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Peugeot / Citroën 1.2 PureTech Timing Belt – Missing Teeth Explained

 If you own or work on a Peugeot or Citroën fitted with the 1.2 PureTech engine, this is something you must be aware of.


In this video, I strip down a PureTech wet timing belt and show a common but dangerous failure – missing teeth on the belt. This issue often goes unnoticed until serious engine damage has already started.






👉 PureTech Timing Belt – Missing Teeth & Engine Damage Explained

(Video embedded above)





Why Missing Teeth on a PureTech Belt Is So Serious



Unlike a dry timing belt, the PureTech belt runs in engine oil. Over time, oil contamination causes the belt material to soften, swell, and break down.


When teeth start missing:


  • Valve timing becomes inaccurate
  • Camshaft timing can jump
  • Engine performance drops
  • Warning lights may appear
  • Catastrophic engine failure becomes a real risk



In many cases, engines with missing belt teeth are still running, which makes this problem especially dangerous.





Common Symptoms to Watch For



If you’re diagnosing a PureTech engine, these warning signs are critical:


  • Rattling or unusual engine noise
  • Engine management light
  • Poor starting or rough idle
  • Loss of power
  • Oil pickup strainer contamination



Ignoring these signs can lead to blocked oil ways, turbo failure, or complete engine damage.





Tools, Parts & Information Used



If you’re inspecting or repairing a PureTech engine, always use correct tools and quality parts:


🔧 Timing tools, belts & engine service parts

👉 https://tidd.ly/3ND2g1w


📘 PureTech guides, PDFs & downloads

👉 https://linktr.ee/How2fixit





Final Thoughts



The PureTech missing teeth issue is not rare, and it’s not always obvious. This video shows exactly what to look for and why early inspection can save an engine.


If you’re working on one of these engines, don’t assume the belt is fine just because the engine runs.


👉 Watch the video, check the belt, and act early.


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