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Home >> Mercedes Benz >> 2014 >> SL550 >> Repair and Diagnosis >> Suspension >> Front Suspension >> Front Axle - 231 Chassis >> Maintenance >> Inspect front axle joint for play, inspect rubber boots - AP33.20-P-3353SX

Inspect front axle joint for play, inspect rubber boots - AP33.20-P-3353SX

MODEL 216, 221, 231 

Shown on model 221 with AIRmatic 

Fig 1: Inspecting Front Axle Components - Shown On Model 221
G10109551Courtesy of MERCEDES-BENZ USA
INSPECT Checking     
DANGER Risk of death  caused by vehicle slipping or toppling off of the lifting platform. Align vehicle between columns of vehicle lift and position four support plates at vehicle lift support points specified by vehicle manufacturer. AS00.00-Z-0010-01A
DANGER Risk of injury  caused by moving parts that can pinch, crush  or, in extreme cases, even sever  extremities No parts of the body or limbs should be within the operating range of the mechanism when moving components. AS00.00-Z-0009-01A
1 Raise vehicle using vehicle lift until the wheels are clear of the ground Model 216, 221
Model 231		 AR00.60-P-1000SX
2 Check rubber boots (7m) of supporting joints (7k) for leaktightness and condition IMPORTANT If the rubber boot (7m) is leaky, cracked or damaged, install a new spring control arm (7) subject to separate invoice: ↓
Remove/install, spring control arm at front axle:		  
Model 221 without code (487) Active Body Control (ABC), except code (Z07) Top protection, except 4MATIC AR33.15-P-0170SX
Model 221.0/1, 216 with CODE (487) Active Body Control (ABC) AR33.15-P-0170SY
Model 221.1 with code (Z07) Top protection AR33.15-P-0170SXS
Model 221, 216 with 4MATIC AR33.15-P-0170SYZ
Model 231 AR33.15-P-0170RK 
3 Check rubber boots (18m) on ball joints (18k) of torque struts (18) for leaktightness and condition IMPORTANT If the rubber boot (18m) is leaky, cracked or damaged, install a new strut rod (18) subject to separate invoice: ↓
Remove/install torque strut at front axle:		  
Model 216, 221 AR33.15-P-0160SX
Model 231 AR33.15-P-0160RK 
4 Check rubber boots (10m) on joints (10k) of link rods (10) of stabilizer bar (11) for leaktightness and condition Vehicles with stabilizer bar (11)
IMPORTANT If the rubber boot (10m) is leaky, cracked or damaged, install a new link rod (10) subject to separate invoice:		  
5 Check rubber boots (8m) on ball joints (8k) of upper transverse control arm (8) for leaks and condition IMPORTANT If the rubber boot (8m) is leaky, cracked or damaged, install a new upper transverse control arm (8) subject to separate invoice: ↓
Remove/install upper wishbone:		  
Model 216,
Model 221.0/1 without code (Z07) Top protection		 AR33.20-P-0500SX
Model 221.1 with code (Z07) Top protection AR33.20-P-0500SXS
Model 231 AR33.20-P-0500RK 
6 Check rubber boots (9m) on ball joints (9k) of suspension struts (9) for leaktightness and condition IMPORTANT If the rubber boot (9m) is leaky, cracked or damaged, install a new spring control arm (7) subject to separate invoice: ↓
Remove/install, spring control arm at front axle:		  
Model 221 without code (487) Active Body Control (ABC), except code (Z07) Top protection, except 4MATIC AR33.15-P-0170SX
Model 221.0/1, 216 with CODE (487) Active Body Control (ABC) AR33.15-P-0170SY
Model 221.1 with code (Z07) Top protection AR33.15-P-0170SXS
Model 221, 216 with 4MATIC AR33.15-P-0170SYZ
Model 231 AR33.15-P-0170RK 
7 Check supporting joints (7k) IMPORTANT Check supporting joints (7k) for play by pulling and pressing firmly. In event of play on spring control arm (7) replace subject to separate invoice: ↓
Remove/install, spring control arm at front axle:		  
Model 221 without code (487) Active Body Control (ABC), except code (Z07) Top protection, except 4MATIC AR33.15-P-0170SX
Model 221.0/1, 216 with CODE (487) Active Body Control (ABC) AR33.15-P-0170SY
Model 221.1 with code (Z07) Top protection AR33.15-P-0170SXS
Model 221, 216 with 4MATIC AR33.15-P-0170SYZ
Model 231 AR33.15-P-0170RK 
8 Check ball joints (18k) of torque struts (18) IMPORTANT Check ball joints (18k) for play by pulling and pressing firmly on the torque strut (18) for play. In event of play on strut rod (18) replace subject to separate invoice:
↓
Remove/install torque strut at front axle:		  
Model 216, 221 AR33.15-P-0160SX
Model 231 AR33.15-P-0160RK 
9 Check ball joints (10k) of link rods (10) of stabilizer bar (11) Vehicles with stabilizer bar (11)
IMPORTANT Check ball joints (10k) of link rods (10) for play by pulling and pushing on stabilizer bar (11). In event of play on link rod (10) replace subject to separate invoice:		  
10 Check ball joints (8k) of upper transverse control arm (8) IMPORTANT Check ball joints (8k) for play by pulling and pressing firmly on the steering knuckles (12). In event of play on upper transverse control arm (8) replace subject to separate invoice: ↓
Remove/install upper wishbone:		  
Model 216,
Model 221.0/1 without code (Z07) Top protection		 AR33.20-P-0500SX
Model 221.1 with code (Z07) Top protection AR33.20-P-0500SXS
Model 231 AR33.20-P-0500RK 
11 Check ball joints (9k) or bearings of suspension struts (9) IMPORTANT Check ball joints (9k) or bearings for wear by pulling and pressing firmly on the suspension struts (9). In event of play on spring control arm replace subject to separate invoice (7): ↓
Remove/install, spring control arm at front axle:		  
Model 221 without code (487) Active Body Control (ABC), except code (Z07) Top protection, except 4MATIC AR33.15-P-0170SX
Model 221.0/1, 216 with CODE (487) Active Body Control (ABC) AR33.15-P-0170SY
Model 221.1 with code (Z07) Top protection AR33.15-P-0170SXS
Model 221, 216 with 4MATIC AR33.15-P-0170SYZ
Model 231 AR33.15-P-0170RK 
12 Lower vehicle    
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