---
title: 'Valve Chatter Marks: Causes & Fixes'
url: 'https://valverefacer.com/valve_chatter'
markdown: 'https://valverefacer.com/valve_chatter.md'
date: '2026-09-24'
description: 'What causes chatter marks on a refaced valve and how to stop them: dull or loaded wheels, loose adjustments, chucking, feed rate and coolant problems.'
taxonomy:
  archives_month:
    - sep_2026
  archives_year:
    - '2026'
---

# Valve Chatter Marks: Causes & Fixes

---

## Navigation

- Previous: [Valve Face Angles, Seat Angles & Seat Width](https://valverefacer.com/valve-angles.md)
- Next: [Valve Inspection & Cleaning Before Grinding](https://valverefacer.com/valve_inspection.md)
