Engine and Exhaust System

• Oil Change
  At Thelen Auto Group, your convenience is our top priority! Each of our Bay City, MI dealership service centers now offers Express Service for oil changes and other minor maintenance items. No appointment necessary for our Express Service! Simply stop in and we will take care of the rest! It is that easy when you Think Thelen in Mid-Michigan!
• Engine Tune-Up
• Starter Repair
• Alternator Repair
• Engine Diagnostic

Transmission and Drivetrain

• Transmission Service

Steering and Suspension

• Suspension Service/Repair

Heating and Cooling

• Air Conditioning Service/Repair
• Radiator Service/Repair
• Air Filter Replacement

Tires

• Tire Rotation
• Tire Repair

Brakes

• Brake Repair

Exterior/Interior

• Body/Collision Repair
  That is why we are the Bay City, Michigan area's #1 choice for auto body repairs. At Thelen Auto Group in Bay City, we understand that losing the use of your car, truck, minivan or SUV is more than just a minor inconvenience. So, we make it our priority to repair your vehicle efficiently and effectively to get you back on the road quickly. You can depend on our expert staff to repair your vehicle with quality parts in our state-of-the-art facility.

Electrical and Electronic

• Lighting Services
• Battery Service