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How to Replace timing chain on Vauxhall/Opel Meriva A 1.4 i Twinsport

Special tools

  • Camshaft locking tool – No.KM-953.
  • Camshaft position (CMP) sensor disc setting tool – No.KM-954.
  • Crankshaft locking pin – No.KM-952.
  • Timing chain tensioner locking pin – No.KM-955-1.

General precautions

  • Disconnect battery earth lead.
  • Remove spark plugs to ease turning engine.
  • Turn engine in normal direction of rotation (unless otherwise stated).
  • DO NOT use special tools listed above to lock engine when slackening sprocket or pulley bolts.
  • 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.
How to Replace timing chain on Vauxhall/Opel Meriva A 1.4 i Twinsport
How to Replace timing chain on Vauxhall/Opel Meriva A 1.4 i Twinsport

Valve timing procedures

  • Turn crankshaft until just before TDC mark on No.1 cylinder [1] .
  • Remove blanking plug from cylinder block.
  • Slowly turn crankshaft clockwise until locking pin can be inserted in crankshaft [2] . Tool No.KM-952.
  • Insert locking tool in rear of camshafts [3] . Tool No.KM-953.
  • Install camshaft position (CMP) sensor disc setting tool [4] . Tool No.KM-954.
  • Remove blanking plug from timing chain front cover [5] .
  • Compress timing chain tensioner and lock with tool [6] . Tool No.KM-955-1.
  • If necessary, slacken bolt of each camshaft sprocket to adjust valve timing position [7] .
  • Fit new bolts to camshaft sprockets [7] .
  • Tighten bolt of each camshaft sprocket as follows [7] :

      • Stage 1 – 10 Nm.
      • Stage 2 – 50 Nm + 60°.
  • Tighten crankshaft pulley bolts to 8 Nm [8] .
  • Fit new crankshaft pulley centre bolt.
  • Tighten crankshaft pulley centre bolt [9] . Tightening torque: 150 Nm + 45°.
  • Refit blanking plug for cylinder block. Tightening torque: 50 Nm.
  • Refit blanking plug for timing chain front cover [5] . Tightening torque: 50 Nm.

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