Share 'ENGINE KNOCK / REAR END WHINE'

2007 TUNDRA 5.7....Since new the engine at times sounds just like a engine running out of oil......that sound like the lifters are not pumped up with oil, but it comes out the bottom of the engine.....I have actually stopped at a red light and cut the truck off and checked the oil......FULL.....It rattles mostly when i come to a stop.......has a cold start up knock every morning .....Rear end w...