Left Exhaust System Tract

Left Exhaust System Tract

Removing

• Engine/transmission assembly removed and mounted on scissor lift platform (VAS 6131 A).

• During installation, reinstall all heat insulation sleeves and heat shields at the same locations.

• All cable ties opened or cut during engine removal must be reinstalled at the same locations during installation.

- Remove electrical connector - 1 - for oxygen sensor 3 after catalytic converter) (G287) from bracket and disconnect it.





• Ignore - 2 - and - arrows -.

- Remove bracket for oxygen sensor electrical connectors - 1 to 4 - from subframe - arrow -.





- Remove electrical connectors - 1 - for oxygen sensor 4 after catalytic converter (G288) and - 2 - for heated oxygen sensor 3 (G285) (in front of catalytic converter) from bracket on transmission and disconnect them.

- Remove the bolts - 2 - and - 3 -.





- Pull the oil dipstick guide tube upward and off - arrow -.

• Ignore - 1 - and - 4 -.

- Remove the bolt - arrow - on the strap for the left exhaust system tract.





- Remove nuts - arrows -.





- Remove nuts in - 9 to 1 - sequence and remove left front exhaust manifold with catalytic converter.





- Disconnect electrical connector - 1 - for heated oxygen sensor 4 (G286) and free up oxygen sensor wiring.





• Ignore - 2 -.

- Remove nuts in sequence - 6 to 1 - and remove left rear exhaust manifold with catalytic converter.





Installing

Installation is in reverse order of removal, note the following:

• Replace gaskets, O-rings and self-locking nuts.

• Secure all hose connections with hose clamps appropriate for the model.

• During installation, reinstall all heat insulation sleeves and heat shields at the same locations.

• During installation, all cable ties must be installed at the same location.

- Position the left rear exhaust manifold and catalytic converter on the cylinder head.





- Tighten the left rear exhaust manifold nuts in three steps in the specified tightening sequence:





- Position left front exhaust manifold with catalytic converter on cylinder head and tighten nuts by hand.





- Tighten the left front exhaust manifold nuts in three steps in the specified tightening sequence:





- Adjust the exhaust system so that it is free-of-tension after the engine is installed. Refer to => [ Exhaust System, Installing ] Exhaust System, Installing.

Tightening Specifications