SnowdoniaDiscussion starter. 18 posts · Joined 2013. #1 · Sep 2, 2014. Hi - strange noises from the suspension (I think). Pressing the brake fairly firmly when moving forward produces a "clunk" sound. (doesn't happen in reverse though). Seems to be similar to the clunk (from the front I think) when going up something like a speed bump. Camshaftand/or lifter wear. I have a 2012 Chrysler 300 SRT 8, 70,000 miles. About a year ago the CEL came on. Codes were for bank 2 position 1 and bank 2 position 2 O2 sensor. Replaced upstream sensor first. 6 weeks, or 2 months later CEL came back on. Bank 2 position 2 O2 sensor. Replaced downstream sensor. Problem fixed until 2008Jeep GC SRT8 - Custom Build/Custom Delivered by SRT - 1 of 1 in Canada 2012 JK Rubicon U - 2 1/2" lift, flares, Fox Shoks, Mickey Thompson Baha MTZ P3 35's, JW Speaker LED 8700 Evolution J Join the 300c forum community to discuss the Chrysler 300c, SRT8, horsepower specs, AWD system and so much more! Full Forum 2017RT w/ STP: active exhaust / mopar cai / SRT anti spin diff (3.09) / mopar coilover kit / mopar sway bar kit / bwoody endlinks / mopar slotted rotors / red stuff pads / steel brake lines / black RT caliper covers / full billet and moroso under hood kit / catch can "We sleep soundly in our beds because rough men stand ready in the night to Watchout for a Chrysler 300C that has been customised to the max as it may have been driven hard to prove some sort of a point. Then again, many are used only as cruisers. Uneven tyre wear is probably a sign of hard driving, perhaps even burnouts or doughnuts. Check inside the wheel wells for evidence. Thisarticle is about the 2009 Challenger bought for Walter White Jr. in "Cornered". For the 2012 Challenger bought for Walter White Jr. in "Fifty-One", see 2012 Dodge Challenger SRT-8. The 2009 Dodge Challenger is Walt Jr.'s first car and the first of two Dodge Challenger that Walter purchased for his son. On a whim, Walter White buys Walter TheStreet and Racing Technology (SRT) performance engineering team builds upon the all-new 2011 Chrysler 300 sedan already executed for a world-class luxury pxXgsgD.