Operation CHARM: Car repair manuals for everyone.

Removal and Installation of Injection Nozzles

REMOVAL AND INSTALLATION OF INJECTION NOZZLES

Tightening torques
Injection nozzles 70-80 Nm (52-59 ft lb)
Injection lines 25 Nm (18.5 ft lb)

Special Tools




Conventional tools
Torque wrench 1/2" drive, 40-130 Nm
Torque wrench 1/2" drive, 15-65 Nm


Removal




1. Unscrew injection lines.

2. Detach leak-off fuel hoses and plug of 5th injection nozzle.

3. Unscrew injection nozzles using socket. If precombustion chamber collar comes undone, tighten all collars.

4. Withdraw nozzle plate (53).

5. Sight-check precombustion chamber. Direct flashlight into chamber and examine whether ball pin is in satisfactory condition.


Installation

6. Install in reverse order, using new nozzle plates. Note tightening torques.