AR07.03-P-1451AA Remove/Install Fuel Rail With Injectors

AR07.03-P-1451AA Remove/Install Fuel Rail With Injectors (ME-SFI)

Shown On Engine 112:

Remove/Install

DANGER:
- Risk of explosion from fuel igniting, risk of poisoning from inhaling and swallowing fuel as well as risk of injury to eyes and skin from contact with fuel.
- No fire, sparks, naked flames or smoking.
- Pour fuels only into suitable and appropriately marked containers.
- Wear protective clothing when handling fuel.

1 Remove cover on front side of engine
2 Remove cylinder head cover trim panel or air cleaner

NOTE: Remove cylinder head cover trim or air filter by lifting upwards from the cylinder head covers.

3 Take off resonance housing (2/1)
- On vehicles with air cleaner mounted on vehicle side.

4.1 Remove plastic cover
- Remove screw (1/4).

4.2 Loosen the engine wiring harness from the fuel distributor
5 Release fuel pressure through service valve (1/1)

NOTE: Collect fuel.

- Pressure hose: See Special Tools below.

6 Detach feed line (17/2)

NOTE: Collect fuel.

- Fuel feed line to fuel distributor, Engine 112/113 = 38 Nm
Engine 112.960/961 AMG = 35 Nm

7 Separate electrical connectors of fuel injectors (Y62)
8.1 Remove top charge air distributor
- On supercharged engines.

9.1 Dismount bolts (17/1) and lift fuel distributor (17) together with fuel injectors (Y62) from compressor

NOTE: Before installing fuel distributor (17), oil O-rings and check for damage.

- Bolt of fuel rail to bottom part of charge air distributor (Except Engine 112) = 9 Nm

9.2 Dismount bolts (17/1) and lift fuel distributor (17) together with fuel injectors (Y62) from intake manifold

NOTE: Before installing fuel distributor (17), oil O-rings and check for damage.

- Bolt of fuel rail to intake manifold, Engine 112 = 9 Nm
Engine 113.990/991 = 10 Nm

Inspect
10 Check fuel injection valves (Y62) with STAR DIAGNOSIS
11 Install in the reverse order

Special Tools

Pressure Hose, P/N # 119 589 04 63 00: