The Best GMC Repair in Lykens, PA

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

#1

Stetler Diesel & Auto Repair

4.7
(180 reviews)
Verified

A highly reputable, family-owned shop known for its deep expertise in diesel performance and repair. They are a go-to for complex Duramax diagnostics, performance tuning, and Allison transmission service. Their technicians are equipped with advanced diagnostic tools and have a strong focus on both reliability and performance for heavy-duty trucks.

4998 Carlisle Pike, Mechanicsburg, PA 17050

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#2

Ciocca Automotive

4.6
(250 reviews)
Verified

As a multi-brand dealership group, their "Collision & Service Center" in Harrisburg provides factory-trained technicians, genuine GM parts, and access to the latest technical service bulletins. This is the premier choice for warranty work, complex electronics in Denali models, and factory-specific towing system maintenance.

3925 Paxton Street, Harrisburg, PA 17111

Specialties & Features

Denali luxury features and electronics
Towing package maintenance
EcoTec engine diagnostics

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes
#3

J & M Transmissions & Auto Repair

4.4
(90 reviews)
Verified

A well-established local shop with a specific focus on transmission repair and general automotive service. They have extensive experience with the Allison transmission series common in GMC trucks and SUVs, as well as 4WD system service. They are known for honest diagnostics and dependable work.

106 N Market St, Elizabethville, PA 17023

Specialties & Features

Allison transmission repair
4WD and towing system service
General GMC maintenance

Business Information

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

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

** The GMC repair market in Lykens itself is very limited, with primarily general auto repair shops. For specialized services—especially for Duramax diesel, Allison transmissions, and Denali electronics—residents must look to the broader Dauphin County area, particularly towards Harrisburg and Mechanicsburg. The competition among specialized shops in this region is moderate to high, which drives a strong focus on quality and customer service to stand out. Typical pricing reflects this specialization. General maintenance is competitively priced, but complex diagnostics and repair (e.g., Duramax injector replacement, transmission rebuilds, ECU programming) command premium rates due to the required expertise, proprietary software, and cost of parts. Consumers can expect dealership-level quality and pricing from providers like Ciocca Automotive, while independent specialists like Stetler Diesel and J & M Transmissions often provide similar expertise at a slightly more competitive labor rate, making them excellent value propositions for out-of-warranty vehicles.

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 Lykens regulations and climate