Remove/install low-pressure hose upstream of power steering cooler

AR46.25-S-3017P

Remove/install low-pressure hose upstream of power steering cooler

24.10.2019

Model

470, 471

Modification notes

23.10.2019

Method extended

Operation step 1

23.10.2019

Instructions for action combined, information added.

Step 4

Shown on model 470 with engine 699

1

Low-pressure hose

2

Bracket

3

Hydraulic line

Shown on model 470 with engine 642

1

Low-pressure hose

3

Hydraulic line

4

Power steering radiator

 Warning

Risk of injury. Skin or eye injuries may result when handling hot or glowing objects.

Wear protective gloves, protective clothing and safety glasses, if necessary.

AS00.00-Z-0002-01A

 Warning

Risk of injury to skin or eyes from hydraulic fluid spraying out under pressure.Risk of poisoning from swallowing hydraulic fluid.

Depressurize hydraulic system completely before starting any work on it. Wear protective clothing and safety glasses.

AS00.00-Z-0013-01A

 Caution

Risk of injury caused by scraping or cutting body parts on sharp vehicle parts

Always wear protective gloves when working on or near sharp and non-deburred vehicle parts.
Deburr repair panels.

AS00.00-Z-0017-01A

Topical note

Notes on avoiding damage through contamination and foreign objects

AH00.00-P-5000-01A

 

Remove/install

1

Remove cap from expansion reservoir of power steering system.

2

Extract hydraulic oil from power steering expansion reservoir.

 Hand pump

*210589007100

3

Remove right fender liner.

AR88.10-S-1301P

 Installation: Only install the right fender liner after filling and bleeding the power steering system.

4

Remove low-pressure hose (1) from power steering cooler.

AR46.25-S-3020P

 Model 470 with engine 200
Model 470, 471 with engine 699
Do not remove hood catch.

 Model 470, 471 with engine 642
Do not remove front bumper and left charge air hose.

5

Unhook low-pressure hose (1) from holder (2).

Model 470 with engine 200
Model 470, 471 with engine 699

6

Remove low-pressure hose (1).

 To do so, detach low-pressure hose (1) from hydraulic line (3) and remove.

 Collect escaping hydraulic fluid with an absorbent rag. Plug openings.

 Record plug

*129589009100

 Hose clamp pliers

*454589003700

7

Install in the reverse order.

 Warning

Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.

Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.

AS00.00-Z-0005-01A

8

Fill hydraulic power steering and bleed.

AR46.25-S-3300-02P

 Power steering

*BF46.20-N-1001-01P

 Filling capacities for steering gear

Number

Designation

Model 470, 471

BF46.20-N-1001-01P

Power steering

Filling capacity for MB power steering fluid

Liter

1

Sheet

BB00.40-P-0236-03A