Transmission Upgrades
Precision transmission upgrades and performance enhancements—shift-kit installations, upgraded valve bodies, custom billet & multi-disc torque converters. Our team boosts acceleration, towing capacity, and shift quality for reliable power in daily drivers and high-performance rigs.
Schedule an appointmentAbout the service
Advanced transmission upgrades and performance enhancements engineered for daily drivers, towing rigs, and high-output applications. Our expert technicians leverage precision machining and factory-grade components to boost shift response, torque handling, and overall drivetrain efficiency—delivering reliable power and longevity under every load.
What does the services includes?
- Shift-kit installation for crisper, faster gear changes
- Upgraded valve-body machining and calibration
- High-stall and low-stall torque-converter builds
- Billet and heavy-duty torque-converter fabrication
- Custom clutch-pack upgrades and reinforced bands
- ECU and control-module programming for optimized shift scheduling
- Performance fluid and filter selection for heat management
- Dyno validation and road-test tuning to verify gains
Frequently Asked Questions
Transparency and clarity are key at Trans Medic. Below, you’ll find answers to our most common transmission service questions—if you need more detail, just reach out to our Portland team.
Do you offer free transmission diagnosis?
Yes. We provide complimentary multi-point inspections for customers considering repairs or rebuilds. Our technicians check fluid condition, look for leaks, test line pressure, and scan electronic controls—so you’ll know exactly what your transmission needs before you commit.
What payment methods do you accept?
We accept all major credit cards (Visa, MasterCard, American Express, Discover), debit cards, and cash. Checks are accepted on a limited basis.
How much time does a transmission service take?
A standard transmission service is completed within one business day. During this process, we drain old fluid, replace the filter, refill with fresh fluid, and perform a thorough inspection to ensure smooth operation.
How much time does a transmission repair or rebuild take?
Transmission repairs and rebuilds generally require 2–5 business days, depending on parts availability and the extent of needed repairs. We’ll provide regular updates and work diligently to return your vehicle as quickly as possible.
What are your operating hours?
Monday–Friday: 7:30 AM – 4:30 PM
Saturday & Sunday: Closed
Feel free to book an appointment online or call (503) 667-8242 for same-day availability.
