Tuesday, August 19, 2008

when i start my car there is a ratteling

Question:
every now and again when i start my car there is a rattling noise coming from my engine could you tell me what this means plz

ANSWER:
99% of the time this turns out to be the catalytic converter. Either the heat shield have come apart at one of its welded corners or the inside of the converter is loose. Let it cool down before touching. You can bang on the side of it to see if anything rattles inside.

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