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Question about head gasket failures on the Pentastar. . . . It's important to note that the 3 6 "pentastar upgrade" or "PUG" V6 in the 2018-current Wrangler JLs is not the same engine as the 3 6 "pentastar" V6 used in the 2012-2018 JK Wrangler The head gasket issues you're hearing about affect the PUG engines and not the originals I have seen the exact same posts on jlwranglerforums
techCONNECT Content - Allpar Forums *NEW FASTENER: Do not reuse these fasteners If removed, a new fastener must be installed and tightened to the proper torque specification
Parlons de la fiabilité du Pentastar 3. 6L - Allpar Forums Bonjour la famille Mopar ! J'ai lu de nombreux forums sur ALLPAR et ailleurs concernant la fiabilité du moteur 3 6L Le consensus général semble être que le moteur PUG a plus de problèmes de joints de culasse culasses fissurées par rapport à la version 2011-2017 Personnellement, entre ma
3. 6 Pentastar Cylinder Heads x 3? - Allpar Forums The underlying cause is overheating of the valve seats on cylinder #2 Fiat-Chrysler resolved the issue in mid-2013 with hardened valve guides and seats They also did their best to make it right for customers FCA extended the 3 6L Pentastar warranty to 10 years or 150,000 miles for the left cylinder heads on 2011, 2012, and some 2013 models"
Normal oil pressure? 3. 6 Pentastar - Allpar Forums our '17 Wrangler with the Pentastar shows the same thing, after a cold start the pressure is much higher than any other vehicle I've had, but then it goes down to approx 35 psi at normal temps My old '98 ZJ 4 0 idles at around 30 psi and will hit a max of 50 psi after a cold start
PSU (formerly PUG) — the Pentastar V6 engine upgrade The Pentastar upgrade engine (PUG) has cooled exhaust gas recirculation to cut knocks and reduce pumping losses A new intake manifold with longer runners boosted torque, and various changes allowed an increase in compression ratio from 10 2:1 to 11 3:1 Heads include high-tumble intake ports and shrouded combustion chambers
Pentastar Class Action Lawsuit - Allpar Forums A class action alleges the 3 6L Pentastar V6 engine found in certain 2014-2020 Chrysler, Dodge, Jeep and RAM vehicles suffers from a valve train defect