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Home >> Mercedes Benz >> 1994 >> C220 >> Repair and Diagnosis >> External Pages >> Different car >> Section 72 (Rear Axle - 140 Chassis) >> Testing & Repair >> Bleeding ASD hydraulic system - AR35.41-P-0519A

Bleeding ASD hydraulic system - AR35.41-P-0519A

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MODEL 140.1 /02 /03 up to 31.5.94 with CODE (211a) Rear axle with automatic locking differential (ASD) 

Fig 1: Identifying Bleeding ASD Hydraulic System
G05437504Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
REMOVINGINSTALLING Removing, installing    
1 Detach end cover on module box (F23)    
2 Remove ASD control unit (N30/2) SPECIAL TOOL Fig 5
3 Connect contacting module 4 on module box SPECIAL TOOL Fig 3
4 Connect contacting module 4 with socket box SPECIAL TOOL Fig 2
5 Bridge sockets 2 and 27 with cable SPECIAL TOOL I Cable from electrical connector set Fig 4
    IMPORTANT When the ignition is switched on, the solenoid valve is actuated by bridging and thus opened.  
DANGER Risk of accident  due to vehicle starting off automatically when engine is running. Risk of injury  due to being trapped and burns when intervening during the starting operation or when the engine is running. Secure vehicle to prevent it from starting off automatically.
Wear close-fitting, tight clothing.
Do not touch hot or rotating parts.
AS00.00-Z-0005-01A
6 Start engine and allow to idle    
7 Remove rubber cap (70f) on the bleed screw    
8 Open bleed screw (70e) on right ring cylinder NOTES Close bleed screw, when oil escapes without bubbles.  
INSPECT Checking     
9 Check hydraulic fluid level in reservoir (80) Correct, if necessary, for type of oil ↓  
    Hydraulic fluids (Specification 343.0) BB00.40-P-0343-00A
10 Install in reverse sequence    
REFER TO COMPONENT MODIFICATIONS ASD hydraulic unit modified 140.02/03/1 as of 04/91 BT35.41-P-0001-01A 
REFER TO COMPONENT MODIFICATIONS ASD hydraulic unit modified 140.02/03/1 as of 06/92 BT35.41-P-0001-01B 
Fig 2: Identifying Socket Box (129 589 00 21 00)
G05437505Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Fig 3: Identifying Contacting Module 4 (140 589 04 63 00)
G05437506Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Fig 4: Identifying Electrical Connector Set (201 589 00 99 00)
G05437507Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Fig 5: Identifying Assembly Lever (140 589 01 33 00)
G05437508Courtesy of MERCEDES-BENZ OF NORTH AMERICA.