Engine Exhaust System Problems of Dodge Challenger

While driving about 10 mph, the steering wheel and the fuel pedal vibrated without warning. The vehicle was taken to the crown Chrysler Dodge Jeep ram fiat dealer (844-921-6030, located at 2120 chapman rd, chattanooga, TN 37421) where the technician performed a wheel balancing. The failure recurred and the vehicle was taken back to the same dealer. The technician rotated the tires. The failure recurred the vehicle was taken back to the dealer and all four tires were replaced. The contact stated that the steering wheel vibration seized. However, the fuel pedal continued to vibrate. Additionally, the front driver's door did not unlock. The vehicle was taken back to the same dealer where the lock component was replaced. The vibration of the fuel pedal recurred. The vehicle was taken back to the same dealer where the engine, the exhaust system and the transmission were dismantled and re positioned. The contact stated that the vehicle continued to vibrated. The contact called the manufacturer and requested a buy back. The manufacture stated that the dealer assured that the failures were remedied. The contact stated that the failure recurred and smoke emitted from the front end of the vehicle. The vehicle was taken back to the same dealer where the technician replaced the o-ring and the oil filter. The contact stated that the vehicle was not completely repaired. The failure mileage was not provided. Fe.

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I was traveling at 65 mph on 4 lane interstate highway. Was on a bridge with no shoulder. Engine suddenly lost all power. Vehicle was coasting and slowing down rapidly. Cars behind me were hitting the brakes to avoid rear-ending my vehicle as I attempted to make my way to the shoulder. Once across bridge, I pulled to the shoulder. Engine would turnover but would not start. Towed to Dodge dealership. Dealer diagnosed problem as broken timing chain, which caused camshaft to stop turning. Three exhaust valves were thus held open while the crankshaft continued turning, causing pistons to hit valves, bending valves and denting piston tops near edge of piston. Complete new engine required. Chrysler corporation is not forthcoming with an explanation for failure or a corrective action. There is no service bulletin per the dealer. I looked online at Dodge Challenger user forums, and found dozens of owners had experienced identical problem: at 35,000-45,000 miles, Dodge Challenger 5. 7 l hemi with automatic transmission and mds (multiple displacement system) cylinder cutout activated, suddenly lost all power due to broken timing chain. This is obviously a design flaw that is a safety issue. The NHTSA should compel Chrysler corporation to develop a corrective action and recall all Dodge Challenger vehicles with 5. 7 l hemi engine immediately.

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