GMC Sonoma 2002 Owner's Manual
![GMC Sonoma 2002 manual cover](/images/WkhxQQWoUSGlKXJlHVWHjtyx/thumbs/thumb175x175.webp)
The recommended oil type for a 2002 GMC Sonoma is 5W-30 for optimal performance in various driving conditions.
To reset the "Check Engine" light, you can disconnect the battery for about 15 minutes. Alternatively, use an OBD-II scanner to clear the codes.
Common causes of overheating include a faulty thermostat, low coolant levels, a malfunctioning radiator fan, or a clogged radiator.
It is recommended to change the transmission fluid every 30,000 to 60,000 miles to ensure the transmission operates smoothly.
The towing capacity of a 2002 GMC Sonoma varies by configuration, but it generally ranges from 3,500 to 5,200 pounds depending on the engine and drivetrain.
To replace the air filter, open the hood, locate the air filter housing, unclip or unscrew it, remove the old filter, and insert the new one. Secure the housing back in place.
Symptoms of a failing fuel pump include difficulty starting, engine sputtering at high speeds, loss of power under load, and unusual whining noises from the fuel tank.
To adjust the headlights, park the vehicle on a level surface facing a wall. Use the adjustment screws located on the headlight assembly to align the beams to the desired height and direction.
The spark plug gap for a 2002 GMC Sonoma is typically 0.060 inches, but it’s always best to refer to the owner’s manual or check under the hood for the manufacturer's specifications.
To improve fuel efficiency, ensure regular maintenance, keep tires properly inflated, avoid excessive idling, drive at moderate speeds, and remove unnecessary weight from the vehicle.