73 - Maintenance Procedures
Always use a torque angle gauge to turn the torque-to-yield bolt!
Over-torque can cause engine failure!
Torque the clamping shoes.
Level 2: 90º
Level 3: 90º
Connect the fuel line to each injector.
Excessive bending of injector can cause the sealing ring failure. This will lead
to a leaking combustion chamber.
Tighten the flare nuts at each injector.
Refer to Fig. 73 - 3.
Use a wrench (13 mm) to
hold the injector connection
port when you torque the
flare nut. (See also 73-10-
03 A).
Tighten the four nuts that connect the injector fuel line on
the fuel rail.
Connect the fuel return line to each injector.
Install the circlip on the fuel return line on each injector.
Connect the engine harness to each injector.
Press the connector lock.
Install the injector cover.
Refer to Section 85-10-00
Paragraph 3.B.
If new injectors are installed, program the IQA-Code into
the EECU with the AE 300-Wizard.
Refer to Section 71-00-01.
Examine the fuel system for leakage under the injector
cover.