Remove/install air pump

AR14.30-P-7251RX

Remove/install air pump

9.1.06

 

Remove/install

1

Turn key in ignition switch to position "0".

 Vehicles with Keyless Go code 889: Press Keyless GO Start and stop button repeatedly until the ignition is switched off.

Remove the Keyless Go transmitter card or transmitter key from the vehicle and store beyond the reach of the transmitter
(min. 2 m).

2

Remove front engine cover (1)

See 

Remove/install air filter housing

AR09.10-P-1150RX

3

Detach bracket (2) from front cover of cylinder head and remove bracket (3), for this step, unscrew the bolts (4)



*BA14.30-P-1001-01D

4

Remove the air intake hose (5) of the electric air pump (M33)

5

Disconnect electrical connector (6) on electric air pump (M33)

6

Detach bracket (3) from the cylinder head and from timing case cover by removing bolts (7)



*BA14.30-P-1002-01D

7

Detach air hoses (8, 9) from electric air pump (M33)

8

Remove electrical air pump (M33) with bracket (3)

9.1

Detach the electric air pump (M33) from the bracket (3)

When replacing the electric air pump (M33)

 Installation: Check the rubber bushings of the bracket (3) for damage and wear; replace if necessary.



*BA14.30-P-1003-01D

10

Install in the reverse order

11

Read out fault memory

STAR DIAGNOSIS diagnosis system

*WH58.30-Z-1048-13A



Connect STAR DIAGNOSIS and read out fault memory

AD00.00-P-2000-04A

Number

Designation

Engines
272, 273

BA14.30-P-1001-01D

Bolt connecting bracket of front engine cover to bracket of electric air pump or cylinder head

Nm

14

BA14.30-P-1002-01D

Bolt connecting bracket of electric air pump to cylinder head or timing case cover

Nm

14

BA14.30-P-1003-01D

Bolt connecting electric air pump to bracket

Nm

8

Number

Designation

WH58.30-Z-1048-13A

STAR DIAGNOSIS diagnosis system, Compact Passenger Car

6511 1801 00