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Home >> Mercedes Benz >> 2000 >> S430 >> Repair and Diagnosis >> Steering >> Power Steering >> Steering -- Testing & Repair -- 215 & 220 Chassis >> Testing & Repair >> Remove/install power steering pump - AR46.30-P-0500 >> Remove/install power steering pump - AR46.30-P-0500N

Remove/install power steering pump - AR46.30-P-0500N

MODEL 215.374 /378, 220.074 /174 /178 with CODE (487) Active Body Control (ABC) 

Fig 1: Identifying Power Steering Pump Remove/Install Components - Model 215.374
G04853068
Fig 2: Identifying Power Steering Pump/ABC Reservoir Bracket And ABC Reservoir
G04853069
MODIFICATION NOTES

9.2.06 Banjo bolt, high pressure expansion hose (Active Body Control) to power steering pump Models 215.374/375/378/379 *BA46.30-P-1012-01C 
  Banjo bolt, high pressure expansion hose (Active Body Control) to power steering pump Models 220.074/174 *BA46.30-P-1012-01C 
  Banjo bolt, high pressure expansion hose (Active Body Control) to power steering pump Models 220.178 /878 with code 487a *BA46.30-P-1012-01C 
REMOVINGINSTALLING Remove/install     
IMPORTANT Notes on active body control suspension   AH32.50-P-0001-01N
1 Detach left air intake hose    
2 Remove fan shroud   AR20.40-P-6800AB
3 Undo bolts from belt pulley (41). SPECIAL TOOL Counterholder Fig 4
    TORQUE SPECIFICATION *BA46.30-P-1007-01C 
4.1 Remove poly-V-belt for supercharger IMPORTANT Only model 215.374, 220.074/174. AR13.21-P-1202RVK
5.1 Remove poly-V belt (130) IMPORTANT Only model 215.378, 220.178. AR13.22-P-1202BA
    IMPORTANT Only model 215.374, 220.074/ 174. AR13.22-P-1202R
6 Drain coolant   AR20.00-P-1142HA
7 Remove left coolant hose.    
8 Unplug connector from ABC suction restrictor valve (Y86/1)    
9 Unbolt belt pulley (41)    
10 Pinch off feed line of ABC reservoir (58) from ABC reservoir and detach SPECIAL TOOL Clamping device Figure
11 Clamp off and detach feed line (30f) from power steering pump supply reservoir. SPECIAL TOOL Clamping device Figure
12 Unclip suction restrictor valve line from power steering pump/ABC reservoir bracket (28a)    
13 Detach lines of power steering pump reservoir (30a) and ABC reservoir (29a).    
14 Detach and remove power steering pump/ABC reservoir bracket (28a) IMPORTANT Fastened with two nuts and one bolt.  
15 Unscrew high-pressure expansion hose (30i) Seal off line connection with blind plug.
IMPORTANTInstallation:  inspect O-ring (30h) and replace if necessary.
 
    TORQUE SPECIFICATION *BA46.30-P-1003-01C 
16 Unscrew ABC high-pressure hose (59) IMPORTANTInstallation:  check O-rings on ABC high-pressure hose (59) and replace if necessary. Fit the bracket first.  
    TORQUE SPECIFICATION Banjo bolt (59a) *BA46.30-P-1012-01C 
17 Disconnect ground cable at rear to power steering pump    
18 Unscrew bracket from ABC high-pressure hose (59)    
19 Detach and remove power steering pump (30) Tie lines back to the side or disconnect if necessary.
IMPORTANTInstallation:  Long bolts at the top, short bolts at the bottom.
NOTES Replace self-locking bolts, if necessary; pay attention to the following instructions:
  • Never retap the thread.
  • Use original bolts only.
  • Do not hold bolts at an angle when screwing in.
  • Do not use an impact wrench.
 
    TORQUE SPECIFICATION Self-tapping bolts of power steering pump to timing case *BA46.30-P-1010-01C 
20 Install in the reverse order    
21 Fill and bleed active body control (ABC)   AR32.50-P-0021N
22 Fill power steering pump and bleed   AR46.30-P-0010N 
TORQUE SPECIFICATION POWER STEERING PUMP

Number Designation Model 215.374/ 375/378/ 379 Model 220.178 /878 with code 487a
BA46.30-P-1003-01C High-pressure expansion hose to power steering pump M14 x1.5 Nm - -
M16x1.5 Nm 40 40
BA46.30-P-1007-01C Bolt, belt pulley to power steering pump Nm 30 30
BA46.30-P-1010-01C Self-tapping bolt, power steering pump to timing case Thread not pretapped Nm 35 35
Thread pre-tapped Nm 20 20
BA46.30-P-1012-01C Banjo bolt, high pressure expansion hose (Active Body Control) to power steering pump Nm 45 45
TORQUE SPECIFICATION POWER STEERING PUMP

Number Designation Model 220.074/174
BA46.30-P-1003-01C High-pressure expansion hose to power steering pump M14x1.5 Nm -
M16x1.5 Nm 40
BA46.30-P-1007-01C Bolt, belt pulley to power steering pump Nm 30
BA46.30-P-1010-01C Self-tapping bolt, power steering pump to timing case Thread not pretapped Nm 35
Thread pre-tapped Nm 20
BA46.30-P-1012-01C Banjo bolt, high pressure expansion hose (Active Body Control) to power steering pump Nm 45
Fig 3: Clamping Devic (00 589 54 37 00)
G04853070
Fig 4: Counterholder (603 589 00 40 00)
G04853071