Said It Here

Can you tell if a car belt is worn from one photo?

Visual inspection from a single photo cannot determine the structural condition or internal wear of an older vehicle's belt. Without knowing the actual service history or being able to feel the depth of the grooves in person, buyers are left guessing whether surface marks are superficial or indicate an immediate risk of failure.

Overview
People affected2 accounts across 2 forums
Workarounds found5 items attempted
Community agreement4 total upvotes

What people tried

Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.

Found another way around this?

Share your steps and trade-offs so fellow engineers don't have to reinvent the wheel. No account required.

  1. 1
    Inspecting service history documents
    Did this help you?
  2. 2
    Relying on past MOT advisory notes
    Did this help you?
  3. 3
    Consulting online mechanic forums for photo evaluations
    Did this help you?
  4. 4
    Checking with a fingernail to see if it sits in the groove
    Did this help you?
  5. 5
    Inspecting for impressions versus actual cracks
    Did this help you?
Tried another approach not listed above?+ Share your workaround ↑

In their words

Unedited, grouped by where they were said, most upvoted first within each place, each linked to the thread it came from.

r/AskMechanics1 person · September 2026

“However being that it's a 16, nearly 17 year old vehicle is like some advice on the state of this belt.”source ↗

“The service history does not mention the belt being replaced”source ↗

“Any thoughts on the condition? Apologies, this is the only photo I've been able to attain from the seller.”source ↗

Sholto17 · r/AskMechanics · 2 upvotes
r/MechanicAdvice1 person · September 2026

“Do those marks looks superficial or should I get a replacement belt?”source ↗

“I've been cooking in the sun and cannot tell. I can hardly get my nail to sit in the groove, for whatever its worth.”source ↗

ChannelCharacter6910 · r/MechanicAdvice · 2 upvotes

Where this came up

People with this problem also raised