Plenum Chamber Bulkhead, Removing And Installing: Removing

-- Remove the engine cover. Refer to Engine Cover, Removing And Installing .

-- For vehicles that have a pass-through for the coolant lines through the plenum chamber bulkhead, drain the coolant. Refer to Coolant, Draining And Filling .

-- Remove the plenum chamber cover. Refer to Plenum Chamber Cover, Removing And Installing .

-- Remove the tower brace. Refer to Tower Brace, Removing And Installing .

-- Remove the nuts -arrows- and remove the bracket -1- with the Relay and Fuse Panel 3 -SR3-.

Courtesy of AUDI OF AMERICA, LLC

-- Release the retainer in direction of -arrow- and remove the vacuum hose -1-.

Courtesy of AUDI OF AMERICA, LLC

-- Release the retainers in direction of -arrows- and push the vacuum connection -1- into the plenum chamber.

Courtesy of AUDI OF AMERICA, LLC

-- Free up the wiring harness -2-.

-- Lift the clamps -1 and 6- and remove the coolant hoses.

Courtesy of AUDI OF AMERICA, LLC

-- If equipped free up the wiring harness -5-.

-- Loosen the hose clamps -3-, remove the coolant hoses -2 and 4- and free them up.

-- Remove the nuts -arrows-.

Courtesy of AUDI OF AMERICA, LLC

-- Remove the plenum chamber bulkhead -1- upward.