boot Remove/Install Components (1 Of 2)
G10250443Courtesy of MERCEDES-BENZ USA
Fig 2: Front Axle Shaft Boot Remove/Install Components (2 Of 2)
G10250444Courtesy of MERCEDES-BENZ USA
REMOVING Remove     
1 Remove front axle shaft (1)   AR33.30-P-0620NKB 
2 Clamp front axle shaft (1) in vise IMPORTANT Use soft vise jaws.  
3 Detach clamp (9a)    
4 Detach clamp (9b)    
5 Cut open boot (9) and remove    
6 Mark ball joint (10) relative to front axle shaft (1) NOTES
Before dismantling the ball joint (10) all parts must be marked relative to each other.
A different assignment during assembly can lead to noise and increased wear.
 
7 Release vise IMPORTANT The ball joint (10) must make contact with the protective jaws of the vise.  
8 Pry out front axle shaft (1) out of ball joint (10) using drift (3) SPECIAL TOOL Drift Fig 3
9 Remove retaining ring (1b)    
10 Clean ball joint (10) In case of water entry or soiling:
↓
Mark ball joint (10), constant velocity joint hub (10a) and cage (10b) relative to each other and disassemble.
 
11 Clamp front axle shaft (1) in vise IMPORTANT Use soft vise jaws.  
12 Detach clamp (2)    
13 Detach clamp (4b)    
14 Cut open boot (4a) and remove    
15 Drive out ball joint (8) at constant velocity joint hub (8a) from front axle shaft (1)    
16 Remove retaining ring (1a)    
CLEAN Clean     
17 Clean ball joint (8) and drive shaft (1) In case of water entry or soiling:
↓
Mark ball joint (8), constant velocity joint hub (8a) and cage (8b) relative to each other and disassemble.
 
INSTALLING Install     
18 Assemble ball joint (8) If ball joint (8) had been disassembled for cleaning.
IMPORTANT Observe markings.
   
19 Slide clamp (2) onto front axle shaft (1)    
20 Slide boot (4a) with clamp (4b) onto front axle shaft (1)    
21 Fit retaining ring (1a) IMPORTANT Replace retaining ring (1a).  
22 Fill ball joint (8) half-full with grease IMPORTANT Only use grease from the repair kit.  
23 Slide ball joint (8) onto front axle shaft (1) IMPORTANT Observe markings.  
24 Fill ball joint (8) with remaining grease IMPORTANT Only use quantity of grease from repair kit.  
25 Slide boot (4a) with clamp (4b) onto ball joint (8)    
26 Position raised bead of boot (4a) in the radial groove of ball joint (8)    
27 Fasten clamp (4b) using clamp pliers INSTALLATION NOTES
Dimension "X" must be ≤2.5 mm.
Otherwise the boot (4a) can get leaky.
 
28 Align boot (4a) with front axle shaft (1)    
29 Position the raised bead of the boot (4a) in the radial groove of the front axle shaft (1)    
30 Ventilate ball joint (8) by slightly lifting the raised bead NOTES
Do not damage raised bead and radial groove. Leaks can occur on the ball joint (8) otherwise.
 
31 Fasten clamp (2) using clamp pliers INSTALLATION NOTES
Dimension "X" must be ≤2.5 mm.
Otherwise the boot (4a) can get leaky.
 
32 Assemble ball joint (10) If ball joint (10) had been disassembled for cleaning.
IMPORTANT Observe markings.
 
33 Slide clamp (9a) onto front axle shaft (1)    
34 Slide new boot (9) with clamp (9b) onto front axle shaft (1)    
35 Fit retaining ring (1b) IMPORTANT Replace retaining ring (1b).  
36 Fill ball joint (10) with grease up to upper edge of constant velocity joint hub (10a) IMPORTANT Only use grease from the repair kit.  
37 Slide ball joint (10) onto front axle shaft (1)    
38 Fill boot (9) and ball joint (10) with rest of grease IMPORTANT Only use grease from the repair kit.  
39 Slide boot (9) with clamp (9b) onto ball joint (10)    
40 Position the raised bead of the boot (9) in the center groove of the front axle shaft (1) and in the groove on the ball joint (10)    
41 Fasten clamp (9a) INSTALLATION NOTES
Dimension "X" must be ≤2.5 mm.
Otherwise the boot (9) can get leaky.
 
42 Fasten clamp (9b) INSTALLATION NOTES
Dimension "X" must be ≤2.5 mm.
Otherwise the boot (9) can get leaky.
 
43 Remove front axle shaft (1) from vise    
44 Install front axle shaft (1)   AR33.30-P-0620NKB 
Fig 3: Drift (246 589 00 15 00)
G10250445Courtesy of MERCEDES-BENZ USA