Timing chain stretch on the 2.4L.
Inspect · Listen for a rattle and check for a check-engine light for chain codes.

What the known faults on this Chevrolet Equinox 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 2010–2017 Chevrolet Equinox is timing chain, tensioner & guides at £900–£2,400. Few cars need every repair listed here · treat £2,100–£8,350 as the full exposure if one arrived with all of them.
Timing chain stretch on the 2.4L.
Inspect · Listen for a rattle and check for a check-engine light for chain codes.
Windscreen wipers fail suddenly or move erratically due to corroded and separated ball joints in the wiper transmission linkage.
Inspect · Switch the wipers on to observe their sweep. Listen for clunking noises under the scuttle panel and gently check the wiper arms for excessive play.
Ticking noise on cold start and exhaust fumes entering the cabin due to a cracked exhaust manifold.
Inspect · Open the bonnet on a cold start, listen for a sharp ticking sound near the front heat shield, and check for a strong exhaust smell.
AC compressor failure.
Inspect · Confirm cold AC operation.
Rough idle, hesitation, and an illuminated engine management light caused by clogged or failed VVT camshaft actuator solenoids.
Inspect · Start the engine and let it idle. Feel for excessive vibration or hunting in the rev counter, and check the dash for warning lights.
2.4L Ecotec excessive oil consumption (piston rings) — can starve the engine of oil.
Inspect · Check oil level, watch for low-oil warnings, and confirm any ring/engine work.
Stalling / no-start on the 2.4L.
Inspect · Ask about any stalling history.
Massive oil leak from the rear main seal, caused by a blocked PCV orifice in the intake manifold freezing in cold weather.
Inspect · Look underneath the vehicle where the engine meets the gearbox bell housing for fresh, heavy oil dripping or thick oil residue.
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.