Overall, the Pentastar V6 has proved to be a solid and reliable engine. While FCA has had quality issues in other areas, the success of the Pentastar has been for good reason. I've also seen some rocker arm and valve spring breakage on youtube.

The 3.6L Pentastar V6 for three years in a row was among the top ten engines in the US market.

On the forums, one master technicians wrote in 2012: “[The main issue we’ve seen] is the exhaust cam phasers on the early 2011 releases.

After Chrysler replaced the cylinder heads on 7,500 vehicles equipped with the Pentastar V6 back in 2012, the automaker announced it will extend the warranty coverage on each and every car fitted with the 3.6-liter six-cylinder to 10 years or 150,000 miles, whichever comes first.Further more, the auto manufacturer still doesn't want to issue an official recall and replace the badly designed cylinder heads of the thousands of cars affected. All four camshafts come with torque-actuated phasers. The revised engine now has a two-stage variable valve lift (VVL). The Ram owner called Chrysler and filed a complaint, but several customer service representatives told him the van wasn't on the extended warranty list.

The repair shop told the plaintiff to take the ProMaster to the Chrysler dealership because the repairs would be covered under an extended warranty issued because of ticking engines. Pentastar V6 engines are very popular both in the United States and beyond. The van allegedly wasn't covered by the "Pentastar tick" extended warranty because the Ram vehicle identification number (VIN) was not listed on the warranty chart. All it did was set a DTC [check engine light], no performance issue. The dealership allegedly performed a leak test on cylinder #6 and found the exhaust valve was leaking and recommended replacing the entire left cylinder head, gasket, cams, lifters and rockers for a cost of $3,930. If they had serious reliability problems like connecting rods giving it up, cams wiping, ect.. because of "quality" or design, I …

The Chrysler Pentastar engine family is a series of aluminium (die-cast cylinder block) dual overhead cam 24-valve gasoline V6 engines introduced for model-year 2011 Chrysler, Dodge and Jeep vehicles. All vehicles with 2011-13 model year 3.6L Pentastar engines have extended engine warranty on the left side cylinder head to 10 years or 150,000 miles. The intake valve is a single-piece design, made of forged heat resistant (martensitic) steel; intake valve diameter is 39 mm.

Unfortunately, the manufacturer was forced to install a cooled exhaust gas recirculation (EGR) system. The intake and exhaust camshafts are chain-driven (there is a separate timing chain for each head). There are forged steel connecting rods, the nodular iron crankshaft, and cast aluminum pistons with low-friction rings and reduced skirt area for less weight and friction as well.

The variable valve timing (VVT) system was recalibrated.

are trademarks of Autobeef LLC, All rights reserved. The left side cylinder head problem had been found in about 0.5% percent of 2011-13 vehicles with 3.6-liter V-6 Pentastar engines.

The 2011 to mid-2013 model Pentastar 3.6L engines were known to have cylinder head problems that affected the left bank, which contained cylinder number two. This arrangement has significantly reduced the level of vibration and noise.

Despite that they had some issues early on, the 3.6L V6 Pentastar is a great engine, one of the most reliable engines available on the market right now. Cylinder head failures (to mid-2013) In 2012, dealers started to report that some V6 engines had cylinder head failures; the main issue seems … Cylinder heads feature high-flow intake and exhaust ports, and an integrated exhaust manifold.
In 2016, FCA released upgraded Pentastar engine family and a new version of the 3.6L V6 for the Jeep Grand Cherokee and Dodge Durango.


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