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Home >> Audi >> 2012 >> S4 Automatic DCT Trans >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 3.0L - Cylinder Head & VALVETRAIN - Engine Code(S): CCBA, CGXC & CTUB (Sedan) >> 15 Cylinder Head, VALVETRAIN >> Timing Chain Cover >> Lower Timing Chain Cover, Removing And Installing >> Removing

Lower Timing Chain Cover, Removing And Installing: Removing

-- Remove the upper coolant pipe. Refer to UPPER COOLANT PIPES, REMOVING AND INSTALLING .

NOTE:

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

Fig 1: Identifying Battery And Ground Cable
GWWA27-10141Courtesy of AUDI OF AMERICA, LLC
CAUTION:

Danger of causing damage to electronic components.

  • Observe the steps for disconnecting the battery.

-- Switch the ignition off and remove the ignition key.

-- Disconnect the battery Ground (GND) cable -2-. Refer to GROUND CABLE WITH Battery Monitoring Control Module -J367-, REMOVING AND INSTALLING .

-- Remove the drive plate. Refer to DRIVE PLATE, REMOVING AND INSTALLING .

-- Remove the left and right timing chain covers. Refer to LEFT AND RIGHT TIMING CHAIN COVER, REMOVING AND INSTALLING .

-- Remove the oil filter housing. Refer to OIL FILTER HOUSING, REMOVING AND INSTALLING .

-- Remove the generator. Refer to GENERATOR, REMOVING AND INSTALLING, Vehicles with 3.0L TFSI and 3.2L FSI Engine .

Fig 2: Identifying Bolts, Electrical Connections, And Generator
GWWA27-10026Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the starter connector -3- by sliding the retainer back and pressing the release down.

Fig 3: Disconnecting Starter Electrical Connector
GWWA27-10148Courtesy of AUDI OF AMERICA, LLC

-- Remove the electrical wire nut -2- and starter.

NOTE:

Ignore items -1 and 4-.

-- Remove the bolts -arrows-.

-- Loosen and remove the bolts -1 through 10- in a diagonal sequence.

-- Carefully loosen the lower timing chain cover from the bond and remove it.

-- Press the transmission side of the crankshaft shaft seal out of the lower timing chain cover.

Fig 4: Lower Timing Chain Cover Bolts
GWWA15-10503Courtesy of AUDI OF AMERICA, LLC