THE 10 BEST Transmission Services in PORTLAND, OR

Business NameKey ServicesBest ForAddressHoursPS Rating
Tim’s AATCO Transmission & TransaxleTransmission Repair, Rebuilds, Clutch Service, Diagnostic TestingHeavy-Duty Transmission Rebuilds13980 SW Tualatin Valley Hwy, Beaverton, OR 97005Mon-Fri: 8am-5pm, Sat: 9am-12pm4.7/5
River City TransmissionsAutomatic/Manual Repair, Differential Service, Transfer Case RepairBudget-Friendly Transmission Solutions6959 SE Foster Rd, Portland, OR 97206Mon-Fri: 8am-5pm4.5/5
Trans Medic TransmissionsTransmission Rebuilds, Diesel Transmission, Heavy-Duty BuildsDiesel Truck Transmission Specialists2250 NW Birdsdale Ave, Gresham, OR 97030Mon-Fri: 7:30am-4:30pm4.6/5
Bradshaw’s Transmission AnnexTransmission Repair, Clutch Service, Differential WorkEstablished Family-Owned Service7305 NE Fremont St, Portland, OR 97213Mon-Fri: 7:30am-5pm4.3/5
Everett Street AutoworksFull Auto Repair, Transmission Service, DiagnosticsDowntown Portland Convenience509 NW Everett St, Portland, OR 97209Mon-Fri: 7am-5:30pm4.8/5
Advanced Transmission & GearTransmission Repair, RV/Motorhome Service, Free DiagnosticsRV and Large Vehicle Transmissions19939 E Burnside St, Portland, OR 97233Mon-Fri: 8am-5pm4.2/5
Green Drop GarageEco-Friendly Auto Repair, Transmission Service, Oil ChangesEnvironmentally-Conscious Service1417 SE 9th Ave, Portland, OR 97214Mon-Fri: 8am-5:30pm, Sat: 9am-5pm4.4/5
Steve’s ImportsImport Transmission Repair, European Car Service, DiagnosticsEuropean and Asian Import Vehicles7273 SE 92nd Ave, Portland, OR 97266Mon-Fri: 8am-5:30pm4.7/5
Hawthorne Auto ClinicTransmission Repair, Hybrid/Electric Service, General Auto RepairWomen-Owned Business Excellence4307 SE Hawthorne Blvd, Portland, OR 97215Mon-Fri: 7:30am-5:30pm4.6/5
J&L TransmissionTransmission Rebuild, Fast Service, Warranty WorkQuick Turnaround TimesMultiple Portland Metro LocationsMon-Fri: 9am-6pm4.4/5

#1. Tim’s AATCO Transmission & Transaxle – Best for Heavy-Duty Transmission Rebuilds

Key Highlights:

  • Family-owned business serving Portland Metro for over 35 years with proven track record
  • Free 15-20 minute diagnostic testing to identify issues before costly repairs
  • Specializes in better-than-factory upgrades that make transmissions stronger and last longer

Tim’s AATCO Transmission stands out as one of Portland’s most trusted transmission specialists. Located in Beaverton, this family-owned shop has built an excellent reputation through honest work and quality repairs. They keep over 100 rebuilt transmission units in stock at their 8,500 square foot facility.

What makes them special is their approach to rebuilds. Instead of simply replacing your transmission with a stock unit like dealerships do, they install proven upgrades that make your transmission stronger than factory specifications. Their technicians are ASE certified and focus on giving you options, whether that means a simple repair or a complete rebuild.

You’ll get an upfront quote with no hidden fees, and they invite you back for a 10-day checkup to ensure everything runs perfectly. Many customers appreciate that Tim can often diagnose issues over the phone, saving you time and money.

#2. River City Transmissions – Best for Budget-Friendly Transmission Solutions

Key Highlights:

  • ASE certified technicians with over 20 years combined experience in transmission work
  • Offers 12-month written warranty on all transmission services and repairs performed
  • Known for finding quality used parts to provide low-cost options for customers

River City Transmissions has earned its reputation as an honest, affordable transmission shop in Southeast Portland. Owner Scott Backenstos and his team focus on providing quality work without breaking your budget. They understand that transmission problems can be stressful, so they work hard to find solutions that fit your financial situation.

The shop uses the latest diagnostic equipment to accurately identify transmission problems. Whether you drive a manual or automatic vehicle, their mechanics can handle it. Many customers praise their transparent pricing and realistic timelines. They’re respectful of your budget and will even search for quality used parts if that helps you afford the repair.

The 12-month warranty gives you peace of mind. While they can get busy due to their affordable rates and good reputation, customers say the wait is worth it for the honest service and fair prices you receive.

#3. Trans Medic Transmissions – Best for Diesel Truck Transmission Specialists

Key Highlights:

  • Over 30 years of transmission repair expertise with focus on heavy-duty applications
  • Specializes in Dodge RAM Cummins diesels and other diesel truck transmissions
  • Provides complimentary multi-point inspections before any repair work begins

Trans Medic Transmissions in Gresham is the go-to shop for diesel truck owners across the Portland area. With over 296 years of combined experience among their technicians, they handle everything from basic maintenance to complete transmission rebuilds. Mike, Nash, and the entire team have built a strong reputation for honest communication and expert work.

They excel at heavy-duty transmission builds designed for towing, commercial use, and off-road applications. Their technicians take time to explain the rebuild process and any upgrades they recommend for your specific needs. Trans Medic uses premium components and precision assembly techniques to ensure your rebuilt transmission performs better than stock.

They work on all types of vehicles including Ford trucks, Explorers, Chevy Tahoes, GMC Yukons, Jeeps, Subarus, and more. Customers appreciate their fast turnaround times and the shop’s commitment to standing behind their work. Their friendly, professional service makes dealing with transmission problems much less stressful.

#4. Bradshaw’s Transmission Annex – Best for Established Family-Owned Service

Key Highlights:

  • In business since 1938 with over 80 years serving Portland area families
  • Large facility allows them to handle multiple vehicles and offer quick service
  • Transparent pricing with detailed explanations before any work begins

Bradshaw’s Transmission Annex continues a legacy that started in 1938 when Gene Bradshaw set the standard for transmission work in Portland. This family business has passed through generations while maintaining their founding principles of honest work and right repairs. Their larger size compared to other transmission shops means they’re almost always available to take in your vehicle.

The team at Bradshaw’s believes in fixing what the customer brought the car in for first and doing it right the first time. They update their equipment regularly and educate their technicians on the newest transmission technologies.

Many customers appreciate their transparency about repairs needed and costs involved before any work begins. They’ll call you to discuss what your vehicle needs and provide clear pricing. For minor repairs, you might drop your car off in the morning and pick it up the same day. Their wide range of services beyond transmissions makes them a convenient one-stop shop for your vehicle needs.

#5. Everett Street Autoworks – Best for Downtown Portland Convenience

Key Highlights:

  • All mechanics hold ASE certifications with over 200 years combined experience
  • Complimentary shuttle service to downtown area provided by Lyft
  • Same-day service is their standard goal for most repairs

Everett Street Autoworks has grown from a small shop in 2001 to one of downtown Portland’s largest auto repair facilities. Located in Old Town with 18 employees, this locally owned business works on both foreign and domestic vehicles. They handle everything from oil changes to complete transmission rebuilds with equal care and expertise.

Their location makes them perfect for downtown workers and residents. You can drop your car off, take the MAX train or use their complimentary shuttle service, and go about your day. The shop is AAA approved and maintains its reputation through quality work and honest communication. They service most major brands including Audi, BMW, Honda, Toyota, Subaru, Volkswagen, and many others.

The team prides themselves on same-day service for most repairs and keeping customers informed throughout the process. Their ASE certified mechanics have the training and experience to handle complex transmission issues quickly and correctly.

#6. Advanced Transmission & Gear – Best for RV and Large Vehicle Transmissions

Key Highlights:

  • Services all vehicle types including motor homes, RVs, and large trucks
  • Offers free minor adjustment diagnosis to determine if major work is needed
  • Owner provides personal attention including possible rides home for local customers

Advanced Transmission & Gear, owned by Steve Kiesel, brings over 30 years of experience to the Portland area. Located on East Burnside near the MAX line, they make it convenient to drop off your vehicle. Steve and his crew work hard to be the best at what they do, and their dedication to customer service shows in their reviews.

What sets them apart is their ability to handle any vehicle, not just cars. They work on motor homes, RVs, garbage trucks, and any other large vehicle with transmission needs. The free minor adjustment diagnosis helps you know if your vehicle truly needs major work or if a simple fix will do.

Steve is known for his honest assessments and willingness to explain everything in terms you can understand. For customers living within 10 miles, he’ll even give you a ride home after you drop off your vehicle. While special parts for vintage vehicles or large trucks might cause some delays, they keep customers updated throughout the process. Their transparent communication helps build trust with every customer.

#7. Green Drop Garage – Best for Environmentally-Conscious Service

Key Highlights:

  • Six convenient locations throughout Portland and Vancouver area for easy access
  • ASE-certified technicians with 24-month/24,000-mile nationwide NAPA warranty
  • Eco-friendly practices include re-refined oils and low-impact chemicals throughout

Green Drop Garage takes auto repair in an environmentally responsible direction. As a NAPA AutoCare Center with six locations across Portland and Vancouver, they make quality transmission service convenient and sustainable. Their commitment to the environment started with converting diesel engines to run on vegetable oil and evolved into comprehensive green practices.

Every aspect of their service considers environmental impact. They recycle building materials for their shops, use re-refined oils, and select lower-impact chemicals. Despite their eco-focus, they never compromise on quality. Their ASE-certified technicians handle all makes and models with the same expertise as traditional shops.

The nationwide warranty through NAPA gives you peace of mind whether you stay local or travel. They offer transmission repair along with a full range of auto services. When you visit any Green Drop location, you’ll receive a warm welcome with a Stumptown cold brew and genuine service without pushy upsells. Their multiple locations make it easy to find a shop near you.

#8. Steve’s Imports – Best for European and Asian Import Vehicles

Key Highlights:

  • Family-owned for over 48 years specializing in European and Asian imports
  • Expertise with luxury brands including BMW, Mercedes, Audi, and Porsche
  • Full collision and restoration center available for comprehensive vehicle care

Steve’s Imports has served Portland since 1976 as a trusted import car repair specialist. This family-owned business truly understands the sentimental value you have with your vehicle, whether it’s brand new or a cherished classic. They charge much less than dealership rates while providing equally skilled service from well-trained technicians.

Their expertise shines with European and Asian vehicles. They work confidently on Acura, Audi, BMW, Honda, Jaguar, Land Rover, Lexus, Mercedes, Mini Cooper, Porsche, Subaru, Toyota, Volvo, and Volkswagen vehicles. The shop includes a full collision and restoration center, so they can handle everything from fender benders to complete show car quality restorations.

Their transmission repair services are upfront and honest with estimates based on accurate part costs and careful diagnostic assessments. They never forget they work for you. If a rebuild doesn’t make financial sense for your vehicle’s value, they’ll tell you honestly. Their approach focuses on giving you all the information so you can make the best decision for your situation.

#9. Hawthorne Auto Clinic – Best for Women-Owned Business Excellence

Key Highlights:

  • Women-owned and operated since 1983 with diverse, experienced team
  • Specializes in hybrid and electric vehicle transmission service
  • 36-month/36,000-mile warranty on all repairs with after-hours drop-off available

Hawthorne Auto Clinic brings a unique perspective to auto repair in Portland. Since 1983, this women-owned business has focused on stellar customer service, reliable repairs, and breaking down barriers for mechanics entering the industry. Half their team includes women with years of technical experience, some having worked as technicians themselves.

Their ASE certified technicians carry decades of combined experience working on transmission systems. They understand how transmissions work and quickly pinpoint problems. The team excels at explaining complex repairs without overwhelming you with technical jargon. They specialize in hybrids and electric vehicles alongside traditional cars, both imports and domestics.

The shop handles automatic, manual, all-wheel drive, 4×4, and CVT transmissions with equal expertise. You’ll receive updates via email, text, or phone throughout your service. They offer after-hours drop-off and pick-up so you can visit at times that work for your schedule. Their 36-month warranty shows confidence in their work and gives you long-term peace of mind.

#10. J&L Transmission – Best for Quick Turnaround Times

Key Highlights:

  • Family-owned and operated with 40 years of transmission experience between technicians
  • Six service bays allow for fast service on most transmission issues
  • Low-cost optional repairs available with transparent pricing

J&L Transmission is a family-run shop operated by father-son team Jose and Luis Marroquin. Their reputation in the Portland and Vancouver Metro area comes from satisfied customers who return for their excellent service. With six service bays and experienced technicians, they can guarantee fast service on most transmission problems.

The shop has built its customer base primarily through referrals and repeat business, which speaks volumes about their quality work. They handle both transmission repairs and complete rebuilds with skill and care. What customers appreciate is their straightforward approach to pricing and their willingness to discuss optional repairs that could save you money. If you need it, they even offer Spanish-speaking service. Their turnaround time is notably fast compared to other transmission shops.

Many customers report getting their vehicles back in days rather than weeks. They also provide oil change services and other maintenance, making them convenient for multiple automotive needs. The team’s friendly approach and quality workmanship keep customers coming back year after year.

How Much Does Transmission Repair Cost in Portland?

Transmission repair costs in Portland vary widely based on the problem and your vehicle type. Simple fixes like fluid changes or seal replacements might cost between $150 to $400. More involved repairs such as solenoid replacements or valve body work typically range from $400 to $1,200. A complete transmission rebuild usually costs between $1,800 and $3,500 depending on your vehicle.

Luxury vehicles and diesel trucks often cost more due to specialized parts and expertise required. Many Portland transmission shops offer free diagnostics to identify the exact problem before quoting a price. This helps you avoid paying for unnecessary work.

Some shops provide warranty work that can significantly reduce costs if covered. Always ask about warranties and get quotes from multiple shops. Remember that choosing the cheapest option isn’t always best. Quality repairs using good parts will last longer and save you money over time. Many shops offer financing options if you need help covering the cost of major transmission work.

What Are Signs My Transmission Needs Repair?

Several warning signs indicate your transmission needs professional attention. Slipping gears is one of the most common symptoms. Your car might rev higher without accelerating properly or suddenly change gears unexpectedly. Strange noises like grinding, whining, or clunking sounds often point to transmission problems. These noises typically get worse when shifting gears or accelerating.

Delayed engagement happens when you shift into drive or reverse but your car hesitates before moving. Leaking transmission fluid appears as red or brown puddles under your vehicle. Check your fluid regularly for low levels or burnt smell. If your fluid smells like burnt toast, get it checked immediately. The check engine light might illuminate due to transmission sensor problems. Your car might also shake, vibrate, or feel rough while driving.

Manual transmissions often show problems through clutch issues like slipping or difficulty shifting. Don’t ignore these warning signs because small problems become expensive repairs when left untreated. Most Portland transmission shops offer free inspections to diagnose issues accurately before they worsen.

How Long Does Transmission Repair Take?

Transmission repair timelines depend on the problem severity and parts availability. Simple services like fluid changes take about one hour. Minor repairs such as replacing sensors or seals usually require 2 to 4 hours of work. More complex repairs involving internal components typically take 1 to 3 days. A complete transmission rebuild or replacement usually requires 3 to 5 days of shop time.

Some Portland shops offer same-day service for minor transmission issues if they aren’t too busy. However, if your vehicle needs special parts, expect additional waiting time for parts delivery. This is especially true for older vehicles, imports, or specialized trucks. Many shops will provide you with realistic timelines upfront based on your specific situation. Busy seasons might mean longer wait times to even get your car into the shop.

Some transmission specialists keep rebuilt units in stock, which can speed up the process significantly. Ask your shop about loaner vehicles or shuttle services if you need transportation during repairs. Rush services might be available for an additional fee if you need your vehicle back quickly. Always plan for potential delays and communicate with your shop about your timeline needs.