Turbocharger, Removing And Installing: Removal
If mechanical damage (such as a destroyed compression wheel) is found on the turbocharger, just replacing the turbocharger is not enough. To avoid damage later, perform the following steps:
- Check the air filter housing, air filter element and air guide hoses for contamination.
- Check the entire charge air circuit and charge air cooler for foreign objects.
- If there are foreign objects in the charge air system, clean the charge air circuit and replace the charge air cooler if necessary.
-- Carefully pull the engine cover off the 4 bolts one after the other -arrows-.
-- Remove the air guide hose by loosening the hose clamps -arrows-.
Vehicles through 05/2010:
-- Remove the bolts -2- and -3-.
-- Loosen the clamp -1- and remove the air guide hose from the right air guide pipe.
Vehicles from 06/2010:
-- Remove the bolts -2- and -3-.
-- Loosen the clamp -1- and remove the air guide hose from the right air guide pipe.
All vehicles:
-- Remove the bolts -left arrows- and move the air intake connection to the side with the air duct hose still connected -right arrow-.
-- Disconnect the connector -2- on the Turbocharger 1 Servo Motor -V280-.
-- Remove the bolt -1- and banjo bolt -3- for the oil supply line on the turbocharger.
-- Remove the bolts -1- and -2- and then remove the heat shield from the turbocharger.
-- Remove the nuts -arrows- and remove the primary catalytic converter from the turbocharger.
-- Disconnect the -1- Exhaust Gas Temperature Sensor 1 -G235- connector (black).
Ignore -item 2-.
-- Remove the turbocharger bolts -arrows-.
Danger of damaging both pipes for the oil return line.
- The upper part -3- of the oil return line mounted to the turbocharger must be removed carefully from the lower part -5- of the oil return line.
- Gently turning the turbocharger -4- back and forth and pulling it up will prevent bending the oil return line pipes.
- O-Ring
- Intermediate Flange
-- Remove the turbocharger.
-- Seal any open lines and connections with a clean plug from the Engine Bung Set VAS 6122.
Do not set the removed turbocharger on top the upper part of the oil return line.