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Discussion Starter #1
I recently installed new rings in my CL 350 while installing the cam I ran into a problem I have the timing marks right but when I rotate the engine it seems the timing chain jumps or makes a popping noise, the top up the chain is tight but the bottom is loose. any ideas ?
 

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If you don't have the cam chain tensioner installed and properly adjusted - assuming the top cover is still off the engine and you're seeing what you're describing - and you did not replace the cam chain, then it likely has a fair amount of slack in it. If so, and you continue to rotate the engine without adjusting it, the cam timing could jump a tooth and you might be at risk of bending a valve
 

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Discussion Starter #3
If you don't have the cam chain tensioner installed and properly adjusted - assuming the top cover is still off the engine and you're seeing what you're describing - and you did not replace the cam chain, then it likely has a fair amount of slack in it. If so, and you continue to rotate the engine without adjusting it, the cam timing could jump a tooth and you might be at risk of bending a valve
Thanks Jim
 
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