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

Citroen

Special tools

  • Crankshaft pulley holding tool – No.C.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 (CFA Engine)
  • Removal/installation of timing chain requires:
      • Engine removal.
      • Sump removal.
  • Ensure camshaft sprocket timing marks at 12 o’clock position [1] [2] : If not, turn crankshaft pulley 360°.
  • Lock tensioner in retracted position:
      • Lift pawl upwards [3] .
      • Push plunger [4] through tensioner body in direction of arrow.
      • Push pawl downwards [5] .
      • Lock tensioner in retracted position with pin [6] .
  • Ensure yellow coloured chain link aligned with timing marks on crankshaft sprocket [7] .
  • Ensure orange coloured chain links aligned with timing mark on each camshaft sprocket [1] [2] .
  • Remove pin [6] to release timing chain tensioner plunger [5] .

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