When I first heard it I was concerned, now I'm used.
Quick Specs, vehicle/model: 2012 Jeep Wrangler Rubicon 2DR, price as tested: N/A.
The Pentastar V6 was designed to be Chryslers engine of the can't update nvidia drivers windows 8.1 future, meeting all foreseen.S.
With the.0:1 transfer cases churning away under our Rubicon testers, we have to be honest when we tell you that the 12s werent much different on the trail than the 11s.I had the rattle, it was repaired due to a defective part and now the rattle is gone.Low fluid levels could lead to many symptoms including the burning of fluid and slippage of gears._ 2013 2dr Rubicon, AEV.5 Control arm geometry brackets, XHD front bumper, LOD rear, LOD sliders, ProTec skids, RCV front axle shafts, Alloy chromeoly rear shafts, TKO 17"black wheels w 3157017Hankooks, Warn M8000, Viair underhood comp, Artec armor kit on front axle, Adams front.It also now has Electronic Range Select (ERS allowing the driver to select the appropriate gear for better control over the drivetrain, and the extra gear helps to lower interior noise levels on the highway.Noise not affected by temperature.At the foundation of the 60-degree Pentastar V6 is a high-pressure die cast aluminum block with cast-iron bore liner and aluminum cylinder heads.
To ensure quality, reliability, and durability, the Pentastar design went through 45,000 hours of computer analysis before the first engine block was cast.
What I don't like about the manual Trans, is how finicky it is to drive.
This is evident through changes in engine noise/pitch as the gears slip into a lower gear, awaiting sufficient pressure to shift back into the correct gear.
The Pentastar is designed to be compact and lightweight and provides motivation for a variety of vehicles in Chryslers portfolio.
I've noticed they all do this to varying degrees.If you experience any of the symptoms above, contact your mechanic as soon as possible to prevent a small problem from becoming a large one.If you notice a delay (typically.5 2 seconds) before your vehicle moves, your transmission is showing signs of response troubles.It's very subtile on mine, but it has me wondering., 11:45 AM # 25 BenoA Jeeper Join Date: Aug 2011 Location: Montreal, Qc Posts: 204 No issues, no noise except the light vibration you get if you rest your hand on the stick.Cylinder heads are made from 319 T7 heat-treated aluminum and have dual overhead camshafts with roller finger followers and independent cam phasing is used on all four camshafts.Leaking fluid is the number one reason of transmission failure.There is a TSB on this problem reported for 2008 JK models.It is a product that carries a lot of weight and responsibility within the walls of the Jeep brand.View Poll Results: 2013 JK 6-speed manual transmission "rattling" noise poll.For 2012, the last piece of the puzzle comes in to place as Chryslers newest corporate engine, the.6L Pentastar V-6, finds a home under the JKs hood.