Thread: 5.7 Hemi Problems?
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02-13-2015 08:40 AM #1
5.7 Hemi Problems?
Just caught a BangShift announcement saying that Chrysler has issued a recall on a bunch of 5.7 Hemi cars running automatics. From BangShift -
Here’s what you need to know: while the year range is pretty sketchy and could potentially affect the entire model run, generally 2009-12 Chrysler LX/LY cars with the 5.7 Hemi V8 and automatic trans are affected. If your Challenger is a six-speed, you are fine. During MDS (cylinder deactivation) operation at freeway speeds, for reasons that still elude Chrysler/FCA Powertrain engineers, the timing chain can break. We don’t need to tell you what happens next, and because the 5.7 is an interference engine, bent valves are pretty much guaranteed and piston damage is likely. And that doesn’t account for whether or not the timing chain guide shoe or tensioner fails, at which point there’s a possibility of fragments being introduced into the oil supply.Last edited by rspears; 02-13-2015 at 08:51 AM. Reason: Recall is real....
Roger
Enjoy the little things in life, and you may look back one day and realize that they were really the BIG things.
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02-14-2015 06:07 AM #2
THIS is how "fragments being introduced into the oil supply" should happen!Your Uncle Bob, Senior Geezer Curmudgeon
It's much easier to promise someone a "free" ride on the wagon than to urge them to pull it.
Luck occurs when preparation and opportunity converge.
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02-14-2015 06:22 AM #3
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02-15-2015 08:38 AM #4
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02-15-2015 09:17 AM #5
Ken Thomas
NoT FaDe AwaY and the music didn't die
The simplest road is usually the last one sought
Wild Willie & AA/FA's The greatest show in drag racing
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02-14-2015 08:05 AM #6
Notice he's looking down thinking, "whew, it's still there!"
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02-14-2015 08:33 AM #7
He didn't move more than 10 feet or so when the whole bottom end blew out and I was sitting to his left in the pit stands.Ken Thomas
NoT FaDe AwaY and the music didn't die
The simplest road is usually the last one sought
Wild Willie & AA/FA's The greatest show in drag racing
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02-14-2015 12:16 PM #8
Look's like I traded that Hemi in, just in time then.
We managed to get a couple of other small things taken care of. One was blacking out the front of the core support. When the sun hit the front of the car just right that green paint on the core...
1968 Plymouth Valiant 1st Gen HEMI