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How to Replace timing chain on Citroen C1 1.0 B0 (CFB Engine)

Special tools

  • Crankshaft pulley holding tool – No.0132.AA.

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.

Valve timing procedures

How to Replace timing chain on Citroen C1 1.0 B0
How to Replace timing chain on Citroen C1 1.0 B0
  • Removal/installation of timing chain requires:
      • Sump removal.
  • Turn crankshaft clockwise until crankshaft timing mark aligned with pointer [1] .
  • Ensure camshaft adjuster timing mark at 12 o’clock position [2] .
  • Ensure camshaft sprocket timing mark at 12 o’clock position [3] .
  • Align yellow coloured chain link with crankshaft sprocket timing mark [4] .
  • Align orange coloured chain link with timing mark on camshaft sprocket [5] .
  • Align orange coloured chain link with timing mark on camshaft adjuster [6] .
  • Reset timing chain tensioner [7] .
      • Lift pawl upwards [8] .
      • Push plunger into tensioner body in direction of arrow [9] .
      • Push pawl downwards [10] .
      • Retain in position with suitable pin [11] .
  • Remove pin to release timing chain tensioner plunger [11] .
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