What this noise usually means
What this noise usually means.
An exhaust rattle, especially at low revs or going over speed bumps, is almost always loose hardware rather than a major exhaust failure.
Common causes
Common causes.
- Loose heat shieldThin metal panel above the exhaust has come adrift; rattles intermittently.
- Worn exhaust hangerA perished rubber mount letting the exhaust knock the underbody.
- Loose exhaust bracketHardware has worked loose over time and needs re-clamping.
- Small exhaust leakHoled silencer or split flexi joint can sound like a rattle alongside a louder exhaust note.
How serious is it?
How serious is it?
Low. Annoying rather than dangerous. Worth fixing because rattles get worse with continued driving.
Can I keep driving?Yes — safe to drive. Avoid potholes and book the repair when convenient.
Typical UK repair cost
Typical UK repair cost.
£40–£240. Heat shield refit: £40–£90. Exhaust hanger or bracket: £60–£140. Silencer or section repair: £120–£240.
Prices are guides only. Individual quotes will vary by make, model, parts and labour rates.
When to contact a garage
When to contact a garage.
At your next service or sooner if the noise becomes intrusive.
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