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

Audi A5 (8T) 2.0 TFSI 2009 cambelt change instructions and replacement inteval. 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 belt on Audi A5 (8T) 2.0 TFSI 2009
How to Replace timing belt on Audi A5 (8T) 2.0 TFSI 2009

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