ar0703p1450fb

Remove fuel distributor with injection valves

Type ar · topic 07.03 · version 0100 · 2006-07-26

Applies to: ENGINE 122.9 in MODEL 454.0

Where it sits

Function group 1 Engine › 07 Mixture formation › 07.03 Injection jets, Injection valves, Lines — Series 454 (models 0**)

EinPAS 15 Engine › 15.45 Engine management › 15.45.42 Fuel distributor/rail/nozzle/injector — Series 454 (models 0**)

Also applies to engines/gearboxes: 122 9**

AR07.03-P-1450FB

Remove fuel distributor with injection valves

12.4.05

ENGINE 122.9 in MODEL 454.0

Remove fuel distributor with injection valves

P07.03-2181-09

1 Vacuum hose

2 Fuel distributor

3 Connector

7 Fuel return line

8 Clamp

4 Bolt

5 Fuel pressure regulator

6 Fuel pipe

Remove fuel distributor with injection valves

P07.03-2183-04

2 Fuel distributor

5 Fuel pressure regulator

9 Fuel pipe

Y62/1 Cylinder 1 fuel injection valve

Y62/2 Cylinder 2 fuel injection valve

Y62/3 Cylinder 3 fuel injection valve

Y62/4 Cylinder 4 fuel injection valve

Removing/installing

Danger!

Risk of explosion caused by fuel igniting, risk of poisoning caused by inhaling and swallowing fuel as well as 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

1

Detach vacuum hose (1) on fuel pressure regulator (5)

2

Expand clamp (8) and disconnect fuel line (6) from fuel distributor (2)

Catch fuel coming out in suitable vessel

Seal openings on the fuel line (6) and fuel distributor (2) with suitable plugs.

3

Loosen hose clamp and detach fuel return line (7) on fuel distributor (2)

Catch fuel coming out in suitable vessel

Seal openings on the fuel return line (7) and fuel distributor (2) with suitable plugs.

4

Unlock plug (3) on the fuel injection valves (Y62/1, Y62/2, Y62/3, Y62/4) and detach

Pay attention to the gaskets in the plugs (3).

5

Remove bolts (4) on fuel distributor (2)

*BA07.52-P-1001-01F

6

Pull fuel distributor (2) with spacers out of the cylinder head

Installation: Check seals for fuel injection valves (Y62/1, Y62/2, Y62/3, Y62/4) in cylinder head; replace if necessary.

7.1

Remove fuel pressure regulator (5) with fuel line (9) from fuel distributor (2)

When replacing the fuel distributor (2).

Installation: Replace seal on fuel pressure regulator (5).

8.1

Remove fuel injection valves (Y62/1, Y62/2, Y62/3, Y62/4) from fuel distributor (2)

When replacing the fuel distributor (2).

See:

Removing and installing injection valves

AR07.03-P-6522FB

9

Install in reverse order

10

Read fault memory, erase if necessary

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

11

Conduct engine test run and check leaktightness in the area of the fuel distributor (2)

Fuel rail

Number

Designation

Engine 122.9

BA07.52-P-1001-01F

Bolt for fuel rail on cylinder head

TORX

Nm

-

Inner hexagon

Nm

12

Commercially available tools

Number

Designation

WH58.30-Z-1048-13A

STAR DIAGNOSIS diagnosis system, Compact Passenger Car

6511 1801 00

Referenced documents