At Grand Allegan, our technicians are GM trained and certified. All
the latest high-tech diagnostic and repair equipment aid our expert technicians.
Grand Allegan regards service and repair activities as an integral part of our overall approach to excel in our customer service.
We strive to provide vehicle service and parts supply as an opportunity to further foster and develop our ongoing relationships with our
customers. Grand Allegan provides both warranty and non-warranty service work.
We will not perform any service on your vehicle until we can discuss our diagnostic findings with you and you have an opportunity to review and decide on the work to be preformed.
See below why it is important to take your car to a GM Goowrench dealer. You will find out why not just anyone can earn the GM Goodwrench name.
- GM-Trained Technicians—Expert-trained by GM with over 1 million hours in training annually
- Link to General Motors—Your GM Goodwrench dealer gets the latest GM vehicle technical information before anyone else
- Advanced Diagnostic Equipment—The latest, most advanced equipment, specially designed for GM and your GM Goodwrench dealer
- Genuine GM Parts—Manufactured to meet your GM vehicle’s exact specifications
- Service for All GM Vehicles—Your GM Goodwrench dealer services all GM vehicles, including Chevrolet, Pontiac, Oldsmobile, Buick, Cadillac, GMC and Hummer
- The GM Goodwrench network is the industry’s largest service provider




