Why does my truck squeak when its running?
Why does my truck squeak when its running? The most common serpentine belt problems include: Worn/Cracked Serpentine Belt – Serpentine belts have grooves which fit into grooves in the pulleys. Over time, the friction wears down these grooves, resulting in a loose fit. A worn belt can, therefore, begin to slip, which is one of the causes the squeal. When does the belt squeak on a Silverado? Motodeficient wrote: I've got an 09 Silverado 4.3 with just over 30k on the clock. I got it last November. Shortly after, the belt started to squeak when the engine was cold, and...