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How to Replace timing chain on Audi A3 8P MK2 1.8 TFSI 2008-2012

Special tools

  • Camshaft adjuster control valve removal tool – No.T10352.
  • Camshaft adjuster control valve removal tool – No.T10352/1.
  • Crankshaft pulley holding tool – No.T10355.
  • Tensioner locking pin – No.T40011.

General 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.
How to Replace timing chain on Audi A3 1.8 TFSI 2008-2012
How to Replace timing chain on Audi A3 1.8 TFSI 2008-2012

Valve timing procedures

  • Engine at TDC on No.1 cylinder [1] .

WARNING: Crankshaft sprocket not keyed to crankshaft.

  • Refit crankshaft pulley bolt with spacer.
  • Remove inlet camshaft adjuster control valve (LH thread) [2] .
  • Remove exhaust camshaft sprocket bolt and washer [3] .
  • Remove camshaft support bracket [4] .
  • Ensure coloured or painted chain links aligned with timing mark on each camshaft sprocket [5] .
  • Ensure balancer shaft timing marks aligned [6] .
  • Ensure balancer shaft gear timing marks aligned [7] .
  • Ensure crankshaft sprocket timing marks aligned [8] & [9] .
  • Reset tensioner [10] :
      • Release locking mechanism using a suitable tool [11] .
      • Push plunger into tensioner housing [12] .
      • Insert tensioner locking pin [13] .
  • Remove pin to release timing chain tensioner plunger [13] .
  • Tighten exhaust camshaft sprocket bolt [3] .

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3 votes

One Comment

  1. Karl Price Karl Price

    Thanks, your advise help me out, I was a little unsure, after replacing all chains in there respective positions and tightening guides and tensioners the engine was rotated and oddly the chain marking didn’t line up again. this makes you doubt yourself and wonder if you missed something.
    I bought an online manual for Audi 2009 A3 1.8TFSI but its not covered only 2.0TSI with cam belt.
    Regards Karl

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