car makes humming/squealing noise after getting WD-40 on the timing belt?

2003 MITSUBISHI GALANT
135,000 MILES • 2.4L • 4 CYL • 2WD • AUTOMATIC
Avatar
JACOBPAULSEN
  • MEMBER
  • 64 POSTS
I accidentally got wd-40 on the timing belt now it makes this lovely sound.
Nov 21, 2022 at 9:23 AM
Advertisement
Avatar
JACOBANDNICKOLAS
  • Experienced Mechanic
  • 110,240 POSTS
Hi,

Are you certain that is the timing belt? It has teeth that prevent it from slipping, and that sounds like a belt slipping.

I can't tell in the video, but do you have the accessory drive belts on the vehicle?

Let me know.

Joe
Nov 22, 2022 at 12:34 PM
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 Free Question
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.