That sure sounds like timing chain is flopping around. Don't wait until it jumps a cog. If your not sure about doing this, take it to your friendly neighbourhood mechanic. This would be a good preventive maintenance. Check if you have the new version of chain tensioner or still have the old. New one has a bump in the middle of the bolt head.
I just removed the valve cover, tie-wrapped chain to both cam sprocket, then removed old tensioner and installed new one. Tapped the guide from inside the head to release the tensioner and cut the ties and re-installed the valve cover. It cured my initial morning start noise and I sleep better when my daughters take the car.
Can anybody help me out? Started up my 2006 today and when I shut it off, I heard a noise coming from underneath the hood. Traced the noise to this box. Can anybody tell me what this box is and what could possibly be causing this noise?
I have a 2006 Chevrolet Cobalt that I purchased with the entire ignition was torn out and push button start was installed.I lost the original transponder key and called a locksmith out to reprogram a new key but locksmith was unable to get the computer to communicate with his gaget to program my...
Hey Guys and Gals!
My 2008 Cobalt LT (2.2 motor) has been throwing a check engine light regarding the secondary air system for about a month now, Multiple codes regarding it. Valve failed or seized causing water to get to the pump which too failed.
This week, i decided to fix it, i bought a...
I have a 2010 Chevy cobalt with 217,000 miles. Yesterday I drove to a local Walmart with no issues but when I got back in my car and started it, the engine started jerking and the car shut off. I barely got it started and the check engine light was on and the engine was sluggish and it...