EngineHigh
2.3 petrol timing chain stretch
Timing chain, tensioner & guides£900–£2,400
Inspect · Listen for a rattle on cold start
2007–2012 Mazda CX-7 · common fault repair costs
What the known faults on this Mazda CX-7 typically cost to put right at a UK independent garage · use the figures to price risk before you bid, and to justify a reduction when something shows up on inspection.
Cost at a glance
- Most expensive fault
- £900–£2,400
- Top three risks, from
- £2,100
- Worst case, everything
- £10,900
The single priciest documented job on the 2007–2012 Mazda CX-7 is timing chain, tensioner & guides at £900–£2,400. Few cars need every repair listed here · treat £2,850–£10,900 as the full exposure if one arrived with all of them.
Cost per fault
EngineHigh
2.3 turbo petrol turbocharger failure and oil consumption
Turbocharger replacement£750–£2,200
Inspect · Check for blue smoke and oil level
DrivetrainMedium
Four-wheel-drive transfer box leaks
Driveline / differential repair£450–£1,800
Inspect · Look for oil under the middle of the car
BodyMedium
Rust on rear arches and subframes
Body & corrosion repair£250–£1,800
Inspect · Inspect underneath
EngineHigh
2.2 diesel injector and DPF problems
DPF forced regen or replacement£250–£1,600
Inspect · Listen for rough idle and check for warnings
SuspensionLow
Front suspension bush wear
Suspension refresh (per axle)£250–£1,100
Inspect · Listen for knocks over bumps
Ranges are indicative parts-and-labour costs at a UK independent garage, inclusive of VAT. Franchised dealers typically sit 40–80% higher, and prestige or electrified variants sit at the top of each band. Always get a written quote before committing.
Inspecting a Mazda CX-7 this week?
Build a tickable checklist for the exact car in front of you, record faults with photos, and hand the buyer a report.