Fair Valley Performance & Repair
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About Fair Valley Performance & Repair
Fair Valley Performance & Repair operates in Sauk City, Wisconsin, as a diesel engine repair specialist with a 4.9-star rating drawn from 45 customer reviews. The shop provides diesel repair services to the local community and surrounding areas, handling both light-duty pickup trucks and agricultural equipment. Their service menu covers diagnostics, engine repairs, transmission work, and related diesel system maintenance.
The shop distinguishes itself through specialized diesel expertise, particularly with Cummins engines and agricultural equipment. Reviewers consistently note the team's willingness to listen and understand complex problems, even when customers are uncertain about proceeding with repairs. This diagnostic approach helps customers make informed decisions about their vehicles.
Customers frequently mention specific technicians in their reviews. One reviewer describes Casey's help in getting back on the road at a fair price. Another mentions Dennis and crew handling an experimental project successfully. A third reviewer notes Andrew B's assistance in diagnosing concerning engine noises on a 5.9 Cummins, specifically praising his knowledge of diesel engines.
What Customers Say
Seven of eight reviewers award five stars, praising diagnostic skill, fair pricing, and willingness to help even when customers are uncertain about proceeding with repairs. One negative review cites dissatisfaction with warranty support during tractor pulling season.
Working Hours
| SundayToday | Closed |
| Monday | 8 AM–5 PM |
| Tuesday | 8 AM–5 PM |
| Wednesday | 8 AM–5 PM |
| Thursday | 8 AM–5 PM |
| Friday | 8 AM–5 PM |
| Saturday | Closed |
Services
Diesel Engine Diagnostics
Identifying and troubleshooting diesel engine problems including unusual noises, performance issues, and starting difficulties.
Diesel Engine Repair
Complete engine repair services for light-duty and medium-duty diesel vehicles, including major overhauls.
Transmission & Clutch Service
Transmission repairs, clutch fork and clutch slave cylinder work, and drivetrain maintenance for diesel vehicles.
Agricultural Equipment Repair
Service and repair of diesel-powered agricultural equipment and company vehicles.
Pickup Truck Diesel Service
Specialized repair for diesel-powered pickup trucks including Cummins, Duramax, and Powerstroke platforms.