Auto Repair Services in Caldwell, Idaho
American Muffler & Auto Repair provides honest, experienced automotive services for drivers across Caldwell, Nampa, Middleton, and the greater Treasure Valley. From exhaust and muffler repair to brake service, engine diagnostics, oil changes, suspension work, and HVAC repair—we diagnose first, explain it straight, and fix it right.
Services We Offer
- Exhaust system repair — leaks, rattles, broken hangers, damaged pipes, and muffler issues
- Brake repair — pads, rotors, calipers, and brake fluid
- Engine repair — oil leaks, overheating, misfires, rough idle, and power loss
- Oil change service — correct oil type with a quick check for leaks or warning signs
- Suspension repair — shocks, struts, control arms, and bushings
- Vehicle inspection — safety checks and overall condition reviews
- HVAC, heating & A/C — climate control and airflow repairs
- Battery testing — voltage, load capacity, and charging system health
- Check engine light diagnosis — accurate diagnostics before repairs
- General automotive repair — all makes and models, domestic and import
Why Choose American Muffler & Auto Repair
We are a true Caldwell auto repair shop—not a chain or call center. ASE-certified mechanics with over 30 years of combined experience handle every job. Transparent pricing, honest diagnostics, and repairs you can count on.
Call (208) 402-4817 or visit us at 3510 Lake Ave, Caldwell, ID 83605.

Diagnostics & Engine Repair
- Thorough diagnostics and labscoping
- Engine repair and rebuilding
- Check engine light diagnosis
- Auto electrical service

Brakes, Suspension & Steering
- Brake pad and rotor service
- Steering component repair
- Suspension diagnostics and repair
- Fleet and commercial vehicles

Exhaust, A/C & Specialty Work
- Custom exhaust fabrication
- Catalytic converter testing and replacement
- A/C and HVAC service
- Intoxalock install, removal, and calibration
Questions About Our Auto Repair Services
Straight answers for drivers—call if yours is not listed.









