Left Front Exhaust Pipe With Front and Main Catalytic Converter, A/T, Removing and Installing
Left Front Exhaust Pipe With Front And Main Catalytic Converter, Removing And Installing (vehicles With Automatic Transmission)
Special tools, testers and auxiliary items required
- Hose clamps up to 25 mm diameter 3094
- Engine/transmission jack V.A.G 1383 A
Removing
NOTE:
- All heat insulation sleeves removed during engine removal must be reinstalled at the same locations during installation.
- All cable ties opened or cut during repairs must be reinstalled at the same locations.
- Remove rear engine cover - arrows -.
- Remove cover - 1 - in engine compartment (right side
- Remove air guide hose - arrows -.
- Remove cover - 1 - in engine compartment (left side).
- Clamp off coolant hose - 2 - using hose clamp 3094 and disconnect from coolant expansion tank.
- Seal connection using a plug that fits.
- Remove bolt from coolant reservoir - arrow -.
- Disconnect electrical wiring to Engine Coolant Level (ECL) Warning Switch -F66- at bottom on expansion tank and set aside coolant expansion tank with coolant hose - 1 - connected.
- Remove harness connectors - 1 to 4 - from bracket at left of bulkhead.
- Disconnect electrical harness connectors - 1 - and - 4 -.
- Remove bracket from bulkhead.
- Remove heat insulation sleeve on wiring harness and lay wiring harness clear.
- Move oxygen sensor wires downward.
- Remove left front wheel.
- Loosen quick-release screws - 1 -, remove screws - 2 - and remove sound insulation.
NOTE: Decoupling elements in front exhaust pipes must not be bent more than 10 danger of damage.
- Disconnect exhaust system at double clamps - arrows -.
- Remove heat shield - A - for driveshaft - arrows -.
- Remove bolts at flange of transmission/driveshaft.
- Push driveshaft toward rear final drive. Constant velocity joints can be adjusted axially.
- Tie up driveshaft to body.
- Place punch of engine/transmission jack V.A.G 1383 A centrally on housing casing - arrow - and support transmission from below.
CAUTION: The lock carrier must be installed.
- Remove bolts - 2 - and - 3 - and then mounting bolts - 1 - and - 4 - of subframe.
- Lower transmission and subframe using engine/transmission jack V.A.G 1383 A to dimension - a -.
- Dimension - a - = 50 mm.
- Remove heat shield for left drive axle - arrow -.
- Move oxygen sensor wiring clear at areas indicated by - arrows - on transmission.
NOTE: Illustration shows engine/transmission assembly removed.
- Unscrew bolt - arrow - at strap for left front exhaust pipe.
- Remove nuts - 1 to 3 - for left front exhaust pipe/exhaust manifold.
NOTE: Illustration shows engine/transmission assembly removed.
- Remove front exhaust pipe with front and main catalytic converters.
Installing
Installation is performed in reverse order of removal. Note the following:
NOTE:
- Replace self-locking nuts.
- During installation, reinstall all heat insulation sleeves at the same locations.
- Secure all hose connections using hose clamps appropriate for the model type Parts Catalog
- During installation, reinstall all cable ties at the same locations.
- Tighten nuts - 1 to 3 - of front exhaust pipe/exhaust manifold bolts uniformly in stages. Align catalytic converter horizontally while tightening.
- Install subframe Suspension, Wheels, Steering -.
NOTE: Individual mounting components of exhaust system on transmission.
- Align exhaust system free of tension.
Tightening torques
Component Nm
Front exhaust pipe with front and main 27
catalytic converters to exhaust manifold
Front exhaust pipe with front and main 25
catalytic converters to mounting strap
Heat shield for driveshaft to transmission 23