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Home >> Audi >> 2012 >> Q7 3.0 TDI >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (3.0L - Cylinder Head & VALVETRAIN - Engine Code(S): CJTB, CJTC, CNAA, CJWB, CJWC, CJWE, CTWA, CTWB) >> 15 Cylinder Head, VALVETRAIN >> Chain Drive >> Left And Right Timing Chain Cover, Removing And Installing >> Removing

Left And Right Timing Chain Cover, Removing And Installing: Removing

WARNING: This page is about a different variant/trim than selected.
Fig 1: Engine Cover
GWWA10-11070Courtesy of AUDI OF AMERICA, LLC
NOTE:

When installing, bring all cable ties back to same positions.

-- Remove the rear engine cover -2- upward.

-- Remove the affected Secondary Air Injection (AIR) combination valve. For the left. Refer to SECONDARY AIR INJECTION LEFT COMBINATION VALVE, REMOVING AND INSTALLING and for the right. Refer to SECONDARY AIR INJECTION RIGHT COMBINATION VALVE, REMOVING AND INSTALLING .

Left Timing Chain Cover

Fig 2: Identifying Left Timing Chain Cover Bolt Loosening Sequence
GWWA15-10921Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts -1 through 8- and the bracket -arrows A and B-.

-- Carefully remove the left cover for the timing chain from the bond.

Right Timing Chain Cover

Fig 3: Bracket -1- Nuts -Arrows-
GWWA15-10928Courtesy of AUDI OF AMERICA, LLC

-- Remove the nuts -arrows- and move the bracket -1- and wiring harness to the side.

-- Remove the bolts -1 through 8-.

-- Carefully remove the right cover for the timing chain from the bond.

Fig 4: Identifying Right Timing Chain Cover Bolt, Tightening/Loosening Sequence
GWWA15-10925Courtesy of AUDI OF AMERICA, LLC