The Best GMC Repair in Pomona, IL

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

#1

A-1 Transmission & Auto Service

4.7
(180 reviews)
Verified

A long-standing, family-owned business with a stellar reputation for complex transmission work, especially on heavy-duty Allison units found in GMC trucks. They have evolved into a full-service shop with specific expertise in diesel performance and drivetrain systems, making them a top choice for Duramax owners.

1105 S Illinois Ave, Carbondale, IL 62901

Specialties & Features

Allison transmission repair
Duramax diesel service
4WD and drivetrain systems

Business Information

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

C&R Automotive

4.8
(120 reviews)
Verified

Known for their honest diagnostics and high-quality workmanship, C&R Automotive has built a loyal customer base. They are particularly skilled with modern engine computers and electrical systems, making them an excellent choice for troubleshooting EcoTec engines and the complex electronics in Denali trim levels.

1015 E Main St, Carbondale, IL 62901

Specialties & Features

EcoTec engine diagnostics
Denali electronics
general GMC service
maintenance

Business Information

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

Muffler Man of Carbondale

4.5
(90 reviews)
Verified

While known for exhaust work, Muffler Man has extensive expertise in the full powertrain and chassis. They are a go-to shop for suspension work, including lift kits and leveling kits for heavy-duty GMC trucks, and are well-versed in towing system installation and maintenance.

816 S Illinois Ave, Carbondale, IL 62901

Specialties & Features

Heavy-duty truck suspension
towing package maintenance
exhaust
diesel service

Business Information

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

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

** The GMC repair market servicing Pomona, IL, is characterized by a reliance on nearby Carbondale for specialized services. Pomona itself, being a small village, does not host dedicated GMC specialists. The competitive landscape in the broader region is moderate, with a handful of highly reputable, long-standing shops dominating the market for complex repairs. These top-tier providers distinguish themselves through decades of experience, specific technical certifications (like ASE), and word-of-mouth reputations built on trust. General repair is available at more shops, but expertise in the requested specialties—particularly Duramax diesel, Allison transmissions, and Denali electronics—is concentrated within a few established businesses. Typical pricing for specialized work is in line with regional averages, with diesel and transmission services commanding a premium due to the required expertise and parts cost. Customers prioritize proven expertise and reliability over price sensitivity for these critical systems.

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 Pomona regulations and climate