1.0 & 1.2 PureTech Engines — Wet Belt Problems, Affected Cars & Timing Chain Changeover
If you own a Peugeot, Citroën, Vauxhall or DS with a 1.0 or 1.2 PureTech engine, you’ve likely heard about the wet belt issue. This guide explains exactly which engines are affected, what goes wrong, and when the switch to timing chains happened.
The Quick Answer
- 2013–2023 PureTech engines use a wet timing belt
- 2023 onwards (new generation) use a timing chain
- Wet belts are known to break down inside the engine oil
- Failure can lead to full engine damage
What Is the 1.2 PureTech Wet Belt Problem?
The timing belt runs inside the engine oil. Over time, the rubber material degrades.
Main issue: The belt sheds particles into the oil system.
This blocks the oil pickup and causes oil starvation.
- Low oil pressure warnings
- Engine management light
- Loss of power
- Complete engine failure
This is one of the most searched engine problems in the UK right now.
Which Cars Have PureTech Wet Belt Engines?
Peugeot
- 208
- 2008
- 308
- 3008
- 5008
Citroën
- C3
- C4
- C5 Aircross
Vauxhall
- Corsa
- Astra
- Mokka
- Crossland
Other Brands
- DS Automobiles
- Jeep Avenger
- Some Toyota models
When Did PureTech Switch to Timing Chain?
| Engine Type | Timing System |
|---|---|
| 2013–2022 PureTech | Wet Belt |
| 2023+ New Generation | Timing Chain |
The switch to a timing chain was made to fix long-term reliability issues with the wet belt design.
Should You Replace Your Wet Belt Early?
Yes. Waiting is risky.
- Many failures happen before official intervals
- Oil contamination speeds up belt wear
- Repair costs can exceed £3,000+
PureTech Wet Belt Replacement Specialists
- Full wet belt replacement
- Oil system clean and inspection
- Correct oil specification used
- Experienced with high failure rate engines
At TGPP Autocare, we regularly replace PureTech wet belts and understand the common failure points.
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