Remove/install injectors

AR07.16-P-1000TJ

Remove/install injectors

25.4.07

20.2.06

Bolt, tensioning claw to injector

*BA07.16-P-1006-01C

 

Remove/install

 Danger!

Risk of explosion caused by fuel igniting, risk of poisoning caused by inhaling and swallowing fuel and risk of injury to eyes and skin caused by contact with fuel

No fire, sparks, open flames or smoking. Only pour fuels into suitable and appropriately marked containers. Wear protective clothing when handling fuel.

AS47.00-Z-0001-01A

 Danger!

Risk of explosion from fuel igniting. Risk of injury to skin and eyes caused by fuel spraying out at high pressure.

Keep all ignition sources out of hazard area. Do not carry out any work on the system when it is pressurized.

AS07.16-Z-0001-01A

1

Switch off ignition

 Vehicles with code 889 Keyless-Go: Press Start/Stop button repeatedly until ignition is switched off.

2

Remove air filter housing

AR09.10-P-1150TJ

3

Remove injection line (1)

AR07.16-P-1080TJ

4

Remove leak oil lines (2) on fuel injectors (Y76)

 To unlock retaining fittings (3) pull them upwards.

5

Disconnect electrical couplings (4) on fuel injectors (Y76)

6

Remove fuel injectors (Y76)

 Mark fuel injectors (Y76) to position fuel injectors (Y76) at original points when installing

 Remove bolts (5), remove clamping claw (6) and fuel injectors (Y76).

 When installing new injectors (Y76), the control units must be adapted using STAR DIAGNOSIS to store the injector quantity compensation coding in the CDI control unit (N3/9). Present on the vehicle

Make adhesive label irrecognizable according to injector quantity compensation coding.

 Remove fuel injectors (Y76), which cannot be removed by hand using a threaded adapter: 

Remove injectors with threaded adapter

AR07.16-P-1000-01TJ

 Thread adapter

*642589013300

 Impact extractor

*602589003300

 If bolt (5) is sheared off or in case of a damaged thread in cylinder head:



Thread repair for clamping claw mount

AR07.16-P-1000-02TJ



*BA07.16-P-1006-01C

HELICOIL®plus repair box

 Installation: Replace bolts (5) and sealing rings (7).



Clean

7

Clean fuel injectors (Y76) and fuel injector shafts in cylinder head

 Round brush

*611589006800

 Cylinder brush

*668589006800



Notes on injectors

AH07.16-P-1000-01A

8

Install in the reverse order

 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 engine as it is running

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

AS00.00-Z-0005-01A

9

Check fuel system for leaks with engine running

Number

Designation

Engine 629

BA07.16-P-1006-01C

Bolt, tensioning claw to injector

Stage 1

Nm

7

Stage 2

°

90

Stage 3

°

90