5 minutes after i start the car i hear slight rattling in the engine sometime on 2000 Lincoln Town Car

It doesn,t rattle all the time sometime it will rattle and some not

by in Los Angeles, CA on January 04, 2012
2 answers
ANSWER by on January 04, 2012
After it kicks into low idle, the vibration of your car changes and you are probably hearing the heat shield on the catalytic converter shaking. Probably broke a weld with age but, this is not a serious prob. just annoying. You can get it rewelded on at a shop.
ANSWER by on January 07, 2012
Without the benifit of hearing the noise it would be guessing. Could be a timing chain tensioner losing oil pressure. Common problem.

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