Smitty & Sons Repair offers mobile coolant system repair in Lewiston, ID. From radiator leaks to water pump failures, we fix diesel cooling issues to protect your engine and prevent breakdowns.

Coolant System Repair in Lewiston, ID
Cooling system problems can quickly lead to overheating and expensive engine damage. Smitty & Sons Repair provides coolant system repair in Lewiston, ID through mobile service and our repair shop, delivering dependable cooling system diagnostics and repairs for trucks, trailers, and heavy equipment.
On-Site & In-Shop Cooling System Service for Diesel Trucks & Equipment
A healthy cooling system protects your engine from excessive heat and unnecessary wear. Our technicians perform coolant system repairs at your location, while our Lewiston repair shop is available for repairs that require additional equipment or more extensive service.
Our coolant system repair services include:
- Radiator inspection and replacement
- Coolant leak detection and hose replacement
- Thermostat and water pump replacement
- Reservoir, fan clutch, and sensor service
- System flush and refill
We use OEM-quality parts and proper coolant blends to ensure long-term protection and performance.
Why Choose Smitty & Sons for Coolant Repairs?
Cooling system failures often begin with small problems that become major repairs if left unresolved. Our technicians inspect the entire cooling system to identify the source of the problem instead of replacing parts unnecessarily. Mobile service allows us to complete many repairs at your location, while our Lewiston repair shop supports larger cooling system repairs when additional equipment is needed.
Customers choose Smitty & Sons Repair because we provide:
- Mobile coolant system repairs at your location
- In-shop support for larger cooling system repairs
- Experienced heavy-duty diesel technicians
- Honest recommendations and clear communication
- Quality workmanship focused on long-term reliability
Certified for Heavy-Duty Coolant System Repairs
A properly functioning cooling system is essential for preventing overheating and protecting your engine. Our technicians are certified in heavy-duty vehicle and truck maintenance, giving us the experience to diagnose and repair cooling system issues on commercial trucks and heavy-duty equipment.
Cooling system problems often begin with small leaks or worn components before leading to engine damage. We diagnose the source of the issue and perform the necessary repairs to help maintain proper operating temperatures and protect your engine from overheating.
Need Coolant System Repair in Lewiston, ID? Call 208-791-0677
Call 208-791-0677 to schedule coolant system repair at your location or our Lewiston repair shop. Smitty & Sons Repair provides dependable cooling system repairs that help protect your engine and keep your trucks and equipment working reliably.
FAQs
How Do I Get to Smitty & Sons Repair in Lewiston?
Smitty & Sons Repair is located at 2310 5th Ave N, Lewiston, ID 83501, with convenient access from US-95 and US-12, making it an easy stop for commercial trucks traveling through the Lewiston-Clarkston Valley. You'll find our shop near the intersection of 5th Ave N and 23rd St, close to Lewiston Motor Company and Lewiston Veterinary Clinic, making it easy to find when you're looking for coolant system repair in Lewiston, ID.
What Areas Do We Service for Coolant System Repair?
We proudly provide coolant system repair throughout Lewiston, Lewiston Orchards, Lapwai, Genesee, Culdesac, Juliaetta, Moscow, Orofino, Peck, Craigmont, Troy, Potlatch, Onaway, Cottonwood, Nezperce, Grangeville, and Kamiah, ID, as well as Clarkston, Asotin, Uniontown, Pullman, Pomeroy, Colfax, and Palouse, WA. If you're located anywhere in the Lewis-Clark Valley or the surrounding region, our team is ready to help keep your truck on the road.
What are signs of a coolant system failure?
Engine overheating, low coolant levels, steam, pressure loss, and heater malfunctions are all warning signs.
Can you replace a radiator on-site?
Yes. We can remove and replace radiators and associated components at your location or in-shop.
Do you use OEM coolant?
We use coolant that meets your engine manufacturer’s specifications to ensure performance and longevity.
What if I have a coolant leak?
We’ll pressure test your system, locate the leak, and replace any damaged hoses, gaskets, or fittings.
Our Heavy-Duty Truck Repair Services
When it comes to diesel truck repairs, Smitty & Sons Repair is equipped to handle it all. We address everything from slow leaks to blowouts, while our brake repair service ensures your air brakes, drums, and shoes are functioning safely. We also specialize in coolant system repair to prevent overheating, and performance ECM tuning to optimize engine efficiency and fuel economy.
Testimonials
Here's what our customers are saying. And feel free to leave us a review of your own!
Kyle Neal
