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Guaranteed Transmission

3.7 (3 reviews)
Closed • 8:30 am - 6:30 pm

Services - Guaranteed Transmission

Auto transmission repair

Transmission leak inspection

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Art of Maintenance - Welcome to Art of Maintenance!

Art of Maintenance

(167 reviews)

Piedmont, Northeast Portland

Kevin, Robert and Sierra are always a pleasure to work with they keep you updated on what's going…read moreon. They get you in and out as quickly as they can while preserving the quality of work. They do their best to fit you in when you need it most. Spending money on your car is always an inconvenience, but the quality of work they provide the value is there.

Made an appointment here via the website, which I enjoyed was very easy…read more Upon entering the shop, they were just opening so the computer was slow and they had a client ahead of me. I listened in as the attendant was working with the previous client, when it comes to a woman going into a maintenance shop there is that stigma with women and car shops. I'm always on alert when I'm at a car shop because mechanics have been known to overcharge women. When it was my turn I had said i was there for my appointment, but the massive American flag outside is what made me ask this question. I had asked if this was a locally owned shop which they agreed but I asked what their stance is on the climate of the country and they said they all have different stances. As a veteran who served this country I don't feel comfortable giving my money, my car or the belongings in my car to this shop. Or leaving my car unattended with them. I stated this, and this attendant started telling me about this and that. I don't care. I care about my community, and if my money is going to the right places. And I got my confirmation that it is not here.

Transmission Exchange Company

Transmission Exchange Company

(9 reviews)

Eliot, Northeast Portland

Ordered a new transmission for my 1995 Isuzu Trooper from Transmission Exchange, December 21. They…read moresaid it would take 6 weeks to build. Due to people getting sick, it took then over two months to complete the job but they charged me $1839 on February 16.... I had Japanese Auto Repair on Stark put it in and when he put it in the first time, there was a LEAK!!! SO they had to come pick it up from Japanese Auto (after he took it out) and do the work over a weekend because our car was stuck in someone else's bay holding his work up. I don't know how well your math is but Japanese Auto had to put the transmission in TWICE costing me DOUBLE. I wasn't too worried because I have warranty.... These lousy people didn't even apologize for their mistake until I asked for one and they only reimbursed me $387 when I was expecting double that amount since they are the ones that costed me an extra $700+ because they didn't inspect it well enough, their waiting message on the phone is the worst. I collectively spent hours listening to "We exceed your expectations, we specialize in transfer case repair which is what was leaking after their "repair" as well as a part about "don't waste time". Get this my transmission is not working still today. We go back to a mechanic for an inspection end of this month but looking like we will have to see them is small claims court as well as contact the BBB... DO NOT WASTE YOUR TIME, MONEY OR ENERGY WITH THIS COMPANY! DAN AND SPENCER PRACTICE SLIMEY BUSINESS ETHICS

I didn't feel the need to leave a negative review until now. Do not come here... ever. I was…read moreattracted to the cheap dollar sign for getting a rebuilt transmission. I was in and out of this shop for 3 MONTHS. It was a scam honestly. Each time I returned to pick up my van, they claimed it was fixed, and for the inconvenience of having to keep coming in, they gave me a new part for free. However, due to what I imagine is incompetence or laziness, they did not put in the parts correctly. I wound up going to a different mechanic in Hays to have them take a look at it. They felt for my situation and informed me that the mechanic was indeed incompetent at Transmission Exchange. It was an easy, easy fix that took 4 hours for them to figure out what Transmission Exchange couldn't in 3 months. Though the cheap dollar sign sounds attractive, save the money and go to a competent mechanic instead.

Good Carma - Community board with local postings!

Good Carma

(4 reviews)

Woodlawn, Northeast Portland

Immediately upon walking in I was greeted by the attentive customer representative. Ranger had a…read moremassive smile on his face. (In photo he's melted by pets) Being a woman who goes to a car mechanic is always stressful. This is by far the most welcoming car shop I've ever been in. I got checked in, they got my car started and got my first oil change here is. I loved the inclusivity THIS is a shop that cares about the community. They have a community board up with local information, and local businesses, they have a book shelf FULL of books many different varieties! I saw they have a small nook, for a customer study room, it just seems like they have this place so thought out well and have it feeling extremely inviting. I got the estimate and it says 55 for an oil change which I'm actually fine with, again as a women who goes to car shops alone I'm already expecting to pay at least 70 for that. ON TOP Of this being such a great deal, Mo showed me what was going on with my car and gave me an estimate of what my car needed and showed me proof of this necessity. Informed me on the status of it and what to keep an eye out for Informed me it's not an asap type of repair but I need to keep an eye out on it and start saving for this guy. It was just so refreshing to come to a car shop that felt so welcoming. WOW. Definitely my new car shop here in Portland. Thank you Good Carma, and thank you for such an amazing experience, and at a car shop! I can't stress this enough. Take care yall.

Good Carma is the best! I've had a couple of services here already. It was refreshing to walk into…read morea space that has such a welcoming vibe: there are books to read and games to play while you wait. AND there's a friendly, cuddly dog on the premises! The mechanic called me into the garage to show me what was going on with my car, which blew my mind! No mechanic has ever invited me to cross the threshold from front office to garage. Good Carma is working to become an empowering community auto shop, and they mean it! With every customer interaction and with every free community workshop they offer, Good Carma is putting out the vibes that anyone can understand more about the vehicles that transport them around all the time. Good prices, great work, fantastic customer service, and a community-centered place. What are you waiting for? Why not have an auto mechanic that you enjoy visiting? Tell your friends! I didn't know what I was missing until I became a customer at Good Carma. Don't give another dime to boring macho auto shops.

Guaranteed Transmission - transmissionrepair - Updated May 2026

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