Business Details
Emergency
services
Trusted Auto Repair & Transmission Services in Oklahoma City
At Milex Complete Auto Care - Mr. Transmission - Mr. Transmission, we combine over a century of collective experience with veteran-owned values to deliver honest, reliable auto repair services in Oklahoma City. As part of a nationwide network, we offer transmission repairs, brake services, and maintenance with a nationwide warranty honored at 120+ locations. Our team prioritizes transparent communication, fair pricing, and community-focused service, ensuring vehicles of all makes and models receive expert care. We emphasize preventative maintenance and diagnostics to keep drivers safe and vehicles running efficiently, backed by testimonials highlighting trustworthiness and technical expertise. 
Services
Transmission Repair
Brake Service
Oil Changes
Diagnostic Services
Check Engine Light
Clutch Repair
CV Joints
Emission Systems
Pre-Purchase Inspection
Towing Service
Highlights and features
- We offer over 100 years of combined experience in transmission and auto repair.
- Our veteran-owned business prioritizes small-town values and transparent service.
- Nationwide warranty covers repairs at 120+ locations across the U.S.
- Complete auto care services under one roof for all makes and models.
- Free towing on major repairs and 24/7 emergency service availability.
What people say
Honest service
Expertise
Fair pricing
Quick repairs
Nationwide warranty
Services
Transmission Repair
Expert repair for automatic and manual transmissions in all vehicle types. Our specialists diagnose shifting issues, leaks, and mechanical failures using advanced tools. Services include rebuilds, reseals, and torque converter repairs, backed by a nationwide warranty.
Brake Repair
Comprehensive brake inspections and repairs for safety-critical components. We replace pads, rotors, and fluids while addressing warning signs like squealing or vibration. Free visual inspections ensure reliable stopping power for Oklahoma City drivers.
Oil Changes
Preventative maintenance using quality oils and filters to extend engine life. Our technicians perform fluid top-offs, filter replacements, and system checks. Special pricing available for routine visits to encourage regular maintenance.
Diagnostic Services
Computerized troubleshooting for check engine lights and performance issues. We interpret error codes, test sensors, and provide clear explanations for repairs. Services cover engine, transmission, and emissions systems with no hidden fees.
Check Engine Light
Specialized diagnosis for illuminated check engine lights. Our process includes code reading, component testing, and repair recommendations. Technicians identify issues ranging from minor sensor faults to major mechanical failures.
People
Roman Combs
Owner
Veteran-owned business leader with decades of transmission repair expertise. Prioritizes community values and transparent service. Personally oversees complex repairs and customer satisfaction initiatives.
Dan Schrock
Master Certified Lead Tech
Senior technician specializing in transmission diagnostics and repairs. Recognized for solving complex mechanical issues and mentoring junior staff. Ensures technical excellence in every service.
Curtis Davis
Service Advisor
Customer service expert coordinating repair processes. Explains technical details clearly and advocates for fair pricing. Builds trust through consistent communication and follow-up.
Questions
What auto repair services do you offer?
We provide transmission repair, brake service, oil changes, diagnostics, clutch repair, and more. See our full list online.
Is your warranty valid outside Oklahoma City?
Yes, our nationwide warranty covers repairs at 120+ locations across the continental U.S.
Do you handle emergency repairs?
Yes, we offer free towing for major repairs and emergency service during business hours.
How often should I get an oil change?
Follow your vehicle manual's recommendation, typically every 5,000-7,500 miles with conventional oil.
Can you service all vehicle types?
Yes, we repair transmissions and perform maintenance on all makes, models, and drivetrains including hybrids.
