Contents: Dismantling ↓ Installation ↓
Fig. 2.229. Fuel injector components: 1 – radial compensator (replace); 2 – Replace the combustion chamber sealing ring (teflon seal), when installing the ring, do not treat it with any lubricants; 3 – groove on the nozzle; 4 – support washer (replace); 5 – O-ring round section (replace, when installing, lightly moisten with clean motor oil); 6 – thrust ring
Dismantling
Remove the suction pipe.
Remove the fuel rail with the intake manifold flap.
Cover the intake ports with a clean cloth.
Fig. 2.230. Releasing the locking tongues
Use a screwdriver to bend the locking tabs of the radial compensator to the sides and remove the thrust ring from the injector (fig. 2.230).
Note: The locking tabs of the radial compensator are damaged (broken) in this case. Therefore, the compensator should be replaced when installing the injector.
Fig. 2.231. Installing the mandrel and puller
Screw the mandrel onto the puller. Then insert the puller into the groove on the nozzle and carefully knock out the nozzle (fig. 2.231).
Installation
Fig. 2.232. Cleaning the injector holes
Thoroughly clean the high pressure injector holes in the cylinder head with a nylon brush (fig. 2.232).
Note: Do not lubricate the Teflon injector seal with engine oil or other lubricants.
Note: It may be difficult to clean the intake valve if it is open. In this case, turn the engine by hand using a wrench on the crankshaft.
Replace the O-ring and Teflon seal of the injector.
Fig. 2.233. Installing the thrust ring
Reinstall the thrust ring 1 on the injector and lock the compensator 2 onto the thrust ring (fig. 2.233).
Fig. 2.234. Installing the injector using a mandrel
Insert the injector using the mounting mandrel until it stops in the hole in the cylinder head (fig. 2.234).
Fig. 2.235. Correct position of the injector
Check the correct position of the injector in the cylinder head (fig. 2.235).
Install the fuel rail with the intake manifold flap.
Install the intake manifold.
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