Help your 1999 GMC C1500 run newer, longer with routine oil changes. Schedule your oil change appointment today.
Looking for oil change recommendations for your 1999 GMC C1500? Get the advice you need at Firestone Complete Auto Care! Our expertise goes beyond tires. Oil and lube services are also our specialties. After all, "Oil is the blood of the engine. It's the #1 thing you can do for your car," says our maintenance technician, Brianna.
Your 1999 C1500’s oil should be changed according to GMC’s recommended oil change intervals. Check out mileage and month info for your C1500 in the above table. Outside of GMC-recommended oil change intervals, your C1500 may need an oil change if your check engine light is on, you hear knocking sounds coming from the engine, sense an oil smell in the cabin, or notice an unusual amount of exhaust. You might need an oil change more frequently than what’s recommended by GMC if you regularly haul heavy loads, drive in dusty terrain, enjoy off-roading, or drive at low speeds for long distances. In general, being extra-diligent about oil changes won’t damage your GMC C1500. In fact, every oil change is an opportunity to diagnose and treat any other issues, such as bad brakes or a failing battery.
Your local Firestone Complete Auto Care has the right 1999 GMC C1500 motor oil: either synthetic or conventional. GMC has specifically identified either synthetic or conventional as the best oil for 1999 GMC C1500 vehicles. Motor oil helps lubricate the engine’s moving parts, regulate engine temperature, and prevent the build-up of harmful substances within the engine. In an oil change service, a technician will change your C1500's oil, replace and recycle your used oil and filter, check all of your other filters, top-off essential fluids, and perform a courtesy inspection on your entire vehicle. You can rest assured knowing that we seek to do what’s best for your C1500 by considering your driving habits, and mileage.
Wondering if we carry the right motor oil for your GMC? We carry the best because your C1500 deserves the best. Talk with a teammate and consult your owner's manual before picking a motor oil. At Firestone Complete Auto Care, you can choose from the following oils: Quaker State® Advanced Durability™ conventional oil, Pennzoil® High Mileage Vehicle® motor oil, Pennzoil Platinum® Full Synthetic motor oil with PurePlus™ Technology, and Shell Rotella® heavy-duty engine oil. There are plenty of motor oils on the market today, so why do we prefer these brands? They are tested and trusted. For instance, when tested on taxi fleets from coast to coast, Quaker State was shown to provide double the protection when compared to the industry standard.  There's also Pennzoil. Unlike traditional synthetic motor oils, the Pennzoil Platinum® Full Synthetic line of motor oils with PurePlus® Technology is formulated from pure natural gas, which helps lead to better performance. Then there's Shell Rotella heavy-duty engine oil. It's specifically designed for diesel and gasoline engines that need to withstand rugged conditions, and is fortified to deliver heightened performance in extreme temperatures, increased wear protection, and better oxidation resistance. For help selecting the right motor oil for your 1999 GMC C1500, defer to GMC's recommendations.
When the time for your C1500’s next oil change rolls around, you know where to go! Your local Firestone Complete Auto Care has some of the best motor oil for GMC C1500s. We’ve got convenient appointment times to take care of you, with the right engine oil at a competitive price. Find out how much your GMC C1500 oil change will cost by calling ahead. Make an appointment for an oil change service today and let the oil experts take care of your C1500's engine. Many stores offer extended and weekend openings for your convenience.
 ILSAC GF-5 represents the latest performance standard set by the International Lubricant Standardization and Approval Committee (ILSAC), a joint effort of U.S. and Japanese automobile manufacturers. Most automobile manufacturers are expected to recommend oils that meet ILSAC GF-5. API SN is the most recent service category issued by API’s Lubricants Group. Oils meeting API SN and the new “Resource Conserving” designation meet all ILSAC GF-5 performance requirements.