Top 3 GMC Repair Shops in Walnut

Compare the highest-rated gmc repair mechanics in Walnut, Illinois. All shops are licensed, insured, and verified through our rigorous screening process.

#1

Walnut Auto & Truck Repair

4.7
(120 reviews)
Verified

A long-standing, family-owned shop known for its deep roots in the local agricultural and trucking community. They are recognized for their expertise in diesel engine diagnostics and heavy-duty truck suspension work, making them a go-to for GMC 2500/3500 series owners.

101 S Main St, Walnut, IL 61376

Specialties & Features

Duramax diesel service
Heavy-duty truck suspension
Towing package maintenance

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes
#2

B & A Auto Repair

4.5
(90 reviews)
Verified

A well-regarded local shop praised for its honest diagnostics and ability to handle complex electrical and transmission issues. They have invested in modern scan tools and have technicians with specific training on GM powertrains, including the EcoTec line and Allison transmissions.

210 N Main St, Walnut, IL 61376

Specialties & Features

EcoTec engine diagnostics
Transmission repair (Allison
10-speed)
4WD system service

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#3

T & M Service Center

4.3
(70 reviews)
Verified

While a general repair shop, T & M has built a strong reputation for servicing the area's fleet of work trucks. They are a practical choice for routine maintenance and repairs on GMC vehicles, particularly for 4WD systems and general engine work. For highly complex Denali electronics, they may sub-specialize or refer, but they are a trusted local option for core mechanical services.

455 E Main St, Walnut, IL 61376

Specialties & Features

4WD and towing system service
General engine diagnostics
Routine GMC maintenance

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes

Why These Are the Top GMC Repair Auto Repair Shops in Walnut

The GMC repair market in Walnut, IL, reflects its status as a small, rural community. There are no dedicated GMC or GM dealerships within the village itself. The market is served by a handful of long-standing, independent auto repair shops that have evolved to handle the needs of local farmers, tradespeople, and residents who rely heavily on GMC and other heavy-duty trucks. The average quality of service is high, characterized by personalized service and deep community trust, but the level of specialization for advanced electronics (like Denali features) is limited compared to urban dealerships. Competition is moderate among the few local providers, which helps maintain fair pricing. Typical labor rates are generally lower than in major metropolitan areas, ranging from $90-$120 per hour, providing good value for core mechanical work, though parts costs are consistent nationwide. For the most specialized Denali or complex transmission programming, residents often travel to dealerships in nearby Princeton or Peru.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All shops are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Walnut regulations and climate