A leading engine builder has charged that Chrysler’s 3.7-liter V6, 4.7-liter and 5.7-liter V8 engines are fatally flawed, leading to catastrophic failure shortly after the warranty expires. The engines are shared by the Chrysler Group’s recent powerplants in the Durango, Dakota, Ram, Charger, Chrysler 300, Jeep Grand Cherokee and Jeep Liberty. A new or rebuilt engine is a significant expense for an owner that loves his or her car – why are such devastating events occurring at only 75,000 miles? According to Powertrain Products (PP), a leading supplier of used, rebuilt and surplus engines, the reasons are twofold and caused by simple design flaws. Faulty valve seats According to the engine company, the original Chrysler design presses the valve seats into the cylinder heads. The problem results when the powdered metal the valve seats are made of expands, causing it to drop into contact with the valve and pistons, which leads to catastrophic failure. In this process the seat breaks into many pieces causing deterioration of the piston, cylinder wall, valve and cylinder head. This metal can even get into the intake manifold – if not cleaned properly, it can lead to a failure in replacement engines. Piston ring landings Again according to PP, a flaw in the engineering of the piston ring landings results in the engines running much hotter than they should. Coupled with what they call overly small drain holes in the heads and block, this overheating breaks down new oil, leaving sludge in the engine, ultimately blocking it. Consequent oil-starvation can lead to engine block seizure. That being said, PP has a vested interest in convincing owners of Chrysler products that the engine is flawed. The Maryland based firm is willing to correct the problems they have identified for $1,500. On the other hand, if they are right in their assessment, that’s considerably cheaper than a new engine. "Engine problems are showing up in Dodge/Chrysler cars at about the 75,000 mile reading,” said Eddie Symonds, CEO of Powertrain Products. “Let's face it, everybody expects the engine to run smoothly for at least 200,000 miles, which it doesn't. We consider this as a very early failure." Notably the firm makes identifying automakers flawed engines and undoing the mistakes their business. They also specialize in repairing flaws in the Ford 5.4-liter V8 in the F-series and Mazda 2.3-liter engines used in Mazda 3 and 6 models. "We are not another corporate-monster," Symonds added. "We strive to help our customers to get back up and running as soon as possible." In the response to a recent NHTSA recall letter to Chrysler, the auto group stated: “Chrysler Group stands behind the quality and safety of its vehicles. It conducts voluntary recalls when they are warranted, and in most cases, before any notice or investigation request from NHTSA. “Customers who have questions or concerns can call the Chrysler Group’s customer care line at 1-800-334-9200.” The article only references the Durango, Dakota, Ram, Charger, Chrysler 300, Jeep Grand Cherokee and Jeep Liberty- not the Challenger. BS, overblown, or something to worrry about?? http://www.torquenews.com/397/two-fatal-flaws-ruining-chrysler-engines-catastrophic-breakdowns
I'm worried. I'd love to take a look at the data they looked at to come to the conclusion these engines are failing. How are these engines used, for example? What kind of care do they have?
What a nice guy to offer to fix all of Chryslers "flawed" engines for the mere pittance of $1500.00 per unit. I have a friend who has over 100K on his Challenger R/T auto and roughly 250 passes piled on top of that. I've seen more problems with timing chains snapping because of the MDS than other failures. Sure, you add too much boost or add NOS to a stock cast piston and the ring lands go bye bye.
This guy is so full of shi- I can smell him from here. 06 300C been raced at the track since new and has 140,000 miles on it and runs like new. These guys are trolls and want to scare you. The 5.7 was rated as one of the 10 best engines in the world a number of times by wards.http://wardsauto.com/news-amp-analysis/ward-s-announces-2009-10-best-engines-winners. This is just one year it won the award.
The v6 had a problem with just the left side head, Chrysler extended the warranty, believe the 2011 and later do not have this problem. The 5.7 Sutos with mds just had a recall to replace timing chain, guide and tensioner, had mine done a week after the recall was announced. I just stopped to schedule, service writer said they had one kit and no one else scheduled, chauffered me home (3 miles) and finished the next afternoon.
