Removing and Installing/Replacing Left Secondary Pipe (N73)

11 72 194 - Removing and installing/replacing left secondary pipe (N73)





Necessary preliminary tasks:
- Drain engine oil Engine Oil Service.
- Remove center of assembly partition wall 51 71 085 Removing and installing center of assembly compartment bulkhead.
- Remove reinforcement plate Service and Repair.
- Remove lower section of steering spindle Removing and Installing/Replacing Lower Section of Steering Spindle.





Disconnect air connection (1) on secondary valve.
Unscrew bolt (2).
Remove secondary valve (3).
Detach high-pressure line Service and Repair(4).
Tightening torque: 13 53 2AZ 13 53 Fuel Injection Nozzles and Pipes
Release screw (7) and place solenoid valve (5) to one side.
Unscrew bolt (8).
Release secondary pipe (9) and lay to one side.

Installation:
Fit secondary pipe and secondary valve without gaps.





Detach fuel lines (1) from holder (2).
Press fuel line (1) downwards.

Important!
Press fuel lines (1) downwards carefully, risk of damage.





Release screw (1), twist oil guide tube (2) and lift out.

Installation:
Replace sealing ring on guide tube.
Apply light coat of oil to seal.
Tightening torque: 11 43 1AZ 11 43 Guide Tube for Oil Dipstick.

Important!
Pay attention to routing of B+ lead.
The secondary pipe can only be removed if the oil guide tube is removed.





Assemble engine.