When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
when its cold out and my engine first starts up, i get a slight ticking noise but once the car heats up, it stops. i figure this is a slight hole in the manifold and it closes up when the metal heats up an expands? is this bad or can it do any further damage?