Expert Cooling System Repairs in Woodstock, GA

ASE-Certified Mechanics. CARFAX Car Care Service Center.
24-Month / 24,000-Mile Warranty.

COOLING SYSTEM REPAIRS

Warranty Logo | Diesel David Inc

When your vehicle's cooling system starts showing signs of trouble in the Woodstock area, you need experienced technicians who understand the critical role this system plays in protecting your engine. At Diesel David Inc, we've been the trusted choice for cooling system repairs since 2015, serving drivers throughout Cherokee County and the greater Atlanta metro area with comprehensive diagnostic and repair services.

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Complete Cooling System Diagnostics and Repair Services

Professional Cooling System Inspection

Our ASE-Certified technicians begin every cooling system service with a thorough diagnostic inspection. We examine all critical components including your radiator, water pump, thermostat, cooling hoses, and coolant reservoir to identify the root cause of any overheating issues.


  • Advanced Diagnostic Equipment

    Using state-of-the-art diagnostic tools, we can quickly pinpoint cooling system problems that other shops might miss. Our comprehensive inspection covers coolant flow rates, pressure testing, and thermal imaging to ensure accurate diagnosis.

  • Cooling System Performance Testing

    We perform complete system pressure tests and coolant analysis to determine the overall health of your cooling system and identify potential issues before they become costly repairs.


Radiator Repair and Replacement

A properly functioning radiator is essential for maintaining optimal engine temperature, especially in Georgia's hot summers and during heavy towing around Woodstock and Marietta.


  • Radiator Leak Detection

    Our technicians are experts at locating and repairing radiator leaks, from minor seepage to major coolant loss. We use specialized leak detection equipment to find even the smallest leaks that could lead to engine damage.

  • Complete Radiator Services

    Whether you need radiator cleaning, core replacement, or a complete radiator replacement, we handle all radiator services for diesel and gasoline vehicles. We stock high-quality radiators for Ford, Chevrolet, GMC, Dodge, and other popular makes.

Water Pump Service and Replacement

The water pump circulates coolant throughout your engine, making it one of the most critical components in your cooling system.

  • Water Pump Failure Diagnosis

    Common signs of water pump failure include coolant leaks, overheating, and unusual noises from the engine bay. Our technicians can quickly diagnose water pump issues and provide reliable repair solutions.

  • Professional Water Pump Installation

    We use only high-quality, OEM-equivalent water pumps and follow manufacturer specifications for proper installation. All water pump replacements include new gaskets and seals for long-lasting performance.

Thermostat Replacement and Repair

A faulty thermostat can cause your engine to run too hot or too cold, leading to poor performance and potential engine damage.

  • Thermostat Testing and Calibration

    Our diagnostic process includes testing your thermostat's opening temperature and response time to ensure it's functioning within manufacturer specifications.

  • Complete Thermostat Service

    We replace thermostats with precision-calibrated units designed for your specific vehicle make and model, ensuring optimal engine temperature regulation throughout Canton, Holly Springs, and surrounding areas.

Why Choose Diesel David Inc for Cooling System Repairs

ASE-Certified Expertise You Can Trust

Our team of ASE-Certified technicians brings years of specialized experience in cooling system repairs for both diesel and gasoline vehicles. We understand the unique cooling requirements of different engine types and provide tailored solutions for optimal performance.

Comprehensive 24-Month/24,000-Mile Warranty

Every cooling system repair comes with our industry-leading 2-year/24,000-mile warranty, giving you confidence in the quality of our work. This extensive warranty coverage demonstrates our commitment to using high-quality parts and providing superior workmanship.


CARFAX Car Care Service Center Documentation

As an authorized CARFAX Car Care Service Center, we meticulously document all cooling system repairs and maintenance, helping maintain your vehicle's value and providing a complete service history for future reference.



Transparent Pricing and Communication

We believe in clear communication throughout the repair process. You'll receive detailed explanations of necessary repairs, upfront pricing, and regular updates on your vehicle's progress. No surprises, no hidden fees.

Our Cooling System Repair Process

Step 1: Comprehensive System Evaluation

When you bring your vehicle to our Woodstock location, we start with a complete cooling system inspection. This includes checking coolant levels, testing system pressure, examining hoses and connections, and using diagnostic equipment to identify any underlying issues.


Step 2: Detailed Problem Diagnosis

Our technicians use advanced diagnostic tools to pinpoint the exact cause of cooling system problems. We test individual components, check for proper coolant flow, and identify any blockages or leaks that could affect system performance.


Step 3: Professional Repair Implementation

Once we've identified the issue, we provide a detailed repair estimate and timeline. Our technicians use high-quality parts and follow manufacturer specifications to ensure repairs meet or exceed original equipment standards.


Step 4: Quality Assurance Testing

After completing repairs, we thoroughly test your cooling system under various operating conditions to ensure proper function. This includes pressure testing, temperature monitoring, and road testing when appropriate.



Step 5: Follow-Up Care

We follow up with customers after cooling system repairs to ensure everything is functioning properly. Our commitment to customer satisfaction extends beyond the completion of your service.

Common Cooling System Problems We Fix

Overheating Issues

Whether caused by low coolant, a faulty thermostat, or a failing water pump, overheating can cause serious engine damage. We quickly diagnose and repair overheating problems to get you back on the road safely.



Coolant Leaks

From minor seepage to major leaks, we locate and repair all types of coolant leaks. Common leak sources include radiator cores, hoses, water pumps, and gasket failures.


Poor Heat Output

If your heater isn't working properly during Georgia winters, the problem often lies within the cooling system. We diagnose and repair heating issues to keep you comfortable year-round.


Cooling Fan Problems

Electric cooling fans are essential for proper engine temperature regulation, especially in stop-and-go traffic around Atlanta. We repair and replace cooling fans and their control systems.

What to Expect During Your Visit

Professional Service Experience

From the moment you arrive at our Woodstock facility, you'll experience professional, courteous service. Our team takes time to explain your vehicle's cooling system needs and answer any questions you may have.


Comfortable Waiting Area

While we work on your vehicle, you can relax in our comfortable customer lounge. We also offer shuttle service within the local Woodstock area for your convenience.


Detailed Service Documentation

You'll receive comprehensive documentation of all cooling system work performed, including before and after photos when appropriate. This documentation is automatically recorded in the CARFAX database.



Post-Service Support

Our relationship doesn't end when you drive away. We're always available to answer questions about your cooling system repair and provide ongoing maintenance recommendations.

Customer Success Stories

Jenn Tadlock

"I absolutely trust this team with my bus and my safety. Brendan is always clear about the price, process, and priority. If I could give you 10 stars I would!!"

Flynn Mcclanahan

"This crew should be your first call! They got me and my 2019 Silverado 3500 Dually back on the road in 48 hours! Great experience. Knowledgeable & very skilled mechanics."

Mehmed Tiro

"Great experience. Offered what we were seeking and gave us their professional opinion on different options. Worth giving these guys a shot."

Our Automotive Services

Professional Auto Care in Woodstock, GA

At Diesel David Inc in Woodstock, GA, we offer a comprehensive range of services designed to keep your diesel and gasoline vehicles running at their best. From routine maintenance and advanced diagnostics to performance upgrades and specialized repairs, our ASE-Certified Technicians are equipped with the expertise and tools to handle all your automotive needs. Trust us to deliver reliable, high-quality service backed by our 2-Year/24,000-Mile Warranty, ensuring your vehicle’s longevity and performance on the road. Explore our services and see how we can help keep your vehicle in top condition.

Glow Plug Service

Ensure your diesel engine starts reliably in cold weather with our expert glow plug service. We diagnose and replace faulty plugs for optimal performance.

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Turbo and Injector Diagnostics

Ensure your safety with our comprehensive brake repair and replacement services. Regular brake maintenance is crucial to avoid accidents and ensures your vehicle stops reliably ...

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Routine Maintenance

Keep your diesel vehicle running smoothly with regular maintenance and oil changes. Prevent major repairs and extend your engine's lifespan with our expert care.

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Frequently Asked QuestionS

  • How often should I have my cooling system serviced?

    Most manufacturers recommend cooling system service every 30,000-50,000 miles or every 2-3 years. However, driving conditions in Georgia's hot climate may require more frequent service. Our technicians can assess your specific needs based on your vehicle and driving habits.

  • What are the signs that my cooling system needs repair?

    Common warning signs include engine overheating, coolant leaks under your vehicle, low coolant levels, steam from the engine bay, unusual gurgling sounds, and poor heater performance. If you notice any of these symptoms in the Woodstock area, schedule an inspection immediately.

  • How long do cooling system repairs typically take?

    Simple repairs like thermostat replacement can often be completed in 2-3 hours, while more complex repairs like radiator replacement may take a full day. We provide accurate time estimates when you schedule your appointment and keep you updated throughout the process.

  • Can I drive my vehicle if it's overheating?

    No, continuing to drive an overheating vehicle can cause severe engine damage. If your temperature gauge shows overheating around Woodstock or surrounding areas, pull over safely, turn off the engine, and call us for assistance.

  • Do you work on both diesel and gasoline vehicles?

    Yes, our ASE-Certified technicians are experienced with cooling systems on both diesel and gasoline engines. We work on all major makes and models, with special expertise in Ford, Chevrolet, GMC, and Dodge vehicles.

  • What's included in your cooling system warranty?

    All cooling system repairs come with our comprehensive 24-month/24,000-mile warranty covering parts and labor. This warranty is valid at our Woodstock location and includes follow-up support to ensure your complete satisfaction.

  • How much do cooling system repairs cost?

    Repair costs vary depending on the specific problem and vehicle type. Simple repairs like hose replacement start around $150, while major repairs like radiator replacement can range from $500-$1,200. We always provide detailed estimates before beginning any work.

  • Do you offer emergency cooling system service?

    While we don't provide 24-hour emergency service, we prioritize urgent cooling system repairs to prevent engine damage. Call us at(770) 874-5094if you're experiencing overheating issues, and we'll work to accommodate your needs.

  • Can cooling system problems affect my vehicle's performance?

    Absolutely. An inefficient cooling system can cause reduced engine performance, poor fuel economy, and potential engine damage. Proper cooling system maintenance is essential for optimal vehicle performance throughout Georgia's varying climate conditions.

  • What brands of cooling system parts do you use?

    We use high-quality, OEM-equivalent parts from trusted manufacturers. Our parts meet or exceed original equipment specifications and are backed by manufacturer warranties in addition to our service warranty.

Ready to Schedule Your Cooling System Repair?


Don't let cooling system problems leave you stranded in Woodstock or surrounding areas. Contact Diesel David Inc today to schedule your comprehensive cooling system inspection and repair.


Call: (770) 874-5094
Address: 10262 Main Street, Woodstock, Georgia 30188, US
Hours: Monday - Thursday 8:00 AM - 7:00 PM

Our Location

QUALITY AUTO REPAIR and Maintenance IN Woodstock, GA and Nearby Areas

Diesel David Inc is proud to serve Woodstock, GA, and the surrounding areas with our top-tier diesel vehicle repair services. Our shop is centrally located to provide easy access for customers, ensuring that your vehicle receives the highest quality care no matter where you are. Whether you need routine maintenance or a more complex repair, our experienced technicians are ready to assist you with exceptional service and expertise.


In addition to our shop services, we extend our mobile and off-site repair options to a wide range of locations within this 100-mile radius. This allows us to bring our expert care directly to your home, workplace, or even roadside, making vehicle maintenance as convenient as possible. Below are some of the cities we proudly serve:

  • Marietta
  • Acworth
  • Smyrna
  • Woodstock
  • Alpharetta
  • Roswell
  • Sandy Springs
  • Dunwoody
  • Dallas
  • Powder Springs
  • Hiram
  • Cartersville
  • Atlanta
  • Decatur
  • East Cobb
  • Norcross