Ticking or rattling noise from the timing belt area during cold starts due to hydraulic tensioner failure.
- Typically appears
- 70,000-100,000 miles
- What to inspect
- Start the engine from cold with the bonnet open. Listen near the offside front wheel arch for a distinct metallic rattle that fades as the engine warms.
- Typical repair
- Timing / wet belt kit + water pump · £450–£1,100
