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Home >> Mercedes Benz >> 1998 >> SL600 >> Repair and Diagnosis >> Accessories & Equipment >> Steering Column Switches >> Steering -- 129 Chassis >> Testing & Repair >> Removing and installing steering gear - AR46.20-P-0500B >> Notes

Removing and installing steering gear - AR46.20-P-0500B: Notes

MODEL 129, 170, 202, 208 

Fig 1: Identifying Steering Gear Components
G04685949
MODIFICATION NOTES

10.9.03 Reference to adjusting toe on front axle replaced by reference to chassis alignment check Step 37  
REMOVING Removing     
DANGER Risk of fatal injury  if the vehicle slips or topples off the lifting platform Align vehicle between the columns of the lifting platform and position the four support plates at the lifting platform support points specified by the vehicle manufacturer. AS00.00-Z-0010-01A
DANGER Risk of injury  to skin or eyes from hydraulic fluid spraying out under pressure. Risk of poisoning  from swallowing hydraulic fluid. Depressurize the hydraulic system completely before starting any work on the system. Wear protective clothing and safety glasses. AS00.00-Z-0013-01A
DANGER Risk of injury  with trapped or crushed  fingers when removing and installing or aligning hoods, doors, trunk lid/tailgate and sliding roof. When moving components ensure that no body parts or limbs are in the area of movement. AS00.00-Z-0011-01A
NOTES Notes on self-locking bolts and nuts   AH00.00-N-0001-01A
1 On vehicles with adjustable steering column, fully extend it    
2 Open engine hood IMPORTANT Model 129: Unlock the hood from inside the car, pull handle out of radiator grille and open the hood.  
    Model 170 AR88.40-P-1000G
    Model 202 AR88.40-P-1000E
    Model 208 AR88.40-P-1000F
3 Suction off oil from the power steering pump SPECIAL TOOL Fig 2
4.1 Remove lower engine compartment paneling Vehicles with gasoline engines  
    Model 170 AR61.20-P-1105A
    Models 129, 202, 208 AR61.20-P-1105AB
4.2 Remove bottom sections of noise encapsulation Vehicles with diesel engines  
    Model 202 AR94.30-P-5300A
5.1 Detach tie rod (10) from steering gear pitman arm Model 129 AR46.40-P-0200A 
6.1 Detach drag link (11) from steering gear pitman arm Model 129 AR46.40-P-0100A 
    Models 170, 202, 208 AR46.40-P-0100C
7.1 Remove exhaust connecting pipe Model 129.066/067  
8.1 Remove left front exhaust pipe Model 208 except engines 112, 113: ↓
Remove exhaust system complete		  
    Engines 112, 113 AR49.10-P-7000AU
9.1 Remove exhaust shielding plate (23k) Model 129.066/067/076  
10.1 Detach exhaust shielding plates in area of steering Model 208 with engines 112, 113 AR46.20-P-0500-07A
11.1 Detach left front cross strut Model 208.4  
12 Detach return line (30f) and high-pressure expansion hose (30i) IMPORTANT Seal off line connections with plugs.  
    SPECIAL TOOL Set of plugs
IMPORTANT Model 208 with engines 112, 113: Attach box wrench bit with extension to high-pressure expansion hose (30i) from the front.		 Fig 7
    SPECIAL TOOL Box wrench bit Fig 6
13 Remove ignition key and engage steering lock, or remove electronic ignition key IMPORTANT Model 129 as of 02/93, model 202 with fanfare horns and airbag clock spring contact (A45): Keep the ignition key away from the vehicle.
NOTES On vehicles with fanfare horns and airbag clock spring contact (A45) the steering wheel must not be turned with the steering gear removed otherwise the clock spring contact will be destroyed.		  
14 Detach steering shaft (80a) from steering coupling (25)    
15.1 Detach ground strap from longitudinal frame member Model 170  
16.1 Unscrew hexagon bolts of engine mounts Model 170 with engine 112 AR22.10-P-1100SV
    Model 170 with engine 111 AR22.10-P-1260HA
17.1 Raise engine approx. 40 mm and push towards the right Model 170  
18 Unscrew stretch bolts (23a) and carefully guide steering gear (23) out of steering shaft (80a) NOTES Do not use force otherwise the lower steering shaft will be damaged in vehicles with rigid steering column.  
IMPORTANT Assessing condition of steering gear when repairing accident vehicles   AH46.20-P-9409-01A 
INSTALLING Installing     
19 Turn steering gear to center position Model 129 AR46.20-P-0500-01A 
    Models 170, 202, 208 AR46.20-P-0500-01B
20 Insert steering gear, guiding the steering coupling (25) into the steering shaft (80a) NOTES Do not use force otherwise the lower steering shaft (corrugated tube) will be damaged. Ensure that the parts are joined properly.  
21 Attach steering gear to longitudinal frame member IMPORTANTInstallation  : Replace stretch bolts (23a).
IMPORTANT On vehicles with adjustable steering column, push lower steering shaft into steering coupling.		  
    TORQUE SPECIFICATION *BA46.20-P-1001-01A 
22.1 Lower engine and install engine mounts Model 170 with engine 112 AR22.10-P-1100SV
    TORQUE SPECIFICATION *BA22.10-P-1001-01L 
    Model 170 with engine 111 AR22.10-P-1260HA
    TORQUE SPECIFICATION *BA22.10-P-1001-01A 
23.1 Attach ground strap to longitudinal frame member Model 170  
24 Screw in bolt (25a) on steering coupling IMPORTANTInstallation  : Replace bolt.  
    TORQUE SPECIFICATION *BA46.10-P-1001-01B 
25 Attach high-pressure expansion hose (30i) IMPORTANTInstallation  : Model 208 with engines 112, 113: Attach box wrench bit with extension to high-pressure expansion hose (30i) from the front.  
    TORQUE SPECIFICATION *BA46.20-P-1003-01A 
    SPECIAL TOOL Fig 6
26 Attach return line (30f) TORQUE SPECIFICATION *BA46.20-P-1002-01A 
27.1 Install exhaust shielding plate (23k) Model 129.066/067/076  
28.1 Attach exhaust shielding plates in area of steering Model 208 with engines 112, 113 AR46.20-P-0500-07A
29.1 Install exhaust connecting pipe Model 129.066/067  
30 Install left front exhaust pipe Model 208 except engines 112, 113: ↓
Install exhaust system complete		  
    Engines 112, 113 AR49.10-P-7000AU
31 Attach drag link (11) to steering gear pitman arm Model 129 AR46.40-P-0100A 
    Models 170, 202, 208 AR46.40-P-0100C
32.1 Attach tie rod (10) to steering gear pitman arm Model 129 AR46.40-P-0200A 
33.1 Attach left front cross strut Model 208.4 *BA61.10-P-1004-01C 
34 Fill and bleed power steering pump Models 129, 202 except engines 112, 113
Models 170, 208 with engine 111		 AR46.30-P-0010A 
    Models 129, 202, 208 with engines 112, 113 AR46.30-P-0010B 
INSPECT Checking     
35 Check steering gear for function and leaks INSPECT Carry out visual inspection.  
36 Check ball point position   AR40.20-P-0320A
37 Check toe on front axle and adjust if necessary See: ↓  
    Performing chassis alignment check AR40.20-P-0200A
38.1 Install lower engine compartment paneling Vehicles with gasoline engines  
    Model 170 AR61.20-P-1105A
    Models 129, 202, 208 AR61.20-P-1105AB
38.2 Install bottom sections of noise encapsulation Vehicles with diesel engines  
    Model 202 AR94.30-P-5300A
39 Close engine hood IMPORTANT Model 129: Unlock hood in vertical position and close.  
    Model 170 AR88.40-P-1000G
    Model 202 AR88.40-P-1000E
    Model 208 AR88.40-P-1000F
TORQUE SPECIFICATION ENGINE MOUNTS, ENGINE SUPPORTS

Number Designation Engine 112.947/ 960 in model 170
BA22.10-P-1001-01L Bolt, front engine mount to front axle carrier Nm 35
TORQUE SPECIFICATION ENGINE SUSPENSION, ENGINE MOUNTS, ENGINE SUPPORTS

Number Designation Engine 111 in models 170, 202, 208
BA22.10-P-1001-01A Bolt, engine mount to frame crossmember M 8 Nm 25
M 10 Nm -
TORQUE SPECIFICATION STEERING SHAFT

Number Designation Model 129 Model 170
BA46.10-P-1001-01B Bolt, steering coupling Nm 30 30
TORQUE SPECIFICATION STEERING SHAFT

Number Designation Model 202 Model 208
BA46.10-P-1001-01B Bolt, steering coupling Nm 30 30
TORQUE SPECIFICATION STEERING GEAR

Number Designation Model 129 Model 170 Model 202 Model 208
BA46.20-P-1001-01A Stretch bolt, steering gear to longitudinal frame member Nm 70 70 70 70
BA46.20-P-1002-01A Return line to steering gear Nm 40 40 40 40
BA46.20-P-1003-01A High-pressure expansion hose to steering gear Nm 30 30 30 30
TORQUE SPECIFICATION FRAME FLOOR

Number Designation Model 208.435/445/ 447/465/470
BA61.10-P-1004-01C Self-locking bolt, front cross strut to frame floor/front axle carrier Nm 60
Fig 2: Identifying Hand Pump (210 589 00 71 00)
G04685950
Fig 3: Identifying Puller (202 589 01 33 00)
G04685951
Fig 4: Identifying Thrust Piece (129 589 10 63 00)
G04685952
Fig 5: Identifying Puller (202 589 02 33 00)
G04685953
Fig 6: Identifying Box Wrench Bit (000 589 69 03 00)
G04685954
Fig 7: Identifying Set Of Plugs (129 589 00 91 00)
G04685955
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