Left exhaust manifold, removing and installing

WARNING: This page is about a different car, the 2006 Audi A4, 2005 Audi A4, 2004 Audi A4, 2003 Audi A4, and 2002 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

Removing

Remove left front exhaust pipe with catalytic converter. Refer to Left front exhaust pipe with catalytic converter, removing and installing (vehicles with manual transmission) , Left front exhaust pipe with catalytic converter, removing and installing (vehicles with automatic transmission 01J) and Left front exhaust pipe with catalytic converter, removing and installing (vehicles with automatic transmission 01V) .

Fig 1: Removing Threaded Connection At Heat Shield Which Is Accessible From Bottom

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Remove threaded connection -2- at heat shield which is accessible from bottom.
Unscrew threaded connection -1- which is accessible from top and remove heat shield.

Fig 2: Identifying Threaded Connections, Nuts, Heat Shield Bracket & Exhaust Manifold

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Unscrew threaded connections -1- of exhaust manifold which is accessible from top.
Remove nuts -2- from bottom and remove heat shield bracket.
Remove nut -3- and remove exhaust manifold.

Installing

Installation is reverse of removal, noting the following:

NOTE: Replace gaskets and self-locking nuts.

Install left front exhaust pipe with catalytic converter. Refer to Installing for vehicles with manual transmission, Installing for vehicles with automatic transmission 01J and Installing for vehicles with automatic transmission 01V.
Install exhaust system free of stress. Refer to Exhaust system, aligning free of stress (vehicles with front wheel drive) and Exhaust system, aligning free of stress (vehicles with all wheel drive) .

Tightening torques

Component		Nm
Exhaust manifold to cylinder head		25
Heat shield	M6	10
for exhaust manifold	M8	25