You’re A Mechanic If You Can Pass This Essential Car Maintenance Quiz

Noor Muhammad|Auto|6 Feb 2025

What is the best lubricant for malfunctioning door locks on a car?

68%
Retry Correct Incorrect For this application, you need something that will stay there for a long time and need no repeated applications… and graphite is the only lubricant in the list that fits all of those criteria.
Next
Anna Barclay/Getty Images
Anna Barclay/Getty Images

What is the best lubricant for malfunctioning door locks on a car?

  • Dry Graphite Lubricant
  • WD-40
  • White Grease
  • Engine Oil
68%

Scroll down to continue on!