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Home >> Mercedes Benz >> 2002 >> C240 Automatic >> Repair and Diagnosis >> Steering >> Power Steering >> Steering -- Testing & Repair -- 203 Chassis >> Testing & Repair >> Fill power steering pump and bleed - AR46.30-P-0010P

Fill power steering pump and bleed - AR46.30-P-0010P

MODEL 163.113 /128 /136, 203.0 /7, 209, 211.020 /022 /061 /065 /070 /076 /080 /082 /083 /084 /089 /220 /222 /261 /265 /270 /276 /280 /282 /283 /284 /289 /620 

MODEL 203.2 except CODE (480) Rear axle level control system 

Fig 1: Identifying Power Steering Reservoir, Expansion Reservoir Cover And Dipstick - Model 203.2 Except Code (480) And 203.0 /7
G04737187

Shown on engine 111 in model 203 

Shown on engine 112 in model 203 

Shown on engine 611 in model 203 

MODIFICATION NOTES

28.7.04 Raise vehicle until wheels are clear of the ground using lifting platform, added Step 1  
28.7.04 Turn steering wheel slowly from steering stop to steering stop until no more bubbles are ascertained, added Step 5  
REMOVINGINSTALLING Remove/install    
1 Hoist vehicle with lifting platform until wheels are free Model 211 AR00.60-P-1000T
    Model 163 AR00.60-P-1000GH
    Model 203, 209 AR00.60-P-1000P
2 Remove left air intake hose Engine 112, 113  
  Charging     
3 Fill expansion reservoir (30a) with MB-steering gear oil NOTESDo not start the engine! 
If the engine is started there is the danger that air gets into the hydraulic steering system which cannot be removed without taking further action.
IMPORTANT Fill the expansion reservoir (30a) with MB steering gear oil up to approx. 10 mm below the top edge of the reservoir.
IMPORTANT Add MB steering gear oil continuously, until the fluid level remains constant.
 
    FLUID SPECIFICATION *BF46.20-P-1001-01A 
  Bleeding     
4 Turn steering wheel from steering stop to steering stop NOTESDo not start the engine! 
If the engine is started there is the danger that air gets into the hydraulic steering system which cannot be removed without taking further action.
IMPORTANT Turn the steering wheel slowly from steering stop to steering stop until no more bubbles are found to form in the expansion reservoir (30a).
IMPORTANT Repeat turning the steering from stop to stop several times (up to 30 times). During this process MB steering gear oil must be added to the expansion reservoir by an assistant.
 
DANGER Risk of accident  caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near the running engine Secure vehicle to prevent it from moving by itself.
Wear closed and snug-fitting work clothes.
Do not grasp hot or rotating parts.
AS00.00-Z-0005-01A
5 Start engine without moving the steering IMPORTANT Allow the engine to run for approx. 1 minute at idle speed.
IMPORTANT During this process an assistant must observe the steering oil level in the expansion reservoir (30a) and MB-steering gear oil must be refilled if necessary.
 
6 Turn steering wheel from steering stop to steering stop IMPORTANT When the engine is running, turn the steering wheel slowly several times from steering stop to steering stop, in the meantime refilling the expansion reservoir (30a) with MB steering gear oil.
IMPORTANT Repeat the process until the steering gear oil level remains constant in the expansion reservoir (30a) and no more bubbles are found to form.
 
INSPECT Checking     
7 Check oil level in the expansion reservoir (30a) and fill up to the maximum fill level IMPORTANT The oil level in the expansion reservoir (30a) must always be filled up to the maximum.  
REFER TO MAINTENANCE Power steering - checking and correcting oil level Model 211 with diesel engine, 163, 203, 209 AP46.00-P-4611P
REFER TO MAINTENANCE   Model 211 with gasoline engine AP46.00-P-4611BB
8 Check steering system for leaks IMPORTANT In the event of leakage, find and eliminate cause.  
9 Install in the reverse order    
FLUID SPECIFICATION STEERING GEAR

Number Designation Model 163 Model 203.0/2/7 except 203.2 with code 480 Model 211
BF46.20-P-1001-01A Power steering Filling capacity Liters ≈1.2 ≈ 1.0 ≈1.1
MB steering gear oil Sheet BB00.40-P-0236-03A BB00.40-P-0345-00A BB00.40-P-0345-00A
FLUID SPECIFICATION STEERING GEAR

Number Designation Model 209
BF46.20-P-1001-01A Power steering Filling capacity Liters ≈ 1.0
MB steering gear oil Sheet BB00.40-P-0345-00A