Intermediate
4 min read
· Preventive Maintenance
Fleet Fluid Mastery: Oil, Coolant, Transmission, Brake Fluid
Master the critical fluids that keep your fleet running. Learn change intervals, warning signs, and the $25 test that predicts engine failures.
Key Facts
- Gas engines: oil every 5K-7.5K miles; diesel every 7.5K-10K
- Brake fluid absorbs moisture — replace every 2 years
- Oil analysis ($25/sample) predicts engine problems before failure
Take the Interactive Lesson
Quizzes, tips, and XP rewards — like Duolingo for fleet maintenance.
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