4.6 Timing Chain Noise
4.6 Timing Chain Noise . Web i have a 2001 f150 super cab, 4.6 188k on clock. Was not sure what the problem was until about five days ago. 4.6 timing chain replacement... Slack on pass side? (Pics) Ford F150 from www.f150forum.com The noise should go away in a few seconds. Web crown vic timing chain noise. It used to only be audible on a cold startup, but now you can hear it all the time so who knows how much longer this thing has.