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Home >> Audi >> 2011 >> S5 4.2, Automatic >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Cylinder Head, VALVETRAIN [CAUA] (Coupe) >> 15 Cylinder Head, VALVETRAIN >> Chain Drive >> Camshaft Timing Chain, Removing From Camshafts >> Installing >> Notes

Camshaft Timing Chain, Removing From Camshafts: Installing: Notes

NOTE:

Replace Any Bolts That Were Tightened With An Additional Turn.

Replace The Locking Bolt Seal For The "TDC" Marking.

CAUTION:

Risk Of Damaging Valves And Piston Crowns.

  • If camshafts are rotated, crankshaft may not rest with any piston at "TDC".

-- Install The Camshaft Adjuster On The Left Cylinder Head According To The Markings Applied During Removal.

Fig 3: Identifying Bolts On Left Cylinder Head And Removing Both Camshaft Adjusters
GWWA13-10322Courtesy of AUDI OF AMERICA, LLC

-- Position the camshaft timing chain on the drive sprocket and the camshaft adjuster and loosely install bolts -1 and 2-.

-- Remove the :T40071  .

-- Install the camshaft adjuster on the right cylinder head according to the markings applied during removal.

Fig 4: Identifying Bolts On Right Cylinder Head And Removing Both Camshaft Adjusters
GWWA13-10323Courtesy of AUDI OF AMERICA, LLC

-- Position The Camshaft Timing Chain On The Drive Sprocket And The Camshaft Adjuster And Loosely Install Bolts -1 And 2-.

-- Remove the :T40071  .

-- Place the :T40079  on the intake camshaft adjuster on the left cylinder head.

Fig 5: Positioning Adapter T40079 On Intake Camshaft Adjuster At Left Cylinder Head
GWWA13-10301Courtesy of AUDI OF AMERICA, LLC

-- Position the :VAG1332  with the :VAG1332/9  on the :T40079  .

-- Have a second technician pretension the camshaft adjuster in the direction of the -arrow- to 40 Nm.