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Glow plug (398), Z19DT

Glow plug (398), Z19DT

Warning

The work involved in removing the fuel pipe requires working with the vehicle's fuel system. The following points should therefore be heeded in conjunction with these measures:

• Have a class BE fire extinguisher on hand! Be aware of the risk of sparks, i.e. in connection with electric circuits, short-circuiting, etc.

• Absolutely No Smoking!

• Ensure good ventilation! If there is approved ventilation for evacuating fuel fumes then this must be used.

• Wear protective gloves! Prolonged exposure of the hands to fuel can cause irritation to the skin.

• Wear protective goggles.


Important

Be very thorough in terms of cleanliness when working in the fuel system. Malfunctions can also occur due to very small dirt particles. Prevent dirt from entering the fuel system by cleaning the hoses and plugging the pipes and lines upon removal using 93 161 370 Plug set. Store the components so that contaminants cannot enter.


Important

Always use wing covers when working in the engine bay.


To remove

Warning

Diesel under high pressure! So wait for at least one minute after switching off the engine before starting work in the fuel system. Diesel fumes are explosive and can cause severe burn injuries.



1. Remove the upper engine cover and insulation.


2. Remove the injector connector and detach the wiring harness from the intake manifold. Lift up the wiring harness slightly.


3. Remove the fuel pipes from the injectors and the fuel rail.

Note

Use an open spanner as a counterhold when undoing the cap nut.



4. Remove the glow plug connector.


5. Remove the glow plugs. Use a 10 mm deep socket.


To fit


1. Fit the glow plugs. Use a 10 mm deep socket.

Tightening torque 10 Nm (7 lbf ft)


2. Fit the glow plug connector.

3. Check that the fuel pipe sealing surfaces are not damaged and are clean. Fit the pipes without strain and mount the nuts by hand.

Tightening torque 25 Nm (18 lbf ft)


4. Fit the wiring harness and plug in the injector connectors.


5. Connect an exhaust hose and start the engine. Check the fuel system for leaks.

6. Fit the insulation and the upper engine cover.