Audi Workshop Service and Repair Manuals

Removing and installing exhaust manifold (right-side)

Removing   Note Fit all cable ties in the original positions when installing. –  Remove noise insulation panels -1- and -2- → Rep. gr.66.

–  Move fuel hose -1- and hose -2- from activated charcoal filter clear at air pipe. –  Detach vacuum hose -3- from connection on air pipe. –  Remove air pipe. To do so, release hose clip -4- and clamps -arrows-. –  Remove plenum chamber partition panel → Rep. gr.50.

–  Take electrical connector -1- for Lambda probe after catalytic converter -G130- out of bracket, unplug and move wiring clear.   Note Disregard -items 2, 3-. –  Remove front silencer (right-side) → Chapter.

–  Remove bolt -1- and nuts -arrows- and push catalytic converter clear towards right side.   Note For illustration purposes, the installation position is shown with the engine removed. –  Remove front wheel (right-side) → Wheels and tyres; Rep. gr.44. –  Remove front wheel housing liner (right-side) → Rep. gr.66. –  Remove nut -1- and bolt -2- and push coolant pipe clear to one side.

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

–  Remove nuts -7- and -9- and detach bracket for heat shield. –  Remove nuts -1 … 6- and -8- and detach exhaust manifold. Installing Installation is carried out in the reverse order; note the following: l  Tightening torques → Fig. „„Exhaust manifold (right-side) - tightening torque and sequence““   Note t  Renew gaskets and self-locking nuts. t  Hose connections and air pipes and hoses must be free of oil and grease before assembly. t  Secure all hose connections with the correct type of hose clips (same as original equipment) → Electronic parts catalogue. t  To secure the air hoses at their connections, spray rust remover onto the worm thread of the used hose clips before installing.

–  Fit exhaust manifold with gasket for catalytic converter and tighten nuts → Fig.. –  Install front wheel housing liner → Rep. gr.66. –  Fit front wheel → Wheels and tyres; Rep. gr.44. –  Install catalytic converter (right-side) → Chapter. –  Install front silencer → Chapter. –  Install plenum chamber partition panel → Rep. gr.50. –  Install noise insulation panels → Rep. gr.66.