Audi Workshop Service and Repair Manuals

Removing and installing exhaust manifold (left-side)

Removing   Note Fit all cable ties in the original positions when installing. –  Remove plenum chamber partition panel → Rep. gr.50. –  Remove noise insulation panels -1- and -2- → Rep. gr.66. –  Remove front silencer (left-side) → Chapter.

–  Take electrical connector -3- for Lambda probe 2 after catalytic converter -G131- out of bracket, unplug and move wiring clear.   Note Disregard -items 1, 2-.

–  Remove bolt -1- and nuts -arrows-, detach catalytic converter (left-side) from exhaust manifold and move to rear.

–  Remove engine mounting (left-side) → Chapter. –  Unscrew bolts -arrows- and remove engine support (left-side).

–  Remove bolts -1 … 4- and detach heat shield.

–  Remove nuts -1- and -8- and detach bracket for heat shield. –  Remove nuts -2 … 7- and -9- and detach exhaust manifold. Installing Installation is carried out in the reverse order; note the following: l  Tightening torques → Fig. „„Exhaust manifold (left-side) - tightening torque and sequence““   Note Renew gasket and self-locking nuts.

–  Fit exhaust manifold with gasket for catalytic converter and tighten nuts → Fig.. –  Install engine support with engine mounting (left-side) → Chapter. –  Install catalytic converter (left-side) → Chapter. –  Install front silencer → Chapter. –  Install noise insulation panels → Rep. gr.66. –  Install plenum chamber partition panel → Rep. gr.50.