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How to Replace timing chain on Audi A5 (8T) 2.0 TFSI 2009

Audi A5 (8T) 2.0 TFSI 2009 timing chain change instructions and replacement interval. Full guide!

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.
  • Dial gauge – No.VAS 6079.
  • Dial gauge adapter – No.T10170A/1.
  • Tensioner locking pin – No.T40011.
  • Tensioner locking tool – No.T40267.

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

  • Engine at TDC on No.1 cylinder.
  • Install dial gauge and adapter in No.1 cylinder plug hole [1] .
  • Turn crankshaft slowly to TDC on No.1 cylinder. Use dial gauge [1] .
  • Ensure crankshaft pulley timing mark aligned with timing mark on chain cover [2] .

WARNING: Crankshaft sprocket not keyed to crankshaft. Ensure crankshaft sprocket timing marks aligned [3]<1>.

  • Refit crankshaft pulley bolt with spacer.
  • Remove inlet camshaft adjuster control valve (LH thread) [5] .
  • Remove exhaust camshaft sprocket bolt and washer [4] .
  • Remove camshaft support bracket [6] .
  • Ensure camshaft sprocket timing marks aligned [7] .
  • Ensure coloured or painted chain links aligned with timing mark on each camshaft sprocket [7] .
  • Ensure balancer shaft timing marks aligned [8] .
  • Ensure balancer shaft gear timing marks aligned [9] .
  • Ensure crankshaft sprocket timing marks aligned [10] & [11] .
  • Reset tensioner:
  • Type A [12] :
    • Release locking mechanism using a suitable tool [13] .
    • Push plunger into tensioner housing [14] .
    • Insert tensioner locking pin [15] .
  • Type B [16] :
    • Release tensioner plunger retaining clip [17] .
    • Push plunger into tensioner housing [18] .
    • Insert tensioner locking tool [19] .
  • Remove tensioner locking tool or pin to release timing chain tensioner plunger [15] or [19] .
  • Tighten exhaust camshaft sprocket bolt [4] .
  • Turn crankshaft two turns clockwise.
  • Ensure engine at TDC on No.1 cylinder. Use dial gauge [1] .
  • Ensure timing mark on each camshaft sprocket positioned as shown [7] .
  • Check measurement between outer edge of raised cast section on upper chain guide and timing mark on inlet camshaft adjuster is 61-64 mm [20] & [21] .

NOTE: If measurement outside tolerance, repeat timing chain installation procedure.

  • Check measurement between inlet camshaft adjuster timing mark and exhaust camshaft sprocket timing mark is 124-126 mm [22] .

NOTE: If measurement outside tolerance, repeat timing chain installation procedure.

How to Replace timing chain on Audi A5 (8T) 2.0 TFSI 2009

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