GMC Sierra 3500HD 2001 Owner's Manual

To reset the oil change light, turn the ignition to the "On" position without starting the engine. Press the accelerator pedal fully to the floor three times within five seconds. The oil light should reset and turn off.
The recommended maintenance schedule includes changing the oil and oil filter every 3,000 to 5,000 miles, checking the brake system every 10,000 miles, replacing the air filter every 15,000 to 30,000 miles, and checking the transmission fluid every 30,000 miles. Regular inspections of belts, hoses, and the cooling system are also advised.
Start by checking the ABS fuse in the fuse box. If the fuse is intact, inspect the wheel speed sensors and their connections for damage or debris. If the issue persists, a diagnostic scan tool may be necessary to retrieve error codes from the ABS module.
For the GMC Sierra 3500HD 2001, it is generally recommended to use SAE 5W-30 engine oil for optimal performance in most climates. Always refer to the owner's manual for specific oil grade recommendations based on your driving conditions.
To replace the brake pads, lift the vehicle and remove the wheel. Loosen the caliper bolts and slide the caliper off. Remove the old brake pads and install the new ones. Reattach the caliper and wheel, then lower the vehicle. Ensure to pump the brake pedal before driving to seat the new pads.
Overheating can be caused by low coolant levels, a malfunctioning thermostat, a defective water pump, or a blocked radiator. Inspect these components and ensure the cooling system is free of leaks and clogs.
To improve fuel efficiency, ensure regular maintenance such as timely oil changes, clean air filters, and properly inflated tires. Avoid carrying unnecessary weight, use cruise control on highways, and drive at moderate speeds.
Check the battery connections and ensure they are clean and tight. Test the battery voltage and charge or replace it if necessary. Also, inspect the starter and ignition switch for faults, and verify that the fuel system is functioning correctly.
Locate the serpentine belt tensioner and use a wrench to rotate it, releasing tension on the belt. Remove the old belt and install the new one according to the belt routing diagram. Ensure the belt is seated properly on all pulleys before releasing the tensioner.
Common causes for a check engine light include a loose gas cap, faulty oxygen sensors, a malfunctioning catalytic converter, or issues with the mass airflow sensor. Using an OBD-II scanner can help identify specific error codes for further diagnosis.