Engine Repair Services in Gurnee, IL
Expert Engine Diagnosis & Repair to Keep Your Vehicle Running Strong
From minor performance issues to major engine rebuilds, D. Wells Automotive Service provides comprehensive engine repair solutions for all makes and models. Our ASE-certified technicians use advanced diagnostic equipment to accurately identify engine problems and restore optimal performance, reliability, and fuel economy.
Complete Engine Repair Services
Engine Performance & Diagnostics
- Check engine light diagnosis and repair
- Engine tune-ups and optimization
- Performance troubleshooting for power loss
- Fuel system cleaning and injector service
- Emissions system repair and testing


Major Engine Repairs
- Engine rebuilds and overhauls
- Head gasket replacement and machining
- Timing belt/chain service and replacement
- Internal engine component replacement
- Oil leak diagnosis and repair
Engine Maintenance Services
- Regular tune-ups with spark plugs and filters
- Oil change services with quality lubricants
- Belt and hose inspection and replacement
- Cooling system integration and service
- Preventive maintenance scheduling

Why Choose D. Wells for Engine Repair?
Advanced Diagnostic Capabilities
Our professional-grade diagnostic equipment accurately identifies engine problems, from simple sensor issues to complex internal damage, ensuring precise repairs and preventing unnecessary work.
Decades of Engine Expertise
With over 55 years of automotive experience, our technicians have rebuilt thousands of engines and understand the intricate relationships between all engine systems.
Digital Documentation System
Our comprehensive inspection process provides detailed photos and explanations of engine condition, helping you understand repair needs and make informed decisions about your vehicle.

Signs Your Engine Needs Attention
Performance Problems:
- Loss of power during acceleration
- Rough idling or engine stalling
- Poor fuel economy and efficiency
- Engine knocking or unusual noises
- Excessive exhaust smoke (white, blue, or black)
Warning Indicators:
- Check engine light illuminated
- Engine overheating frequently
- Oil consumption or burning smell
- Coolant loss without visible leaks
- Strange engine sounds like grinding or squealing
Maintenance Indicators:
- High mileage requiring major service
- Neglected maintenance history
- Multiple small problems indicating bigger issues
Don’t ignore engine problems! Small issues can quickly escalate into expensive major repairs or complete engine failure.
Our Engine Repair Process
Step 1: Comprehensive Diagnosis
Complete engine system scan and performance testing
2: Internal Inspection
Visual and digital documentation of engine condition
Step 3: Expert Analysis
Professional evaluation of repair vs. replacement options
Step 4: Clear Communication
Detailed explanation of problems and solutions
Step 5: Quality Repair
Premium parts and precision workmanship with thorough testing

Serving Lake County’s Engine Needs
Our Shop Details
Address: 7365 Grand Ave, Gurnee, IL 60031
Hours: Monday-Friday, 8:00 AM – 6:00 PM
Phone: (847) 505-0148
Convenient Location for Local Drivers
Professional engine repair and rebuilding throughout the region:


Warranty
3 Year/36K
All engine repairs are backed by our comprehensive warranty covering up to 3 years or 36,000 miles. We use premium engine components and stand behind our workmanship with complete confidence.
Engine Maintenance Prevents Problems
Regular Service Schedule:
- Oil changes every 3,000-7,500 miles
- Tune-ups every 30,000-100,000 miles
- Timing belt replacement every 60,000-100,000 miles
- Cooling system service every 30,000 miles
Benefits of Maintenance:
- Prevent expensive failures and emergency repairs
- Maintain optimal performance and fuel economy
- Extend engine life significantly
- Preserve vehicle value with documented care

Schedule Your Engine Service
Protect your engine investment
Regular maintenance and prompt repairs prevent small problems from becoming expensive engine failures. Trust D. Wells Automotive Service for all your engine repair needs.
Easy Ways to Schedule:
Engine Repair FAQ
How do I know if my engine needs major repair?
Signs include persistent overheating, excessive oil consumption, metal shavings in oil, or multiple simultaneous problems affecting performance.
Is it worth rebuilding an older engine?
We evaluate each situation individually, considering vehicle value, condition, and your needs to recommend the most cost-effective solution.
How long do engine repairs typically take?
Simple repairs may take hours, while major rebuilds can require several days depending on parts availability and extent of work needed.
Ready for reliable engine performance? Choose D. Wells for expert engine repair!
