Remove/install electronic stability program (ESP) control unit

AR42.45-P-0820RR

Remove/install electronic stability program (ESP) control unit

4.12.07

19.11.07

Disconnect ground lead from battery newly included

Step 2

 

Remove/install



Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A

1

Remove luggage compartment pan

2

Disconnect battery ground line

AR54.10-P-0003RR

3

Unlock retainer of electrical connector (1) and disconnect electrical connector (1) on ESP control unit (N47-5)

4

Push down brake pedal several times

5

Detach vacuum line (2) from brake booster

6

Remove clip (3)

7

Clean hydraulic unit (9) and ESP control unit (N47-5)

Clean the hydraulic unit (9) and ESP control unit (N47-5) carefully in order to avoid damage due to contamination when separating the components.

8

Remove underfloor panels

AR61.30-P-1001RR

9

Remove hose (5) from bracket (6)

10

Unscrew nuts (7)

 Installation: Install new nuts. (7)



*BA42.45-P-1007-01F

11

Unscrew bolts (8) on ESP control unit (N47-5)

 Installation: Observe the tightening procedure.

AR42.45-P-0820-10RR



*BA42.45-P-1003-01F



*452589039900

12

Raise hydraulic unit (9) slightly and carefully remove ESP control unit (N47-5)

 It is essential to pay attention to cleanliness. No dirt may enter the ESP control unit (9) and the hydraulic unit (N47-5), otherwise its function may be impaired.

 Installation: Clean sealing surfaces on the hydraulic unit (9) and on the ESP control unit (N47-5).
Check gasket, replace if necessary.

Do not tilt ESP control unit (N47-5) when positioning.

13

Install in the reverse order

14

Perform ESP control unit (N47-5) diagnosis



Connect STAR DIAGNOSIS and read out fault memory

AD00.00-P-2000-04RR

Number

Designation

Model
452.3/4

BA42.45-P-1003-01F

Bolt, ESP [Electronic Stability Program] control unit to ESP module

Nm

3

BA42.45-P-1007-01F

Nut, intermediate bracket to front axle carrier

Nm

20