Varnish and Deposit Identification and Measurement (VIM) Certification PreparationPosted on July 3, 2026 (July 6, 2026) by Michael Holloway Course Content Lessons Status 1 VIM – Part 1. Lubricant Varnish and Deposit Identification and Measurement 2 VIM – Part 2. Lubricant Varnish and Deposits: Scope and Learning Outcomes 3 VIM – Part 3. Lubricant Varnish and Deposit Identification and Measurement 4 VIM – Part 4. Lubricant Varnish and Deposit Measurement: Scope and Outcomes