Kenworth T680 2022 Instruction Manual
![Kenworth T680 2022 Truck manual cover](/images/tBhfpecuWssBaGplAOFnGKhD/thumbs/thumb175x175.webp)
To perform a pre-trip inspection on a Kenworth T680 2022, check the following: tires (pressure and wear), brakes, lights, mirrors, fluid levels (oil, coolant, brake fluid), and ensure all safety equipment is functioning. Refer to the owner's manual for a detailed checklist.
The recommended engine oil type for a Kenworth T680 2022 is a high-quality diesel engine oil that meets or exceeds API CK-4 or FA-4 specifications. Check the owner's manual for specific viscosity grades suitable for your operating conditions.
If the air conditioning system is not working, check the fuses and relays related to the AC system, ensure the refrigerant levels are adequate, and inspect the compressor and belt for any visible issues. Consult a professional technician for further diagnosis if needed.
To replace the cabin air filter, locate the filter housing under the dashboard on the passenger side, remove the cover, and replace the old filter with a new one. Ensure the new filter is properly seated before replacing the cover.
The fuel filter on a Kenworth T680 2022 should typically be changed every 15,000 to 25,000 miles, depending on operating conditions. Always refer to the maintenance schedule in the owner's manual for specific intervals.
If the check engine light comes on, check for any obvious issues such as loose gas caps. Use a diagnostic tool to retrieve error codes, which can indicate the problem. If unsure, consult with a certified mechanic for further inspection and repairs.
To reset the maintenance reminder, turn the ignition to the ON position without starting the engine, navigate to the settings menu on the dashboard display, select the maintenance section, and follow prompts to reset the reminder.
Common causes of battery drain include leaving lights or accessories on, a faulty alternator, corroded battery connections, or parasitic electrical draws. Regularly check and maintain the battery and charging system to prevent issues.
To improve fuel efficiency, maintain proper tire pressure, reduce idling time, use cruise control on highways, perform regular engine maintenance, and consider aerodynamic enhancements such as fairings and side skirts.
If the brakes feel spongy, check the brake fluid level and inspect for leaks in the brake lines. Bleed the brake system to remove any air trapped in the lines. If the problem persists, consult a professional mechanic for further diagnosis.