Vehicles With Automatic Transmission 01 V

Left Front Exhaust Pipe With Catalytic Converter, Removing And Installing (Vehicles With Automatic Transmission 01 V)

Recommended special tools and equipment







- 3337 wrench, 7-piece set







- VAG1383A engine/transmission hoist

Removing







- Remove rear engine cover (arrows).







- Remove cover -1- in engine compartment (right side).







- Remove bolts for holding plate -3- for solenoid valves (arrows).
- Disconnect intake air hose -1- at Mass Air Flow (MAF) sensor.
- Remove hose -4- of crankshaft housing ventilation from air duct -2-.







- Remove bolt (arrow) and disconnect air duct -2- at throttle valve control module.
- Disconnect hose -1- from air duct.

NOTE: Illustration depicts air guide from rear with the engine removed.







- Remove cover -1- in engine compartment (left side).







- Remove coolant reservoir (arrow)
- Disconnect electrical wiring to Engine Coolant Level (ECL) Warning Switch -F66- at bottom of reservoir.
- Tie up coolant reservoir with connected coolant hoses -1- to -3- to the side.







- Disconnect vacuum hose to brake booster (arrows).
- Remove heat shield for harness connectors at left of bulkhead, if installed.







- Remove harness connectors -1- to -4- from bracket at left of bulkhead.
- Disconnect electrical harness connectors -1- and -4-.
- Move wires to oxygen sensors clear.







- Unscrew oxygen sensor behind catalytic converter (arrow) e.g. using special tool 3337/7.

NOTE: Illustration is shown with engine removed.







- Remove nut -2- which is accessible from top for exhaust pipe/exhaust manifold.

NOTE: Illustration is shown with engine removed.

- Remove left front wheel.







- Remove bolts or quick-release screws -1- and -2- and remove front noise insulation.
- Remove quick-release screws -3- and remove rear noise insulation, if installed.







- Remove front vehicle floor crossmember -1- to 4-.

NOTE: Flex joint in front exhaust pipe must not be bent more than 10 degree, otherwise it may be damaged.







- Disconnect exhaust system at both double clamps -arrows-.
- Remove heat shield above exhaust system.







- Remove heat shield for driveshaft from cover for Torsen differential (arrows).
- Remove bolts at flange of transmission/driveshaft.
- Push driveshaft and rear final drive together. The constant velocity joints can be adjusted axially.
- Rest driveshaft on exhaust system.







- Position engine/transmission jack V.A.G 1383 A directly behind ATF drip tray. Insert a wood block -1- to protect the transmission housing.

CAUTION: The lock carrier must be installed.







- First remove bolts -2- and -3- and then mounting bolts -1- and -4- of subframe.
- Lower the transmission and subframe slightly using VAG1383A engine/transmission jack.







- Remove bolts -1- to -4- for transmission mounts.
- Unbolt both transmission supports -5- and -6- at transmission housing and remove transmission supports with transmission mounts.
- Lower transmission slowly.







- Remove heat shield -1- for left drive axle.







- Remove bracket for front exhaust pipe (arrow).







- Remove nuts -1- and -3- which are accessible from bottom for front exhaust pipe/exhaust manifold.

NOTE: Illustration is shown with engine removed.

- Remove front exhaust pipe with catalytic converter.

Installing
Installation is the reverse of removal, noting the following:

NOTE:
- All cable ties opened or cut during engine removal must be reinstalled at the same locations during installation.
- Oxygen sensor threads are coated with an assembly paste. This paste must not get into the sensor openings.
- Replace gaskets and self-locking nuts.

- Install oxygen sensor.
- Install transmission supports.
- Install subframe:
- Installing driveshaft:
- Install exhaust system free of stress.

NOTE: Individual mounting components for exhaust system to transmission on vehicles with automatic transmission 01 V, See Fig. 5.

Fig. 5 Individual left mounting components for vehicles with automatic transmission 01 V







1 - Bolt (25 Nm)
2 - Heat shield for selector lever cable
3 - Spacer sleeve
4 - Buffer
5 - Strap
6 - Spacer sleeve
7 - Bracket
8 - Self-locking nut (25 Nm)
9 - Compression spring
10 - Spacer sleeve
11 - Washer

Tightening torques

Component Nm
Front exhaust pipe with catalytic converter to exhaust manifold 27
Front exhaust pipe with catalytic converter to hanging strap 25
Mounting straps to transmission 25
Drive axle protection to transmission 23.