Audi Workshop Service and Repair Manuals

Removing and installing exhaust manifold (right-side) Removing   Note All cable ties which are released or cut open when removing must be refitted in the same position when installing. –  Remove front exhaust pipe (right-side) with catalytic converter: vehicles with manual gearbox → Chapter; vehicles with automatic gearbox → Chapter.

Vehicles with automatic gearbox:   Note t  After removal of the front exhaust pipe (right-side) the subframe is detached at the rear. t  The gearbox is supported centrally below cast lug on gearbox housing -arrow- with engine and gearbox jack -V.A.G 1383 A-. –  Lift gearbox slightly using engine and gearbox jack -V.A.G 1383 A-.

–  Screw in bolts -1- and -4- hand-tight.   Note Disregard items marked -2- and -3-. –  Lower gearbox and pull out engine and gearbox jack -V.A.G 1383 A- from beneath vehicle.

All vehicles: –  Unscrew securing bolts -1- and -4- for heat shield (accessible from below).

–  Remove bolts -arrows-. –  Remove air ducts -1- and -2-.

–  Pull pin out of fastener -arrow-. –  Detach air cleaner housing. –  Move wiring harness for alternator and starter clear at longitudinal member.

–  Unplug electrical connector -arrow- at Hall sender 3 -G300-. –  Move wiring clear.

–  Unplug electrical connector -1- for Lambda probe -G39- and move wiring clear.   Note Disregard -item 2-.

–  Unscrew bolts -2- and -3- (accessible from above) and remove heat shield.

–  Remove nuts -7- and -9- and detach bracket for heat shield. –  Unscrew nuts -1 ... 6- and -8- and remove exhaust manifold. Installing Installation is carried out in the reverse order; note the following:   Note t  Renew gaskets and self-locking nuts. t  Reinstall all cable ties in the same locations when assembling.

–  Secure exhaust manifold together with bracket for heat shield by tightening nuts in 2 stages in the sequence shown, as follows: 1 -  Initially tighten to 15 Nm. 2 -  Tighten to 25 Nm. –  Install front exhaust pipe (right-side) with catalytic converter: vehicles with manual gearbox → Chapter; vehicles with automatic gearbox → Chapter. –  Align exhaust system so it is free of stress → Chapter. Tightening torques

Component	Nm
Exhaust manifold to cylinder head	25 1)2)
Heat shield to bracket for heat shield	10
Hose clips (9 mm wide)	3
l  1) Renew nuts. l  2) Grease with high-temperature paste; refer to → Electronic parts catalogue for high-temperature paste