3.6 Pentastar years to avoid

How we rated the best and worst 3.6 Pentastar years

The worst 3.6 Pentastar years are 2011, 2012, 2014 and 2017. Because the Pentastar is an engine and not a vehicle, we built the counts ourselves from NHTSA’s raw data, vehicle by vehicle, and then read the complaints to see what owners were reporting.

• Complaints: we counted unique owner complaints in NHTSA’s complaint flat file (FLAT_CMPL, downloaded October 27, 2026) that are filed under an engine component (exhaust excluded) for model years and vehicles offered with the 3.6L. Where the 3.6L was the only engine (Grand Caravan, Town & Country, Pacifica, Routan, 2012-2017 Wrangler and the Gladiator) we counted every engine complaint and dropped the few that describe the Gladiator’s diesel. Where the vehicle also came with other engines (Grand Cherokee, Durango, Ram 1500, 2018+ Wrangler, Charger, Challenger, 300, Journey, 200, Avenger, ProMaster) we only counted complaints whose text names the 3.6, the Pentastar or a V6. These are raw counts, not rates per vehicle sold, and they undercount the mixed-engine vehicles.
• Recalls: we counted the NHTSA recall campaigns that name the 3.6L engine and cover an engine or fuel-delivery defect, using NHTSA’s recalls API (accessed October 27, 2026). Recalls on other parts of these vehicles are not in the count.
• Service bulletins: we read the Chrysler (FCA/Stellantis) technical service bulletins and manufacturer communications filed with NHTSA in its TSB data files (downloaded October 27, 2026), with links to the bulletin PDFs on static.nhtsa.gov where NHTSA publishes one.

Keyword counts in this guide (for example “mentions the oil filter housing”) come from searching the complaint text, so a complaint can count toward more than one problem. Newer model years have had less time on the road to collect complaints, so their low counts are less settled. Our years to avoid methodology explains how we weigh volume, severity and mileage at failure.

Every 3.6 Pentastar model year ranked

Complaint counts are engine complaints from NHTSA’s complaint flat file, scoped as described above (downloaded October 27, 2026). Recall counts are the NHTSA engine or fuel-delivery recall campaigns that name the 3.6L for that model year (accessed October 27, 2026).

Across all years we counted 4,096 engine complaints. Of those, 124 are flagged by the owner as involving a fire and 34 as involving a crash. The Pacifica (1,328), Wrangler (960), Grand Caravan (634) and Town & Country (611) account for most of them, partly because those are single-engine vehicles where every engine complaint counts.

Most common 3.6 Pentastar problems

The 3.6 Pentastar problems that show up most in NHTSA complaints and Chrysler’s own bulletins are oil filter housing leaks, left cylinder head failures on early engines, valvetrain tick from worn rocker arms and camshafts, and stalling, which owners report most on the 2017-2018 Pacifica.

1. Oil filter housing (oil cooler) leaks

The Pentastar’s oil filter housing, which also holds the oil cooler, sits in the valley of the V6 and is made of plastic. Owners describe oil and coolant leaking down the back of the engine, a burning oil smell, and oil and coolant mixing. Complaints that mention the oil filter housing or oil cooler jump from 30 on the 2013 to 272 on the 2014, then fall to 45 on the 2015 (NHTSA complaint file, downloaded October 27, 2026).

Chrysler’s bulletin 9003357A (February 22, 2023, covering 2011-2023 Pentastar engines) is blunt about the 2014: “For all 2014MY replace the Oil Filter Adapter (OFA).” For other years it sends technicians to the latest diagnostic procedure first.

Buyer takeaway: on any 2014 Pentastar, ask whether the oil filter housing has been replaced, and look for oil or coolant in the valley at the back of the engine on every year.

2. Left cylinder head failures on early engines

Early Pentastars are the ones tied to left (driver-side) cylinder head repairs, usually with a misfire on the left bank and a tick. Cylinder head mentions in NHTSA complaints are 15 on the 2011 and 57 on the 2012. Volkswagen’s bulletin VWP-15-02 (January 13, 2015) extended the warranty on the left cylinder head for certain 2011-2012 Routan minivans with the 3.6L, the Chrysler-built van that shares the Pentastar with the Town & Country and Grand Caravan. We found no NHTSA recall for the cylinder head.

Cylinder head mentions rise again on the 2017 (67) and 2018 (88), most of them on the Pacifica, but those are a different engine version, and owners mostly describe misfires and valvetrain wear rather than the early left-head failure.

Buyer takeaway: on a 2011-2012, ask whether the left cylinder head has been replaced and get the paperwork. A persistent left-bank misfire is the warning sign.

3. Rocker arm and camshaft wear (valvetrain tick and misfire)

A ticking noise from the top of the engine is the most common Pentastar complaint that isn’t a leak. On the original engine, complaints that mention a tick, rocker arm or camshaft peak on the 2012 (68) and 2014 (77).

The Pentastar Upgrade engine has its own version. It added two-step variable valve lift with low- and high-lift intake cam lobes, according to Stellantis (then FCA US) (August 31, 2015). Chrysler’s bulletin 9100498 (February 10, 2025) covers 3.6L Pentastar Upgrade long blocks in 2016-2025 vehicles with misfire codes, rough idle or valvetrain noise. It says the condition “may be related to worn intake camshaft high lift lobe(s), and intake rocker arm(s) high lift slider” and calls it a “High mileage failure (10,000-60,000 miles)”. Dealers are told to fit a repair kit with a new intake camshaft and rocker arms rather than replace the engine. A 2023 bulletin, 9100132, tells technicians to check for collapsed intake hydraulic lash adjusters before replacing a 2022-2023 engine for a ticking noise.

Misfire mentions on the Upgrade engine peak on the 2017 (99) and 2018 (106). Bulletin 09-013-20 (December 2020) covers a separate misfire on 2020-2021 Pentastar Upgrade engines caused by spark plugs with an internal crack, and replaces all six plugs.

Buyer takeaway: listen to a cold start and idle with the hood open. A steady tick, a flashing check engine light or misfire codes on a 2016-or-later engine point to the camshaft and rocker arm repair.

4. Stalling and loss of power (2017-2018 Pacifica)

Stalling or a loss of power is mentioned in 264 complaints on the 2017 and 152 on the 2018, most of them on the Pacifica. NHTSA recall 18V-049 (Chrysler campaign U01) covers 2017 Pacificas with the 3.6L: the engine control software can lose sync with the crankshaft position sensor, which can stall the engine. The fix is a software update. Chrysler also ran a launch-time “fast feedback program” for replacing or repairing the 3.6L in the 2017 Pacifica (bulletin D-16-09, March 2016, NHTSA file 10076435), set up to “collect, monitor and correct quality issues” quickly.

Separately, recall 19V-348 covers a loose battery ground on 2017-2019 Pacificas with stop/start that can also cause a stall. It isn’t an engine defect, so it isn’t in our engine recall count.

Buyer takeaway: on a 2017-2018 Pacifica, confirm 18V-049 and 19V-348 are closed on the VIN.

5. Engine recalls by year

• 11V-487: certain 2012 vehicles with 3.6L engines built from August 31 to September 13, 2011. Debris left in the block can cause a connecting rod bearing to fail. The remedy is a replacement engine.
• 16V-814: 2016 Durango and Grand Cherokee with Saltillo-built 3.6L engines. The fuel rail crossover tube can leak fuel.
• 18V-049: 2017 Pacifica stall from crankshaft-sensor sync software (above).
• 22V-284: 2021 Durango, 2021 Grand Cherokee WK, 2022 Grand Cherokee and 2021-2022 Grand Cherokee L. The EGR valve can stick open, causing a loss of drive power.

All recall details are from NHTSA (accessed October 27, 2026). Chrysler also has a 2023 bulletin, 9100212, with an inspection procedure for suspected water pump coolant leaks on 2016-2024 Pentastar Upgrade engines.

Which 3.6 Pentastar years should you avoid

The 3.6 Pentastar years to avoid are 2011, 2012, 2014 and 2017. The 2011-2012 engines are the ones tied to left cylinder head repairs, and the 2012 model year has the rod bearing recall. The 2014 model year has the oil filter housing problem at a scale no other year comes close to, and Chrysler’s own bulletin treats every 2014 housing as one to replace. The 2017 model year has the most engine complaints of any year (673), driven by the first-year Pacifica (NHTSA, accessed October 27, 2026).

Worst 3.6 Pentastar years: 2011, 2012, 2014, 2017

Original 3.6 Pentastar (2011-2015)

The original engine went into almost everything Chrysler sold from 2011: minivans, the Wrangler from 2012, the Grand Cherokee, Durango, Charger, Challenger and 300, and the Ram 1500 from 2013. The 2013 model year sits between the bad years on either side: it has fewer complaints than the 2012 or 2014 (371), but stalling and power-loss mentions (162) are still high. The 2015 model year is the best of the original-engine years in our data (276 complaints).

Pentastar Upgrade (2016 onward)

The Pentastar Upgrade debuted in the 2016 Grand Cherokee and spread to the rest of the lineup over the next few years. FCA US said it added two-step variable valve lift, cooled exhaust gas recirculation and torque-driven cam phasing (Stellantis media, August 31, 2015). The 2017 and 2018 Pacifica account for most of this engine’s complaints, and the intake camshaft and rocker arm wear in bulletin 9100498 is specific to the Upgrade’s high-lift cam profile.

What are the best 3.6 Pentastar years to buy

The best 3.6 Pentastar years to buy are 2020, 2023 and 2024. They are Pentastar Upgrade engines with the lowest complaint counts in our data, and none of them has an engine recall.

Most reliable 3.6 Pentastar years: 2020, 2023, 2024

Two caveats. First, the camshaft and rocker arm bulletin 9100498 covers Pentastar Upgrade engines from 2016 to 2025, so no recent year is immune to it. Second, the 2023 and 2024 model years have had fewer years for problems to show up and be reported. The 2019 (146 complaints) and 2022 (94) are also reasonable buys if the price is right.

3.6 Pentastar years to avoid by vehicle

The engine’s weak years don’t hit every vehicle equally. These are the patterns in our complaint counts (NHTSA, downloaded October 27, 2026):

• Chrysler Pacifica: the 2017 (536 engine complaints) and 2018 (381) are the ones to avoid; complaints fall to 86 on the 2019. See our Chrysler Pacifica years to avoid guide.
• Jeep Wrangler (JK): the 2014 model year has the most Wrangler engine complaints (329), followed by the 2012 (176). See Jeep Wrangler years to avoid.
• Dodge Grand Caravan and Chrysler Town & Country: the 2011-2014 vans carry most of their engine complaints, peaking at 154 on the 2014 Town & Country. See Dodge Grand Caravan and Chrysler Town & Country.
• Jeep Gladiator: 43 engine complaints on the 2020 and 49 on the 2021 gasoline models. See Jeep Gladiator years to avoid.
• Jeep Grand Cherokee, Dodge Durango, Ram 1500, Charger, Challenger and 300: these were sold with other engines too, so our counts only include complaints that name the V6 and are lower. Check the 2016 fuel rail recall (Grand Cherokee, Durango) and the 2021-2022 EGR valve recall. See Jeep Grand Cherokee, Dodge Durango, Ram 1500, Dodge Charger, Dodge Challenger and Chrysler 300.

3.6 Pentastar pre-purchase checklist

Before you buy a used vehicle with the 3.6 Pentastar, check:

• Run the VIN on NHTSA’s recall checker: 11V-487 (2012), 16V-814 (2016 Grand Cherokee and Durango), 18V-049 and 19V-348 (Pacifica) and 22V-284 (2021-2022 Grand Cherokee and 2021 Durango) should show as complete where they apply.
• Look at the oil filter housing: with the engine cover off, check the valley at the back of the engine for oil or coolant, and ask whether the housing has been replaced (especially on a 2014).
• Listen to a cold start: a tick from the top of the engine that doesn’t fade can mean worn rocker arms, camshafts or lash adjusters.
• Scan for codes: misfire codes (P0300-P0306) or cam timing codes are a reason to walk away or negotiate a repair.
• Check the coolant level and color: low coolant or a milky film can point to the oil cooler or water pump.
• Get the service records: ask for regular oil changes and any engine work done under a bulletin, and get a pre-purchase inspection.

Better alternatives to consider

If the Pentastar vehicle in your budget is a 2014 or 2017, or the service history is unclear, consider these instead:

• Toyota Sienna - the minivan alternative to the Pacifica and Grand Caravan, with its own year-by-year issues to check
• Honda Odyssey - another V6 minivan that is easy to find used
• Toyota 4Runner - a body-on-frame alternative to the Wrangler and Grand Cherokee
• Ford Bronco - the closest new-era rival to the Wrangler, with its own engine recall to check

Is the 3.6 Pentastar a good engine

Yes, in a later year with a clean history. Skip the 2011-2012, 2014 and 2017 unless the known repairs are documented. The Pentastar’s problems are well understood: the oil filter housing, the early left cylinder head, and camshaft and rocker arm wear on the Upgrade engine. Each one has a dealer fix and a sign you can check for before you buy. Our counts are raw complaint totals, not failure rates, and the Pentastar went into a very wide range of high-volume vehicles, so a high count partly reflects how many are on the road.

Frequently asked questions

What are the worst 3.6 Pentastar years

The worst 3.6 Pentastar years are 2011, 2012, 2014 and 2017. The 2017 model year has the most NHTSA engine complaints of any year (673, accessed October 27, 2026), the 2014 model year has 272 complaints mentioning the oil filter housing or oil cooler, and the 2011-2012 engines are tied to left cylinder head repairs.

What are the best 3.6 Pentastar years

The best 3.6 Pentastar years are 2020, 2023 and 2024. They have the lowest engine complaint counts in our data and no engine recalls, though the 2016-2025 camshaft and rocker arm bulletin still applies to them.

What year did the 3.6 Pentastar have oil filter housing problems

Oil filter housing complaints peak on the 2014 (272 mentions in NHTSA engine complaints) and are far lower in other years. Chrysler’s bulletin 9003357A tells dealers to replace the oil filter adapter on every 2014 model year engine that comes in with the problem.

What is the 3.6 Pentastar tick

On the Pentastar Upgrade (2016 onward), the tick is usually worn intake camshaft high-lift lobes and rocker arm sliders. Chrysler’s bulletin 9100498 describes it as a high-mileage failure at 10,000 to 60,000 miles and supplies a camshaft and rocker arm kit. On 2022-2023 engines, bulletin 9100132 points first to collapsed intake lash adjusters.

Did the 3.6 Pentastar have a recall

Yes, several, but we found none for the oil filter housing or cylinder heads. Recall 11V-487 replaced 2012 engines built in a two-week window for a rod bearing defect, 16V-814 fixed a fuel rail leak on 2016 Grand Cherokee and Durango, 18V-049 updated 2017 Pacifica software to stop stalling, and 22V-284 covers a sticking EGR valve on 2021-2022 Grand Cherokee and 2021 Durango.