Left Timing Chain Cover, Removing And Installing: Removing

WARNING: This page is about a different car, the 2012 Audi S5, 2011 Audi S5, 2010 Audi S5, 2009 Audi S5, and 2008 Audi S5. However, it is still accessible from the selected car via links, so may be relevant.

-- Remove the upper left coolant pipe. Refer to UPPER LEFT COOLANT PIPE, REMOVING AND INSTALLING .

-- Remove the rear coolant pipe. Refer to REAR COOLANT PIPE, REMOVING AND INSTALLING .

-- Remove the vacuum hose -2- (if equipped) from the Secondary Air Injection (AIR) combination valve.

Fig 1: Identifying Vacuum Hose -2-, Secondary Air Hose -3- & Bolts -4-

Courtesy of AUDI OF AMERICA, LLC

-- Remove the AIR hose -3- by pressing the release buttons.

-- Remove the bolts -1- and remove the secondary air injection combination valve.

NOTE:

Ignore -4-.

-- Loosen and remove the bolts in the following sequence: -8 through 1- and then remove the bracket -arrow A- for the heated oxygen sensor connectors.

Fig 2: Identifying Left Timing Chain Cover Tightening Sequence

Courtesy of AUDI OF AMERICA, LLC

-- Push the wiring harness bracket -arrow B- to the side and carefully remove the left timing chain guard.