Oil Line: Service and Repair
Oil Supply Line to Turbocharger
Special tools, testers and auxiliary items required
• Socket (T40055)
• Torque Wrench (5-50 Nm) (V.A.G 1331)
Removing
- Remove the engine cover. Refer to => [ Engine Cover ] Engine Cover.
- Remove the air filter housing. Refer to => [ Air Filter Housing ] Air Filter Housing.
- Remove the intake tube between the Mass Airflow (MAF) sensor and intake duct. Loosen the hose clamps using hose clip pliers (VAS 6362).
- Remove the intake scoop.
- Remove the warm air collector plate.
- Remove the connecting pipe between the exhaust manifold and intake manifold.
- Remove the charge air pipe.
- Remove the clamp - arrow - on the back of the cylinder head.
- Loosen the union nuts on the oil filter bracket and turbocharger with socket (T40055).
- Remove the oil supply line clamp bolt - arrow - at the side of the cylinder head.
- Remove the oil supply line.
Installing
- Check the oil supply line to make sure it is not clogged.
- Fill the turbocharger with engine oil at the oil supply line connection.
The additional numbered steps must be followed to ensure the oil supply line is installed correctly
- Set the union nuts of the oil supply line onto the connections.
- Tighten the union nut on the oil filter bracket by hand.
- Tighten the union nut on the turbocharger by hand.
- First, tighten the union nut on the oil filter bracket and then the one on the turbocharger using socket (T40055).
• Tightening specification, see - item 6 - in the => [ Oil Filter Bracket and Oil Cooler Overview ] Oil Filter Bracket and Oil Cooler Overview.
- Position the clamps and tighten the bolt or nut:
• Tightening specification: 10 Nm.
The rest of the installation is performed in reverse order of removal, noting the following:
Make sure the connecting pipe coupling element does not bend or stretch. Cracks could develop.
• Replace the connecting pipe between the exhaust manifold and intake manifold after removing.
- Install the connecting pipe between the exhaust manifold and intake manifold.
- Install the warm air collector plate.
- Install the intake scoop.
- Install the charge air tube.
- Install the intake tube between the MAF sensor and intake duct. Refer to => [ Air Filter Housing Overview ] Air Filter Housing Overview.
- Install the air filter housing. Refer to => [ Air Filter Housing ] Air Filter Housing.
- Install the engine cover. Refer to => [ Engine Cover ] Engine Cover.