Exhaust Manifold
Exhaust Manifold
Special tools, testers and auxiliary items required
• Torque wrench (5-50 Nm) (VAG 1331)
Removing
- Remove the engine cover.
- Remove the wiper arms.
- Remove the outer plenum chamber cover and the plenum chamber end plate.
- Remove the heat shield.
- Remove the protective cap for the right inner Constant Velocity (CV) joint from the engine.
- Remove the bolt - 1 - and nut - 3 - and remove the exhaust manifold brace - 2 -.
- Loosen the nuts for the double clamp.
- Remove the 4 front exhaust pipe to manifold nuts - 1 - and suspended mount bolts - 3 -.
- Remove the front exhaust pipe - 2 - from the manifold and tie up firmly to the side.
• The flex joint in the front exhaust pipe must not be bent more than 10 degrees, otherwise it may be damaged.
- Disconnect the harness connector - 2 - for the oxygen sensor.
- Remove the heat shield at the top of the front exhaust pipe and free up the wiring harness for the oxygen sensor in the exhaust manifold.
- Remove the exhaust manifold and remove it downward.
Installing
Installation is performed in reverse order. When doing this note the following:
• Gaskets and self locking nuts must be replaced.
• Install the exhaust manifold, refer to => [ Exhaust Manifold Assembly Overview ] Exhaust Manifold Assembly Overview.
• Install the front exhaust pipe with catalytic converter, refer to => [ Front Exhaust Pipe with Catalytic Converter Assembly Overview ] Front Exhaust Pipe With Catalytic Converter Assembly Overview.
- Check the Diagnostic Trouble Code (DTC) memory of the Engine Control Module (ECM), repair any stored malfunctions and then erase DTC memory. Refer to => [ Engine Control Module DTC Memory, Checking and Erasing ] Reading and Clearing Diagnostic Trouble Codes.