2014 Chevrolet Equinox: Rear main seal and engine blown
Common wear/failure (not a recall)
Symptoms
Owners of the 2014 Equinox report: rear main seal and engine blown. CarComplaints.com lists 7 owner complaints, average mileage 114,000 miles.
NHTSA has 229 owner complaints for the 2014 Equinox in this area. Examples:
- NHTSA complaint ODI #11766600 (filed 09/24/2026): “My 2014 chevy equnoix burns oil i have service this vehicle with 3 catalytic converters also 3 intake manifold caskets it's consuming oil and after oil change must keep checking the oil to add oil also fuel pump i have replace the fuel pump did not know or wa…”
- NHTSA complaint ODI #11756787 (filed 08/13/2026): “Oil consumption, took to dealer and dealer replaced parts with manufacturers replacement parts, 1 and a half year later oil consumption happened again, dealer checked 2nd time and said manufacturer will not cover 2nd time for same issue.…”
Likely causes
Sources do not establish a single root cause; diagnosis is needed. Owner-reported fixes are listed below.
Fix, in plain English
Most common owner-reported solutions on CarComplaints.com: new engine (5 reports). Check for open recalls and extended warranty coverage with a dealer before paying out of pocket.
DIY difficulty: Pro
Internal engine work (lifters, oil consumption, fuel dilution diagnosis) requires engine teardown or dealer software/tests. (Our assessment.)
Cost
CarComplaints.com owners report a typical repair cost of about $4,350 (owner-reported average, not a quote).
Typical parts (search links, no affiliate codes)
AutoZone · O'Reilly · Advance · RockAuto