Sunday, May 30, 2021

SLK320 Ticking engine noise?

looked at an '02 slk320 my friend wants to buy ... cold engine... start it.. very loud and noticeable 'ticking' noise from one side of engine. revving it.. got a bit quieter... at one point went away... didnt drive car but idled it until warmer... and noise still present.. temp... 32F or so.. worst case - what could this be? valve issue? best case -??
looked at an '02 slk320 my friend wants to buy ... cold engine... start it..

very loud and noticeable 'ticking' noise from one side of engine. revving it.. got a bit quieter... at one point went away...

didnt drive car but idled it until warmer... and noise still present.. temp... 32F or so..

worst case - what could this be? valve issue?

best case -??

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