Front Exhaust Pipe With Catalytic Converter

WARNING: This page is about a different variant/trim than selected.

Removing

-- Remove the engine cover/upper air filter housing. Refer to ENGINE COVER/UPPER AIR FILTER HOUSING .

-- Disconnect heated oxygen sensor -G39- harness connector -arrow- and free up the wire.

Fig 1: Disconnecting Heated Oxygen Sensor (HO2S) G39 Harness Connector

GWWA26-10134

Courtesy of VOLKSWAGEN UNITED STATES, INC.

-- Remove the front exhaust pipe with catalytic converter to turbocharger nuts -arrows-.

Fig 2: Removing Both Upper Mounting Nuts Of Front Exhaust Pipe/Turbocharger

GWWN26-10097

Courtesy of VOLKSWAGEN UNITED STATES, INC.

-- Remove the right underbody trim retainers -arrows- and trim.

Fig 3: Identifying Right Vehicle Floor Cover

GWWA10-1663

Courtesy of VOLKSWAGEN UNITED STATES, INC.

-- Disconnect the connector for the oxygen sensor after three way catalytic converter -G130- -arrow- and free up the wire.

Fig 4: Disconnecting Connector For Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) G130

GWWA26-10132

Courtesy of VOLKSWAGEN UNITED STATES, INC.

NOTE:

The flex joint in the front exhaust pipe with catalytic converter must not be bent more than 10°, otherwise they may be damaged.

-- Disconnect the exhaust system at the clamping sleeve -arrows-.

Fig 5: Disconnecting Exhaust System At Clamping Sleeve

GWWA10-1734

Courtesy of VOLKSWAGEN UNITED STATES, INC.

-- Remove the front cross member to underbody nuts -arrows- and cross member.

Fig 6: Removing Front Cross Member For Underbody

GWWA10-10248

Courtesy of VOLKSWAGEN UNITED STATES, INC.

-- Remove the exhaust system suspended mount bolts -arrows-.

Fig 7: Removing Bracket For Exhaust System

GWWA10-1632

Courtesy of VOLKSWAGEN UNITED STATES, INC.

-- Remove the front exhaust pipe with catalytic converter.

Installing

Install in reverse order of removal. Note the following:

Lubricate the turbocharger studs with hot bolt paste; hot bolt paste .
Replace gaskets and self-locking nuts.
Install the exhaust system free of stress. Refer to EXHAUST SYSTEM, INSTALLING .

Tightening Specifications

Component		Nm
Front exhaust pipe to turbocharger		40
Cross member to underbody		25
Suspended mount to subframe		25
Clamping sleeve		25