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How to Replace timing chain on Audi S4 3.0 TFSI 2009

Audi S4 3.0 TFSI 2009 cambelt change instructions and replacement inteval. Full guide!

Special tools

  • Balancer shaft alignment tool – No.T40116.
  • Camshaft adjuster pre-tensioning tool 1 – No.T10172.
  • Camshaft adjuster pre-tensioning tool 2 – No.T10172/2.
  • Camshaft locking tools – No.T40133/1/2.
  • Camshaft sprocket adapter – No.T10035.
  • Crankshaft locking pin – No.T40069.
  • Crankshaft pulley bolt adapter – No.T40058.
  • Crankshaft turning tool – No.T40049.
  • Timing chain tensioner locking pin – No.T40071.
  • Two-pin wrench – No.3212.

Special precautions

  • Disconnect battery earth lead.
  • Remove spark plugs to ease turning engine.
  • Turn engine in normal direction of rotation (unless otherwise stated).
  • Observe tightening torques.
  • If fitted: Mark position of crankshaft position (CKP) sensor before removal.
  • Do NOT turn crankshaft via camshaft or other sprockets.
  • Do NOT turn crankshaft or camshaft with timing chain removed.

Valve timing procedures

  • Timing chains located at rear of engine.
  • Removal/installation of timing chain(s) requires:
    • Transmission removal.
    • Flywheel removal.
  • Turn crankshaft in direction of rotation until threaded holes in camshafts point upwards [1] .
  • Fit camshaft locking tools [2] . Tighten to 25 Nm.
  • Remove blanking plug from cylinder block.
  • Fit crankshaft locking pin [3] . Tighten to 20 Nm.
  • Ensure balancer shaft can be locked in position [4] .
  • Remove tensioner(s) to ease timing chain(s) removal/installation.
  • Push plunger into tensioner housing and insert locking pin [5] , [6] & [7] .
  • Slacken central bolt of each camshaft 1 turn [8] .

NOTE: If timing chains are to be reused, mark LH and RH chains before removal to ensure they are refitted in their original positions.

  • Align camshafts.
  • Fit camshaft locking tools [2] .
  • Fit camshaft locking tool bolts. Tighten to 25 Nm.
  • Tighten RH camshaft adjuster bolt and RH camshaft sprocket bolt in sequence [8] :
    • Pre-tension RH camshaft coupling chain.
    • Fit two-pin wrench to exhaust camshaft sprocket [9] .
    • Pre-tension RH exhaust camshaft sprocket in clockwise direction [9] .
    • Tighten exhaust camshaft sprocket bolt to 80 Nm [8] .
    • Maintain pre-tension on exhaust camshaft sprocket [9] .
    • Tighten inlet camshaft adjuster bolt to 80 Nm [8] .
    • Remove two-pin wrench [9] .
    • Tighten inlet camshaft adjuster bolt and exhaust camshaft sprocket bolt a further 90° [8] .
  • Tighten LH camshaft adjuster bolt and LH camshaft sprocket bolt in sequence [8] :
    • Pre-tension LH camshaft coupling chain.
    • Fit camshaft adjuster pre-tensioning tools to LH inlet camshaft adjuster [10] .
    • Pre-tension LH inlet camshaft adjuster in clockwise direction [10] .
    • Tighten inlet camshaft adjuster bolt to 80 Nm [8] .
    • Maintain pre-tension on inlet camshaft adjuster [10] .
    • Tighten exhaust camshaft sprocket bolt to 80 Nm [8] .
    • Remove camshaft adjuster pre-tensioning tools [10] .
    • Tighten inlet camshaft adjuster bolt and exhaust camshaft sprocket bolt a further 90° [8] .

NOTE: Central bolt of camshaft adjusters MUST only be used once.

  • Remove chain tensioner locking pin after repairs [7] .
  • Remove crankshaft locking pin and camshaft locking tools [3] & [2] . Turn crankshaft 2 turns clockwise to TDC on No.1 cylinder.
  • Fit camshaft locking tools [2] .
  • Fit crankshaft locking pin [3] .
  • If crankshaft locking pin cannot be fitted valve timing is incorrect. Repeat installation procedures.
  • Remove crankshaft locking pin and camshaft locking tools [3] & [2] .
  • Refit blanking plug for cylinder block. Renew seal ring.

    How to Replace timing belt on Audi S4 3.0 TFSI 2009
    How to Replace timing belt on Audi S4 3.0 TFSI 2009
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