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Shop Open & Mobile Units Available — 24/7
(423) 255-0896
4.9 Google Reviews

Diesel Truck Repair Shop

Certified mechanics in Ringgold, GA. From computer diagnostics to full engine rebuilds, we fix it right. Shop and mobile service for I-75 and I-24.

  • DOT Inspections
  • Forced Regens & Aftertreatment
  • Brake & Air Systems
  • Electrical & Diagnostics
Diesel truck repair shop Ringgold GA 24/7 Dispatch
4.9Google Reviews
OEMDiagnostics
ASECertified
DOTInspections
ShopIn Ringgold
Diesel Truck Repair Shop Ringgold GA
Certified Techs

Professional Diesel Mechanics

Your truck is your livelihood. When the check engine light comes on or you fail a DOT inspection, you need a repair shop in **Ringgold, GA** that understands the urgency.

At ASAP Towing and Truck Repair, our certified diesel technicians have decades of combined experience working on **Freightliner, Kenworth, Peterbilt, Volvo, and Mack**. From routine oil changes and **Federal DOT Inspections** to complex **engine rebuilds** and **aftertreatment diagnostics**, we have the dealer-level tools to handle it.

We offer both **mobile repair services** that come to you on I-75 and full-service repairs at our facility on Cassidy Lane. Our goal is simple: minimize your downtime with quality work backed by warranty.

Cummins / Detroit / CAT
Computer Diagnostics
Aftertreatment / DPF
Hydraulics & PTO
Schedule Repair

Shop Capabilities

Comprehensive repair solutions for semi trucks and commercial vehicles

Computer Diagnostics

We use dealer-level software (JPRO, Cummins Insite, Detroit DDNL) to read fault codes and perform forced regens. We pinpoint the exact electrical or sensor issue quickly.

  • Check Engine Lights
  • DPF/DEF System Codes
  • ABS Sensor Faults
  • Parameter Programming

Brake Systems

Complete brake service for air brake systems. We replace shoes, drums, s-cams, and slack adjusters. We ensure your stopping power meets DOT safety requirements.

  • Air brake chambers
  • S-Cam & Bushings
  • Air dryers & compressors
  • Slack adjusters

Electrical & Lighting

Chasing a short? Our techs are experts at wiring diagrams. We repair alternators, starters, batteries, and trailer lighting issues that keep you off the road.

  • Alternator replacement
  • Starter motors
  • Parasitic draw testing
  • LED lighting upgrades

HVAC & Cooling

Don't sweat in the cab or overheat the engine. We fix A/C compressors, condensers, and blower motors. We also repair radiators, water pumps, and charge air coolers.

  • A/C repair & recharge
  • Water pumps & t-stats
  • Radiator leaks
  • Heater cores

PM Service (Oil Change)

Fast, professional preventative maintenance. We carry Shell Rotella and Delvac oils. Our PM service includes fuel filters, water separators, and a rigorous multi-point inspection.

  • Oil & filter changes
  • Grease chassis & driveline
  • Coolant analysis
  • Hub oil checks

DOT Inspections

We are a certified Federal DOT inspection station in Ringgold. We inspect trucks and trailers to ensure compliance. If you fail elsewhere, bring it to us for repairs and re-certification.

  • Annual DOT stickers
  • Pre-purchase inspections
  • Brake & Light certs
  • Trailer inspections

Engines We Service

Expert repair for all major powertrains

Freightliner Repair Freightliner
Kenworth Repair Kenworth
Peterbilt Repair Peterbilt
Volvo Truck Repair Volvo
International Truck Repair International
Mack Repair Mack

Repair Process

We get you in, fixed, and out

1

Call or Walk-In

Call (423) 255-0896 to check bay availability or request mobile service. Walk-ins at Ringgold welcome.

2

Diagnostics

We hook up the laptop and physically inspect the truck to find the root cause, not just clear codes.

3

Approval

We explain the fix and cost. We accept Comdata, EFS, and T-Chek for fast fleet approvals.

4

Back on Road

We test drive the truck to ensure the repair holds, then hand you the keys.

Shop Location

Easy access from I-75 Exit 348

ASAP Diesel Shop 252 Cassidy Ln, Ringgold, GA

Our Facility Features

We have a fully equipped heavy truck shop located minutes from the **Ringgold Weigh Station**. We have large bays to accommodate trailers and a secure lot for overnight storage.

Large Service Bays
Secure Trailer Parking
Driver Waiting Area
Parts Warehouse
Address

252 Cassidy Ln
Ringgold, GA 30736

Open in Maps

Mechanic FAQs

Yes. We have dealer-level software (JPRO/Insite) to diagnose the root cause of the derate (usually DPF/DEF sensors or EGR) and can perform a forced regen to clear the code and get you out of limp mode.

Yes, we are a certified inspection location. We can perform the inspection and apply the sticker same-day if the truck passes.

Yes, we have service trucks ready to deploy to I-75 and I-24 for roadside repairs like air leaks, blown tires, and electrical issues.
Coverage Area

Areas We Serve

Shop in Ringgold, GA. Mobile repair and towing throughout the tri-state area.

100Mile Radius
15+Cities Covered
<45Min Avg Response

Book Your Repair

Walk-ins welcome or call for mobile dispatch