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

Citroen

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
  • 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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