Maintenance: Technical Service Bulletins

• Tires - Replacement Yokohama Tires
• Radial Tire - Sidewall Indentations
• Wheel Lug - Torque Stick Now Used for Installation
• Coolant - Propylene Glycol Not Approved by Isuzu
• Dexron-IIE Fluid - Recommended Usage
• Refrigerant - Warnings/Precautions
• Engine - Oil Usage Testing and Reporting