The serpentine belt tensioner a big pulley is not turning?

2004 CHEVROLET SILVERADO
230,000 MILES • 6.6L • V8 • 4WD • AUTOMATIC
Avatar
JJ2SHARP
  • MEMBER
  • 1 POST
Below serpentine belt tensioner a big pulley isn't turning?
May 8, 2023 at 5:27 AM
Avatar
STRAILER
  • ✓Experienced Mechanic
  • 55,542 POSTS
Going to need more details, an image or something to go on. I have uploaded some images for the belt systems so it can make it easier for you to identify. Check out the images (below). Let us know what happens and please upload pictures or videos of the problem so we can see what's going on.
Images (Click to enlarge)
Attached Media
Attached Media
Attached Media
Attached Media
May 8, 2023 at 10:43 AM
🔧 Tools & Auto Repair Parts
Find automotive tools, diagnostic equipment, and replacement parts for your next repair.
Shop on Amazon →
Paid affiliate link. As an Amazon Associate, we earn from qualifying purchases.
Add a reply
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.

Ask a new question

Frequently Asked Problems for This Vehicle