2018 Sierra Water Pump Engine Noise

[Cupton]

Wanted to share and issue and the resolution to an engine noise that I all of a sudden started experiencing a couple weeks ago. I noticed it when first starting the truck in the morning after sitting overnight. The noise was more prominent the first few minutes after starting the engine and would gradually die down, but it wouldn’t go away. I initially thought it was the serpentine belt but after ruling that out I took it to the dealer to get checked. It was the water pump going out. Luckily it was a warranty item since I’m at 49,400 miles. I’m just glad it wasn’t another issue of me bringing the truck in for a noise that stops the second it’s in the service bay. 

 

WARNING: At the time of recording this I hadn’t yet washed the winter off. It’s nice and clean now though.

 

2018 Sierra Water Pump Noise