2019–2024 Jeep Wrangler 3.6L Pentastar V6 Engine Repair
This page is for the JL Wrangler with the 3.6L Pentastar. The JL also offered a 2.0L turbo, 3.0L EcoDiesel, 4xe hybrid and 6.4L HEMI (392), so confirm your engine first.
At a glance
Year-specific notes
- 2019 — 2019 is the first full model year of the JL Wrangler (early JLs were sold as 2018 alongside the JK).
How to confirm your engine
- The 8th VIN digit is "G" on 3.6L Pentastar Wranglers.
- The window sticker and engine cover name the engine.
Common 3.6L Pentastar V6 failure areas in the Wrangler
Still a common leak point.
Coils, plugs and injectors.
Rocker arm and lifter wear.
Diagnostic considerations
- Misfire counters
- Oil cooler housing inspection
- Valvetrain inspection
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
Oil cooler / filter housing leaks on the Pentastar.
Misfire diagnosis on the Pentastar.
How we decide between repairing, rebuilding or replacing a 3.6L Pentastar with major internal damage.
Other Wrangler generations with the 3.6L Pentastar V6
Request a quote for your 2019–2024 Jeep Wrangler
Frequently asked questions
How do I know my Wrangler has the 3.6L Pentastar V6?
The 8th VIN digit is "G" on 3.6L Pentastar Wranglers. The window sticker and engine cover 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.