Welcome to Our Service Department

At Hamblock GMC, our highly qualified technicians are here to provide exceptional service in a timely manner. From oil changes to transmission replacements, we are dedicated to maintaining top tier customer service, for both new and pre-owned car buyers! Allow our staff to demonstrate our commitment to excellence.

Your privacy is important to us.

Hamblock GMC takes your privacy seriously and does not rent or sell your personal information to third parties without your consent. Read our privacy policy.

Schedule Service at Our GMC Dealership in Ottawa, IL

At Hamblock GMC, we're well-known for a dedication to service that goes above and beyond the rest. After all, we aren't just another auto body shop here in the Town of Two Rivers. See why more drivers across north-central Illinois choose our GMC dealer when it comes to maintaining their vehicles. Book a service appointment with us here in Ottawa, IL, today.

Why Choose Hamblock GMC?

  • Highly skilled, GM-certified technicians. Our service department is home to specialists who undergo years of intensive factory training to certify as specialists in both GMC and off-brand models. We personally give every car, truck, and SUV that pulls into our maintenance bay from Aurora, IL, or one of our many other neighbors the exceptional-quality care that it deserves. Your ride will be in expert hands.
  • Professional equipment. Our proprietary diagnostic tools and technologies are state-of-the-art, and we have access to a wide range of genuine GM parts and accessories. Rest assured, whether you're visiting from Naperville, IL, for preventive service on your GMC Sierra 1500 or from Joliet, IL, for more complex repairs on your GMC Acadia, we're well-prepared to handle nearly any maintenance issue.
  • Your bottom line, top of mind. We pride ourselves on not only getting your investment back up to speed and on the road for Dekalb, IL in no time, but also making it easier for you to manage costs. Take advantage of our service specials to keep the work affordable; our ever-changing offers span a wide gamut of basic maintenance, from brake and battery replacements to oil changes and tire rotations.

Let us Show You the Hamblock GMC Service Commitment

We offer convenient online appointment-making, so there's no need to drive in from work in Morris, IL, on a busy day to try to get a spot in line; schedule yours now. Then, get directions and stop by; we're located at 1752 East Norris Drive, just east of the town center, between the Fox and Illinois rivers. If you have any questions beforehand, we welcome you to reach out.