2014–2018 Chevrolet Silverado 1500 6.2L V8 Engine Repair
This page is for the Silverado 1500 with the 6.2L V8 (L86, Active Fuel Management). The same years were also offered with the 5.3L, 4.3L V6, so confirm your engine first.
At a glance
Year-specific notes
- 2014 — 2014 is the first year of the L86 in the Silverado 1500.
- 2018 — 2018 is the final L86 year before the L87.
How to confirm your engine
- Check the RPO sticker in the glove box for engine code L86.
- The 8th VIN digit is "J" for this engine.
- The engine cover badge and window sticker also name the engine.
Common 6.2L V8 failure areas in the Silverado 1500
AFM lifter failure on the deactivating cylinders — the most common major repair on this generation.
Sensor, pickup O-ring or internal wear; low pressure also affects AFM operation.
Direct-injection, ignition or valvetrain causes.
Diagnostic considerations
- Misfire counters by cylinder
- Oil pressure with a mechanical gauge
- Valvetrain inspection for collapsed lifters
Repair, rebuild or replace?
Many problems — a lifter, a gasket, a sensor or ignition part — can be repaired without replacing the engine. When there is internal damage we compare repair, rebuild and replacement with you, based on what inspection shows and how long you plan to keep the vehicle.
Related repair topics
Cylinder-deactivation faults on the 6.2L L86/L87.
Lifter and cam lobe damage on the 6.2L.
Oil pressure warnings on the 6.2L.
Misfire diagnosis for the 6.2L direct-injected V8.
How we decide between repairing, rebuilding or replacing a GM 6.2L with major internal damage.
Transmission behind the Silverado 1500 6.2L V8
Other engine options for the 2014–2018 Silverado 1500
These are alternative configurations of the same model year — not the 6.2L V8. Use them only if your truck has that engine.
Other Silverado 1500 generations with the 6.2L V8
Request a quote for your 2014–2018 Chevrolet Silverado 1500
Frequently asked questions
How do I know my Silverado 1500 has the 6.2L V8?
Check the RPO sticker in the glove box for engine code L86. The 8th VIN digit is "J" for this engine. The engine cover badge and window sticker also name the engine.
Should I repair, rebuild or replace the engine?
Many problems — a lifter, a gasket, a sensor or ignition part — can be repaired without replacing the engine. When there is internal damage we compare repair, rebuild and replacement with you, based on what inspection shows and how long you plan to keep the vehicle.
Can you give a price over the phone?
We diagnose before quoting because engine repair scope varies widely. Call 602-725-6800 or request a quote to get started.