If the steering in your truck is getting loose, you might need to replace your idler arm or your pitman arm (or both). We'll show you how to replace them. If the steering in your truck is getting loose, you might need to replace your idler arm or your pitman arm (or both).
Ammonites are the most widely known fossil. They are cephalopods  and first appeared in the seas 415 million years ago, in the form  of a straight shelled creature known as â¦ Bacrites. They do not have  legs.
Dinosaurs lived from the Triassic to the Jurassic to the Cretaceous, which means that they lived in an entire era called the Mesozoic. Dinosaurs lived 230-65 million years a â¦ go. In the Mesozoic era.inosaurs existed from roughly 220 to 65 million years ago. The first Homo sapiens (modern humans) came into existence 250,000 years ago. This would mean that dinosaurs preceded humans by over 64 million years.