Tavlee

J T Auto

Local business · 1553 Washington St, Braintree, MA 02184, USA

4.1(40)
HVAC / Heating & Coolingengine diagnosticsalternator replacement

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  • 7 reviews in the last 6 months

Highlights

  • Fast diagnosticssame-day alternator fix while owner was on-site
  • Transparent estimateswalks customers through options before starting work
  • Fair pricingcalled reasonable and trustworthy across Nextdoor and SureCritic
  • Certified shopASE Master techs and AAA-approved facility
  • Diagnosis disputeone customer questioned handling of a mouse-nest issue
  • Phone mannera caller said staff hung up after quoting a price

JT Auto is an ASE Master–certified, AAA-approved shop on Washington Street in Braintree — the kind of garage people call when a car just stops cooperating: a dying alternator, a check-engine light, a nail in a tire. Its Google page carries around 99 ratings averaging 4.8, and the most recent stretch backs that up more often than not. In June, the owner happened to be outside when a customer pulled in with a failing alternator, diagnosed it on the spot with a battery reader, and had the car back on the road the same day at a price the driver called surprisingly fair. A February visit came with a full walk-through of the options before any work began, and a January one followed the same pattern — a car checked over rather than just handed back. It hasn't been a clean run lately, though. A May review described a mouse nest cleaned off an engine that started acting up right after, with the customer disputing how the shop diagnosed what came next. An April caller said he was quoted a price over the phone and then hung up on before he could ask anything else — a rougher edge than the fair-and-courteous read the shop otherwise gets on Nextdoor and SureCritic. Ask how they'd handle a comeback issue if one crops up, and get pricing confirmed before committing to a repair. For the routine maintenance and same-day diagnostic work reviewers keep praising, this is a shop that mostly gets it right, with two recent misses worth knowing about before you call.

Read the comments

Most recent comments

  • 5.0Jun 16, 2026

    Stopped by JT Auto with my 2007 Accord — alternator was going out. The owner happened to be outside, grabbed his battery reader, and diagnosed it right there in the parking lot. I told him this was my work car, I needed it running. Same day, it was fixed. The price? I was genuinely shocked at how reasonable it was. John communicated with me the whole way through, no runaround. These guys are the real deal — honest, straightforward, and they actually look out for you. Highly recommend.

    Christopher LaraView on Google Reviews
  • 1.0May 12, 2026

    Usually I don't write bad reviews I elect to not return to a place, but I feel like people need to know and current reviews do not reflect my experience here.<br><br>I found a mouse nest on my engine block so I cleaned it off. Afterwards my car started acting up and the engine light went on. It was fine before that. I took it to AutoZone and the kid read it and found an ignition coil error. My old mechanic sold his shop so I had to find a new one in a hurry. This place had good reviews and I drive by daily on my way to work so I gave it a shot. I got there and explained the mouse situation and they took my car to look at it right away.<br><br>A few hours later the guy calls and says it's a knock sensor issue. In my car this sensor in underneath the intake manifold which is hard to reach and a lot of work. He quoted $1300 just to start looking at it and it could cost even more when all said and done. This seemed high and didn't make sense to me because all I did was clean off the top of the engine before my troubles began. Against my better judgement I asked if they had a payment plan system as I have a family of five and really wanted to get this done, it's our only car. After the guy laughed at me for asking I said no thanks and brought my car elsewhere the next day.<br><br>At this other place the mechanic also read a knock sensor code and took it back while I waited. But here's the important part, I didn't mention to this guy anything about the mouse just to see what he'd say. I figured a competent mechanic should be able to discover that on their own and I had a suspicion. An hour and a half and $140 later it was fixed. Turns out it was just a dirty connection from the harness to the ECU. All he had to do was wiggle the housing on the ECU to find it. NOTHING TO DO WITH A MOUSE. I must've bumped it just enough while cleaning that it was no longer making the proper connection in the state it was in.<br><br>The moral of the story is don't take these guys at face value, JT Auto heard me say "mouse" took my car for a while and automatically went with knock sensor because that's the code they pulled and mice commonly disrupt that area of the engine, opting for the easiest answer and a costly solution before they ruled everything else out first. This is exactly the kind of place car owners are afraid of when trying to look for a new mechanic at a fair price. Congrats on meeting the stereotype.

    Joshua CantaraView on Google Reviews
  • 5.0May 9, 2026

    The put service first, was genuinely amazing how helpful the owner was

    Abraham DanielsView on Google Reviews
  • 2.0Apr 14, 2026

    Hey , I called to get a price on some work , the person on phone gave me a price , I told him I be in touch and he just hung up the phone , wasn't sure who I talk to but they lacking customer skills

  • 5.0Feb 18, 2026

    My family have been going to them since they moved there. They are skilled, honest and friendly. I wouldn't go anywhere else.

Specializes in

HVAC / Heating & Coolingengine diagnosticsalternator replacement

Also offers

oil changestune-upstire repair

Languages

English

Update history

  1. Added 40 new comments, established rating 4.1

    • behind the score: Diagnosis dispute — one customer questioned handling of a mouse-nest issue

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