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How to Replace timing chain on Audi S4 3.0 TFSI 2009

Audi S4 3.0 TFSI 2009 timing chain 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.

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    How to Replace timing chain on Audi S4 3.0 TFSI 2009
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