EngineCritical
AFM/DFM lifter failure with tick and misfire.
- Typically appears
- 80,000+ miles
- What to inspect
- Listen for lifter tick and scan for misfire codes.
2015–2020 Chevrolet Suburban · common problems & known faults
The 11th-gen Suburban shares the 5.3L V8 with the Tahoe, so the AFM lifter and oil-consumption checks are identical.
Compiled & reviewed by the VehicleFaults Research Team · last reviewed July 2026
Quick answer
The most commonly reported faults on the 2015–2020 Chevrolet Suburban are AFM/DFM lifter failure with tick and misfire, Oil consumption from AFM cylinders and Automatic shudder / harsh shifts. Of the documented issues, 1 rated critical and 1 rated high · these are the ones worth inspecting first. Full inspection points, onset mileage and what to check are listed below.
Reliability snapshot
Based on the documented faults on this page for the Chevrolet Suburban.
6.2/ 10
- Critical
- 1
- High
- 1
- Medium
- 1
- Low
- 1
Guidance only · reflects reported patterns, not a specific car's condition.
Known faults to check
EngineHigh
Oil consumption from AFM cylinders.
- Typically appears
- 70,000+ miles
- What to inspect
- Check oil level and top-up history.
TransmissionMedium
Automatic shudder / harsh shifts.
- Typically appears
- 90,000+ miles
- What to inspect
- Feel for shudder on light throttle.
HVACLow
Rear climate and blend-door faults.
- Typically appears
- Age-related
- What to inspect
- Test front and rear climate zones.
Inspecting a Chevrolet Suburban?
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Check this exact carFrequently asked questions
Is the Suburban reliable?
Durable overall, but budget for the 5.3L AFM lifter risk.
How much to fix lifters?
Lifter and cam repairs are labour-intensive and can run into thousands; check history.
Is the Suburban good for towing?
Yes — strong ratings; confirm the tow package and cooling.
Sources & further reading
Faults are compiled from documented recalls, technical bulletins, owner reports and mechanic sources, then reviewed for accuracy. This is guidance only · not a substitute for a professional inspection.