Installing the electrical wastegate valve controller for the exhaust turbocharger of cylinders 4 to 6
Repair kit for the electric wastegate valve controller
NOTE:
RISK OF DAMAGE
Damage to the electrical controller drive and the mechanical connection .
Improper handling of the electrical controller drive can lead to malfunctions or failure of the electrical controller drive .
Damage to the electrical controller drive and the mechanical connection .
Improper handling of the electrical controller drive can lead to malfunctions or failure of the electrical controller drive .
- Do not release the screw connection between the wastegate linkage and the control rod on the wastegate valve controller and do not twist it.
- Avoid exposure of lateral forces to the control rod of the electrical controller drive.
- Remove all the screws on the electrical controller drive before the control rod on the wastegate linkage is detached.
- Slide the control rod (1) carefully
in the arrow direction up to the stop on the electrical wastegate valve controller (2)
.
- Determine the dimension (A)
of the control rod (1)
of the electrical wastegate valve controller (2)
with a commercially available caliper gauge (3)
.
- Supplement dimension (B)
on the control rod (1)
of the electrical wastegate valve controller (2)
with a commercially available caliper gauge (3)
to dimension (A)
.
Dimension (B) = 3.5 mm
- Screw on the nut (1)
in the arrow direction up to the stop on the control rod (2)
.
- Feed in the electrical wastegate valve controller (1) in the arrow direction and install it.
- Hand-tighten the screws (2)
.
- Feed in and position the lever (1) carefully
on the pin (2)
.
- Feed in the cotter pin (1)
using standard pliers (2)
in the arrow direction and install it.
- Slide in the lever (1)
of the wastegate valve carefully in the arrow direction
up to the stop.
- Bring the adjustment nut (1)
into contact with the lever (2)
in the arrow direction
hand-tight.
- Feed in lock nut (1) and install.
- Hand-tighten the adjustment nut (1)
.
- Guide out the cotter pin (1) in the arrow direction
using standard pliers (2)
and remove it.
- Release the screws (2)
on the electrical wastegate valve controller (1)
.
- Carefully
detach the control rack (1)
of the electric wastegate valve actuator (3)
from the pin on the lever of the wastegate valve (2)
.
In this process, lateral force must not be applied to the control rod (1) .
- Guide out the electrical wastegate valve controller (3)
from the bore of the compressor housing and remove it.
- Have the following tools ready:
Number Description 1 Open-end wrench (key range 10-11) 2 Torque wrench 3 Socket (key range 11) - With a standard open-end wrench (3) , counter support at the adjustment nut (2) .
- Tighten the attachment nut (1)
with a standard torque wrench (4)
.TIGHTENING TORQUES SPECIFICATION
Control rod for electric wastegate valve controller M6 Only use an open-end wrench (for counter support) to tighten the lock nut! tightening torque 6±0.3 Nm - Check the contact surface (1)
at the exhaust turbocharger for contamination and clean if necessary.
- Guide the electrical wastegate valve controller (3) into the bore of the compressor housing and position it.
- Carefully
mount the control rod (1)
of the electric wastegate valve controller (3)
on the lever of the wastegate valve (2)
.
In this process, lateral force must not be applied to the control rod (1) .
- Replace screws (1)
.
Parts: Screws
The screws are included in the repair kit.
- Tighten the screws (1)
in a crosswise pattern using the special tool 2 469 240
.TIGHTENING TORQUES SPECIFICATION
Electrical controller drive to exhaust turbocharger M4 Replace screws.
Tighten screws crosswisetightening torque 2 Nm - Replace cotter pin (1)
.
Parts: Cotter pin
The cotter pin is included in the repair kit.
- Mount the cotter pin (1) in the bore (2) using standard pliers (3) in the arrow direction .
- Make sure the retaining clip engages audibly.NOTE: Schematic diagram is for example purposes. Some parts may differ in certain details.
- Check the ability to move of the lever (1)
.NOTE: The lever (1) must be movable in the arrow direction without applying excessive force.
- Connect connectors (1)
and lock.
The connector (1) must engage audibly.
Follow-up work
- Refer to FOR ELECTRICAL WASTEGATE VALVE CONTROLLER: TEACHING IN AND CHECKING END STOPS WITH THE DIAGNOSTIC SYSTEM (AFTER VEHICLE DIAGNOSIS) .
- Refer to INSTALLING THE CLEAN AIR PIPE FOR CYLINDERS 1 TO 6 .
- Refer to INSTALLING INTAKE FILTER HOUSING .
- Refer to INSTALLING THE STRUT BRACE .
- Refer to INSTALLING THE SEAL FOR THE HOOD GASKET LEFT AND RIGHT .
- Refer to INSTALLING THE REAR RIGHT ENGINE COMPARTMENT COVER .
- Refer to INSTALLING THE COVER OF THE ENGINE COMPARTMENT ON THE REAR LEFT .
- Refer to INSTALLING THE RIGHT FRONT-END STRUT .