Warranty

Best in town 5 year/50k mile warranty

Peace of Mind

Roadside 

assistance

Financing

0% interest financing options available

Experts

ASE certified technicians

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Shuttle

Free shuttle service while we work on your vehicle

400+ 5 Star Reviews

400+

Reviews

Free Second Opinion Inspection.
100% Price Match Guarantee.

Free Second Opinion Inspection. 100% Price Match Guarantee.

Transmission Replacement

Restore Smooth Shifting and Drive With Confidence

A healthy transmission keeps your vehicle moving smoothly from every stop, turn, and highway merge. When it begins to fail, everyday driving can become frustrating and unreliable.

We had them replace the engine on our 2002 Toyota Echo. It now runs like a charm, and they gave us a three year, 30,000 mile warranty on the engine and labor. We highly recommend Multnomah Automotive!

Joel Glick

We had them replace the engine on our 2002 Toyota Echo. It now runs like a charm, and they gave us a three year, 30,000 mile warranty on the engine and labor. We highly recommend Multnomah Automotive!

Joel Glick

Transmission Replacement Services

What Makes Multnomah Automotive the Right Choice for Transmission Replacement?

Transmission problems rarely improve on their own. You may first notice delayed shifts, slipping gears, or unusual sounds, but these symptoms often point to wear that’s happening inside the transmission. In some situations, repairs can solve the problem. When internal damage is too extensive, however, replacing the transmission is often the safest and most dependable way to restore your vehicle’s performance.

 

Our technicians carefully inspect the transmission, evaluate its overall condition, and explain your options before recommending a replacement. If transmission replacement is the best long-term solution, we perform the work with quality components, careful installation, and attention to every detail. Multnomah Automotive’s goal is simple: help you leave with a vehicle that shifts smoothly and performs the way it should.

Schedule A Transmission Replacement Today!

Common Signs Your Transmission May Be Failing

Addressing these problems early can help prevent additional damage throughout the drivetrain. Watch for these warning signs before a minor issue becomes a major breakdown:

When a vehicle is exhibiting grinding, humming, and/or whining noises it may indicate internal transmission wear, damage, or component failure. Potential causes include worn or damaged gears, bearings, shafts, planetary gearsets, or other internal transmission components, as well as low, contaminated, or deteriorated transmission fluid resulting in inadequate lubrication. These conditions can create abnormal noises that may vary with vehicle speed, engine RPM, acceleration, deceleration, or gear selection. If the noise is originating from significant internal transmission damage or wear, continued operation may result in further component deterioration and transmission failure. Due to the potential extent of internal damage and the need to restore proper and reliable transmission operation, transmission replacement may be necessary.

This might indicate an internal transmission concern or loss of proper hydraulic control. Potential causes include worn clutch packs, bands, or other internal components; malfunctioning shift solenoids or valve body components; low or deteriorated transmission fluid; or inadequate hydraulic pressure needed to apply the selected gear. These conditions can cause delayed gear engagement, shift hesitation, inconsistent shift timing, and increased engine RPM before the transmission completes the shift. If the hesitation is the result of significant internal wear, damage, or continued transmission deterioration, transmission replacement may be necessary to restore proper shifting performance, drivability, and reliable vehicle operation.

When the vehicle is experiencing difficulty moving into gear, it may indicate an internal transmission malfunction or loss of proper hydraulic control. Potential causes include worn or damaged clutch packs, bands, gears, or other internal components; malfunctioning shift solenoids or valve body components; low or deteriorated transmission fluid; or inadequate hydraulic pressure needed to engage the selected gear. These conditions can cause delayed or incomplete gear engagement, hesitation, harsh engagement, or a failure to transfer engine power to the drive wheels. If the condition is the result of significant internal transmission wear or damage, transmission replacement may be necessary to restore proper gear engagement, drivability, and reliable vehicle operation.

This may indicate excessive transmission heat, fluid deterioration, or internal component wear. Potential causes include overheated or degraded transmission fluid, slipping or worn clutch packs and bands, excessive internal friction, or inadequate lubrication caused by low fluid levels. These conditions can generate excessive heat and cause the transmission fluid and internal components to deteriorate, potentially resulting in additional damage to gears, bearings, seals, and other transmission components. If the burning odor is associated with significant internal transmission wear, overheating, or damage, transmission replacement may be necessary to correct the underlying condition, restore reliable operation, and prevent further transmission deterioration.

If a vehicle is exhibiting transmission fluid leakage beneath the vehicle, it may indicate deteriorated seals, gaskets, O-rings, axle seals, or damage to the transmission case, pan, or other transmission components. Continued fluid loss can result in a low transmission fluid level, causing inadequate lubrication, reduced hydraulic pressure, overheating, abnormal shifting, and accelerated internal wear. If the leak has contributed to significant internal transmission damage or if the source of the leak involves damaged transmission components or housing, replacing individual seals or repairing the leak may not fully correct the underlying condition. Due to the potential for continued fluid loss and associated internal damage, transmission replacement may be necessary to restore proper fluid containment, performance, and reliable vehicle operation.

This may indicate internal transmission wear or failure. Potential causes include worn or damaged clutch packs, bands, gears, or other internal components, as well as low or deteriorated transmission fluid causing inadequate hydraulic pressure and lubrication. A malfunctioning valve body or shift solenoids may also prevent the transmission from maintaining proper gear engagement. These conditions can cause the transmission to unexpectedly disengage or shift out of the selected gear, resulting in increased engine RPM, reduced acceleration, hesitation, or inconsistent power delivery. If the slipping is caused by significant internal transmission wear or damage, transmission replacement may be necessary to restore proper gear engagement, drivability, and reliable vehicle operation.

This may be an indication that the vehicle’s transmission control system has detected a fault that may affect transmission operation or performance. Potential causes include internal transmission wear or damage, malfunctioning shift solenoids, valve body concerns, abnormal hydraulic pressure, sensor failures, or improper gear engagement. These conditions can result in shifting problems, slipping, delayed engagement, or other drivability concerns and may indicate that the transmission is not operating within its intended parameters. If diagnostic findings confirm significant internal transmission wear or damage, transmission replacement may be necessary to address the underlying condition, restore proper transmission function, and ensure reliable vehicle operation.

This could indicate that the transmission is not effectively transferring engine power to the drive wheels. Potential causes include slipping or worn clutch packs, bands, gears, or other internal transmission components, as well as inadequate hydraulic pressure, malfunctioning shift solenoids or valve body components, or deteriorated transmission fluid. When the engine RPM increases without a corresponding increase in vehicle speed, it can indicate internal transmission slipping or loss of proper gear engagement. If the condition is caused by significant internal transmission wear or damage, transmission replacement may be necessary to restore proper power transfer, acceleration, drivability, and reliable vehicle operation.

Experts

ASE certified technicians

Save $

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Shuttle

Free shuttle service while we work on your vehicle

Service Areas

Trusted Transmission Service in Portland, Oregon

Drivers across Portland, Oregon trust Multnomah for honest recommendations and dependable repairs that put long-term reliability first. When transmission replacement becomes necessary, our experienced technicians take the time to perform the job correctly, helping restore smooth performance and dependable operation. Whether you use your vehicle for commuting, work, or family travel, we’re committed to helping you get back on the road with confidence.

Schedule Your Transmission Inspection Today

If shifting doesn’t feel as smooth as it should, visit us for a professional inspection and find out whether transmission replacement is the right solution for your vehicle.

Testimonials
Customer Reviews
Real
Experiences.
Real
Results.

Jason was so kind and gave me great advice even though my car was at another shop. He’s honest and sincere, and knows how to get his customers back on the road.

Jo Foster

Wonderful and fast costumer service. Very accommodating and friendly. They take the time to explain the issues and are flexible with your schedule and time. Extremely reliable and trustworthy service and workers!

Madison Novacek

My car’s tires blew out right near their shop, and they were super helpful in getting new tires in and replacing them within one day. Really helpful, and professional.

Guy Outred

These guys are awesome! I had a problem with a battery install, brought the car back and they replaced the battery free of charge. Great communication, helpful advice too!

Hunt Lewis

I have been going to Multnomah Automotive for all my car repair needs. Every time I have been there, I have received stellar customer service. I could not have asked for a better Auto Repair shop. Thank You Jason!

Yonix Seyoum

Jason helped fix multiple issues in my Toyota for $2000 less than what the dealer wanted. Jason and his team worked quickly and communicated clearly about issues that needed to be addressed. As long as Jason is there we’ll be bringing in our cars for service.

Greg Hibbard

I had my brakes replaced here based on a recommendation from a coworker. They were helpful, honest, and got it done in one day!

Kendra Allen

This auto shop was great! They were so nice and helpful in everything they did. They diagnosed my problem quickly and replaced my battery very fast. Very inexpensive for the job performed and gave me quite a discount! Choose these guys they are the way to go!

J Delaney

Good, honest service. Reasonable prices. Jiffy Lube is right across the street from me, but I still make the 20 minute trip to Multnomah Automotive because of those qualities.

Alex

Definitely recommend Multnomah Automotive for those searching for local auto care needs. They are friendly, honest, communicative, and work til they find a solution for the problem. Very happy to have them around for our ever-evolving car problems. Thank you!

Julie Lau

During the last year I have taken my Dodge to Multnomah Automotive for both a major engine repair and a standard oil change. I felt respected and cared for both times and highly recommend this friendly neighborhood shop.

Signa Haygarth

Had my starter go out. They were able to diagnose and replace within two days despite being extremely busy. They also provided a full inspection without being pushy or trying to upsale. Good honest work. Thanks!

Spencer Short

*Rates from 0%-36% APR. Payment options through Affirm are subject to an eligibility check, may not be available in all states, and are provided by these lending partners: affirm.com/lenders. Options depend on your purchase amount, and a down payment may be required. CA residents: Loans by Affirm Loan Services, LLC are made or arranged pursuant to a California Finance Lenders Law license.

400+ 5 Star Reviews

Warranty

Best in town 5 year/50k mile warranty

Peace of Mind

Roadside assistance

Financing

0% interest financing options available

Experts

ASE certified technicians

Save $

Get a dealer alternative estimate on your repair

Shuttle

Free shuttle service while we work on your vehicle