ar0751p1401fb

Removing/installing the throttle valve actuator

Type ar · topic 07.51 · version 0100 · 2006-07-26

Applies to: ENGINE 122.9 in MODEL 454.0

Where it sits

Function group 1 Engine › 07 Mixture formation › 07.51 HFM-SFI fuel injection/ignition system — Series 454 (models 0**)

EinPAS 15 Engine › 15.45 Engine management › 15.45.31 Actuator motor/actuator/mixture controller — Series 454 (models 0**)

Also applies to engines/gearboxes: 122 9**

AR07.51-P-1401FB

Removing/installing the throttle valve actuator

12.4.05

ENGINE 122.9 in MODEL 454.0

Removing/installing the throttle valve actuator

P07.51-2088-09

1 Charge air distribution pipe

2 Purge line bracket

3 Charge air hose

4 Hose clamps

5 Nut

11 Hose clamp

12 Coolant hose

M16/6 Throttle valve actuator

6 Purge line

7 Connector

8 Clip

9 Bracket

10 Bolts

Removing/installing

Danger!

Risk of injury to skin and eyes caused by scalding from contact with hot coolant spray. Risk of poisoning from swallowing coolant.

Do not open cooling system unless coolant temperature is below 90°C. Open cap slowly and release the pressure. Do not pour coolant into beverage containers.

Wear protective gloves, protective clothing and safety glasses.

AS20.00-Z-0001-01A

Notes on coolant

AH20.00-N-2080-01A

1

Remove paneling on center piece in front of the windshield

AR88.00-P-2792FF

2

Loosen hose clamps (4) and remove charge air hose (3)

3

Unclip clip (8) on throttle valve actuator (M16/6) bracket (9)

4

Unplug plug (7) at throttle valve actuator (M16/6)

5

Unscrew nut (5) for purge line (2) bracket and remove purge line (2) bracket from charge air distribution pipe (1)

6

Detach purge line (6) at activated charcoal filter shutoff valve

7

Loosen hose clamps (11) and detach coolant hoses (12) at throttle valve actuator (M16/6)

Collect coolant which flows out in a suitable vessel.

Seal off openings on coolant hoses (12) and openings on throttle valve actuator (M16/6) using suitable plugs.

8

Remove bolts (10) on throttle valve actuator (M16/6) and bracket (9)

*BA09.41-P-1005-01L

9

Remove throttle valve actuator (M16/6) from engine compartment

Installation: Clean sealing surfaces on throttle valve actuator (M16/6) and charge air distribution pipe (1).

Replace gasket on throttle valve actuator (M16/6).

10

Install in reverse order

11

Read out fault memory

Connect up STAR DIAGNOSIS and read out fault memory

AD00.00-P-2000-04FF

STAR DIAGNOSIS diagnosis system

*WH58.30-Z-1048-13A

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 engine

Secure vehicle to prevent it from moving.
Wear closed and snug-fitting work clothes.
Do not grasp hot or rotating parts.

AS00.00-Z-0005-01A

12

Conduct engine test run and check cooling system in the area of the throttle valve actuator (M16/6) for leaks

13

Check coolant level, adjust to correct level if necessary.

Engine cooling system - check fluid level, adjust to correct level. Inspect anticorrosion/antifreeze protection, adjust to correct concentration

AP20.00-P-2010FF

Charge air pipe/charge air cooling

Number

Designation

Engine
122.9

BA09.41-P-1005-01L

Bolt for throttle valve actuator on intake manifold

Nm

13

Commercially available tools

Number

Designation

WH58.30-Z-1048-13A

STAR DIAGNOSIS diagnosis system, Compact Passenger Car

6511 1801 00

Referenced documents