EAT8 automatic harshness and software faults
Inspect · Test the gearbox hot and cold

What the known faults on this Peugeot 5008 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.
The single priciest documented job on the 2017–2025 Peugeot 5008 is automatic gearbox service or rebuild at £350–£3,000. Few cars need every repair listed here · treat £2,620–£11,500 as the full exposure if one arrived with all of them.
EAT8 automatic harshness and software faults
Inspect · Test the gearbox hot and cold
Camshaft chain tensioner failure on early 7mm chain designs, causing metallic rattling and potential engine failure.
Inspect · Perform a cold start with the bonnet open. Listen closely to the top of the plastic cam cover for a distinct, rhythmic metallic slapping or rattling noise during the first minute of idling.
i-Cockpit display and touchscreen faults
Inspect · Cycle every screen function
Wet belt degradation on PureTech petrol
Inspect · Demand belt change evidence and check oil condition
Rear beam bush wear on loaded family cars
Inspect · Listen for clonks and check tyre wear
Power tailgate struts weakening or hinges dropping, causing the boot lid to rub against the rear bumper.
Inspect · Cycle the power tailgate open and closed twice. Watch for shuddering on the ascent, listen for groaning motors, and check the shut lines and top of the rear bumper for paint rub marks.
AdBlue tank and pump failure causing UREA warning light and eventual non-start countdown.
Inspect · Turn on ignition without starting. Check the instrument cluster for UREA or engine management lights, and inspect the AdBlue filler cap in the boot for heavy white crystallisation.
Third-row seat mechanisms jamming or release straps snapping, preventing seats from folding flat or raising.
Inspect · Open the boot and pull the red and black fabric release straps to raise and lower both sixth and seventh seats, ensuring they lock securely into the floor without excessive force.
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.
Build a tickable checklist for the exact car in front of you, record faults with photos, and hand the buyer a report.