Metal on metal scrubbing noise around water pump area
2004 CHEVROLET TRAILBLAZER
160 MILES • 4.3L • V6 • 2WD • AUTOMATIC
CRAZY4ACHEVY
MEMBER
1 POST
FOLLOW
Fan still runs and truck doesn't overheat. But noise is more frequent and getting louder.Clutch or water pump?
Jul 13, 2019 at 1:04 PM
Advertisement
SCGRANTURISMO
CERTIFIED EXPERT
4,897 POSTS
Hello,
This could be a problem with your timing chain or the timing chain tensioners. In the diagrams down below i have included a guide on how to check and remove and install the timing chain tensioners. Please go through this guide and get back to us with what you are able to find out.
Thanks,
Alex
2CarPros
Images (Click to enlarge)
Jul 13, 2019 at 1:24 PM
CRAZY4ACHEVY
MEMBER
1 POST
Thank you for your response.
Jul 15, 2019 at 11:02 AM
Advertisement
STRAILER
CERTIFIED EXPERT
53,854 POSTS
Can you please shoot a quick video with your phone so we can hear the noise? that would be great. You can upload it here with your response. I have seen fan clutches cause this problem but I want to be sure.