CONTENTS / JUNE 2021 p. 12 Equipment Getting to the bottom of air brake system leaks Faulty fittings, unsuitable seals, and corrosion can make air brake system leaks a challenge for fleets. » Delivering high-quality air p. 18 » ON THE COVER In The Bay Commercial vehicle clutch care Spec'ing, service, and repair considerations to maximize the life of manual and AMT clutches. » The future of AMTs and manual transmissions p. 24 Shop Operations How digitizing driver communication can improve maintenance Electronic driver vehicle inspection reports can expedite the sharing of critical maintenance information throughout an operation, allowing for planning, preparation, and timely execution of service. Diagnostic leak detection P. 12 V IEWS FROM THE EXPERTS 40 Management KPI fundamentals By Joel Levitt SPRINGFIELD RESOURCES 41 Economic Outlook Economic recovery update By Robert Dieli MACKAY & COMPANY SPOTL IGHT ON... p. 34 Fluid & Filtration Why fleets shouldn't skimp on oil filters High-efficiency oil filters have been available for years, but now fleets have more reasons to opt for one than ever before. p. 38 Technology Trends Gaining an advantage With paperless processes and advanced management technology, the steadily growing Vision Truck Group dealership service operation is driving up efficiency and proficiency. Electronic driver vehicle inspection reports P. 24 DEPARTMENTS FROM THE EDITORS 8 Uptime The path to predictive maintenance 10 Editor's Note Using resources wisely 4 Fleet Maintenance | June 2021 50 Guest Editorial Benefits of remote brake system monitoring By Darin Cate TSE BRAKES Want to contribute? Contact us at editor@FleetMaintenance.com On the cover: 1178513308 | Denis_prof and 1305781659 | lchumpitaz | Getty Images Preventing clutch problems P. 18 42 Fleet Parts & Components What's new in products for more efficient fleet operation. 44 Tools & Equipment A roundup of the latest tool and equipment offerings. 49 Classifieds