2012 Chevrolet Suburban: Excessive oil consumption
Common wear/failure (not a recall)
Symptoms
Owners of the 2012 Suburban report: excessive oil consumption. CarComplaints.com lists 6 owner complaints, average mileage 76,500 miles.
NHTSA has 12 owner complaints for the 2012 Suburban in this area. Examples:
- NHTSA complaint ODI #11398592 (filed 03/01/2021): “Transmission failure< 150,000 miles!! well maintained. left us stranded on off ramp i-78.!!! cracked dash electrical problem. check engine light.…”
- NHTSA complaint ODI #11155625 (filed 12/03/2018): “Takata recall- engine is being replaced…”
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: add oil (2 reports) engine replacement (1 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
No sourced cost range: get a written quote after diagnosis.
Typical parts (search links, no affiliate codes)
AutoZone · O'Reilly · Advance · RockAuto
Sources
Page last updated .