To Remove
If the turbo must be replaced, carry out Before replacing the turbo.
- Open the expansion tank cap to release system pressure.
- Raise the car.
- Drain the engine coolant by connecting a hose and opening the drain plug. Collect the coolant in a receptacle.
- Remove the turbocharger stay and the front pipe stay.
- Undo the bottom nut on the joint between the turbocharger and the front exhaust pipe.
- Place a receptacle under the car and detach the coolant pipe from the turbocharger.
- Undo the oil return pipe between the turbocharger and the cylinder block. Plug the hole in the block.
- Place a receptacle under the car and detach the oil pipe from the oil filter adapter.
- Detach the turbocharger outlet hose from the charge air cooler, plug the turbocharger outlet using 83 94 595 Plug, turbo hose or the like.
- Lower the car to the floor.
- Remove the connecting hose between the mass air flow sensor and the turbocharger inlet pipe.
- Remove the bypass pipe with valve, keeping the O -ring from the connector to the turbocharger inlet pipe.
- Remove the heat shield over the exhaust manifold.
- Unplug the solenoid valve connector.
- Remove the hoses to the solenoid valve, noting their locations.
- Detach the crankcase ventilation pipe from the turbo inlet pipe and camshaft cover. Move the pipe to aside. Keep track of the sealing washers.
- Detach the EVAP purge hose from the T-connector on the solenoid valve.
- Remove the engine lifting eye.
- Remove the turbocharger inlet pipe.
- Remove the 2 top nuts on the joint between the turbocharger and the front exhaust pipe. Carefully move away the exhaust pipe and secure it with a strap or similar.IMPORTANT: The flexible bellows on the exhaust pipe must not be exerted to bending over 5°. If this angle is exceeded, the bellows can be permanently deformed.
- Remove the wastegate, 2 bolts and 1 clip.
- Detach the oil pipe from the turbocharger.
- Detach the transverse coolant pipe from the cylinder head and from the pressure sensor mounting.
- Detach the coolant hose from the coolant pump to the turbocharger.
- Detach the coolant hose from the turbocharger.
- Undo the nuts securing the turbocharger to the exhaust manifold.
- Carefully lower the turbocharger.
- Raise the car.
- Carefully lift out the turbocharger.