Audi Workshop Service and Repair Manuals

Removing and installing plenum chamber electronics box

Removing –  Switch off ignition and take out ignition key. –  Detach rubber seal of plenum chamber cover in direction of -arrow-. –  Remove plenum chamber cover -1- to front.

–  Remove wiper arms -2- and -items 3 and 4- → Chapter.   Caution To stop the cowl panel grille -5- being torn on removal, apply a small quantity of soap solution to the transition between the windscreen and cowl panel grille and pull the cowl panel grille vertically upwards out of the fastening strip, starting at the edge of the windscreen. –  Pull off retaining clips -1- and detach cowl panel grille -5-.

–  Remove cover for electronics box in plenum chamber -arrows-.

–  Use screwdriver to pry off retaining strap -arrows-.

–  Release retaining tabs -arrows- and unplug connectors -1- and -2- for engine control unit. –  If fitted, release the retaining clip for the gearbox control unit.

–  Release connector -arrow- and unplug it from gearbox control unit.

–  Unplug electrical connectors -2- at rear of connector console. –  Unscrew electrical wire -1-.

–  Release retaining clips -arrows- and lift auxiliary relay carrier out of electronics box. –  Detach the engine wiring harness at electronics box and bulkhead and move it clear.

–  Unscrew securing nuts -arrows-. –  Lift electronics box and remove upwards. Installing Install in reverse order. Tightening torque

Component	Nm
Plenum chamber electronics box to body	3