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    Leeco Transmission

    4.7 (136 reviews)
    Open 8:00 am - 5:00 pm

    Services - Leeco Transmission

    Auto transmission repair

    Transmission leak inspection

    Leeco Transmission Photos

    Recommended Reviews - Leeco Transmission

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    Fluid compairson that i drained from my transmission after I towed it home -  completely unaware that it overheated while at the shop.

    SERIOUS CONSUMER WARNING - DOCUMENTED TRANSMISSION TEARDOWN AFTER "REBUILD". I brought my truck with its 4L80E transmission to this ATRA member shop for a full rebuild. The owner, Mr. Lee, stated he has 43 years of experience and that he personally performs all the rebuilds. I paid him $2,850 and supplied an additional estimated $1300 in quality brand new parts, which he inspected and agreed to install. For context, I have 20 years of experience working on vehicles and am a certified diesel mechanic. The main reason I brought the transmission to a shop was that I didn't have the space nor resources at the time to perform a full removal, installation, and rebuild myself. Communication was polite initially, and the owner appeared willing to work with the parts I supplied. He was also extremely fast and did the actual rebuild in half a day. The transmission failed three separate times within three weeks, requiring removal and reinstallation each time. After the third failure, I towed the truck home and completely disassembled it myself. During teardown and measurement, I documented multiple serious assembly and quality-control issues, including: -Wrong pump installed, despite being told no hard parts were changed -Intermediate clutch pack assembled with incorrect clutches, leaving clearance nearly three times outside specification (which can prevent the clutch from holding properly and lead to rapid failure) -Sun gear installed upside down, blocking a critical lubrication hole required to supply oil to internal components -Several worn bearings, steels, seals, and other components appeared not to have been replaced -Reverse band misadjusted to the point the output shaft would not rotate in any gear The FIRST failure was caused by a transmission fluid leak from an old 180k-mile pump bushing and seal that were not replaced. The SECOND failure was explained to me as transfer case and transmission cracking as soon as Mr. Lee shifted into Drive.. the shop claimed it was caused by my driveshaft despite it being the original factory driveshaft with new, unbound U-joints. The THIRD failure caused severe transmission overheating (never disclosed to me) during Mr. Lee's 5-mile test drive, with a claimed valve body diagnostic code that never appeared when I scanned the truck myself. Because this truck is critical for my cross-country towing work, I ultimately spent three months in very difficult circumstance personally performing a very slow but full transmission teardown in order to rebuild the transmission correctly. I have extensive photos and video documenting all findings of why this transmission had repeated failures in a span of three weeks. If proper assembly, reliability, and accountability matter to you, I strongly recommend choosing another shop.

    Fixing transmission leak on my truck
    Jesus A.

    Mr Lee, and sam Best in the business, been my To go guys for all my transmission Problems , there very knowledgeable And good (best) pricing I recommend them percent good people

    Kyoo C.

    Leeco rebuilt the transmission on wife's 2013 Lexus ES350 over a month ago and it's been running smooth since. I usually do basic maintenance myself, but I seek professional help when I know there's something wrong inside an engine or transmission. Lexus/Toyota says the trans fluids are "lifetime", but of course there is no such thing as lifetime. They make it especially difficult to change/refill the fluid so never changed it until after ~120k miles. After about 5 months, wife complained the car didn't want to move from stop until engine revved and trans suddenly caught on. I'm no mechanic so assumed maybe the trans fluid filter is getting clogged, so changed the fluid a 2nd time (failing to get the pan off due to 1 bolt above frame that's not reachable with normal tools!). Would hear some soft slushy grinding sound in 1st gear, then silent once into 2nd. After getting a shallow swivel socket a week later, finally was able to change the filter and the 3rd fluid change! Was expecting to see some metal shavings on the pan magnet, but there were also pieces of metal chunks, like small rods (needle bearings)?!?!!? Drove to the market and car now would NOT shift into reverse at all! Multiple shifts and tries and restarts later, gave it a good dose of gas and it caught into reverse. Shifted to drive and drove home, but the car was making a much louder slush grinding sound all the way. I raised the white flag/surrendered and searched for transmission shops. There are couple around La Habra that seemed ok or pretty good reading over all the Yelp reviews. But Leeco Trans, although some 40 mins drive away, stood out to me as my best bet, because there was 1 or 2 reviews mentioning Lexus/Toyota transmission, while other shop reviews didn't. I wanted to take the car to a shop with experience on the U660 transmission and Leeco ended up being my choice, especially considering the owner, Mr. Lee, has been rebuilding trans for 4 decades! Called into 2 other shops, but felt Leeco probably had the most rebuilds on Toyota transmissions. Estimates were all in the same ballpark, there is no accurate estimate until trans is opened to see what's broken (mine had chewed up gears that got replaced so ended up on the higher end of the ballpark). The Lexus felt and drove smooth going to the shop, like the ailment that disappears when you arrive at the doctors office. Mr. Sam greeted me and I explained what I had done up to now and the symptoms and showed the pieces of metal that I cleaned out from the trans fluid pan. He explained the case to Mr. Lee and Mr. Lee took the car for a test drive to see if he could experience the problem. But of course the car was purring this day. Mr. Lee came back and said if I didn't show him the metal pieces he wouldn't think anything was wrong, lol. We left the car with him to go ahead and open up the trans and see what's happening on the inside. Well, things were pretty chewed up inside! Mr. Sam kept me updated on status and once trans was fully open and diagnosed, he sent me pictures of the damages Mr. Lee found. Told them to please go ahead and replace damaged parts and rebuild the trans, since I expect the engine is good to go another 120k miles easily since did the PITA spark plugs just few months ago! Took couple of days, mainly due to waiting for replacement parts, but Mr. Lee got it rebuilt and back in the car, maybe took a week in total. Car drove smooth and trouble-free again! Don't really appreciate Lexus/Toyota until you drive something else for a week, lol. The next weekend when wife pulled out of garage, I noticed there were some drops of fluid on the floor! Wiping it up, I knew it's the trans fluid (reddish)! A quick panic attack and when wife came back, I went ahead and jacked up the car to go under there again (tired of the transmission area after so many times, lol). The transmission looked clean, but saw some fluid maybe around the trans pan gasket area. Texted Mr. Sam and he responded even on his day off to bring it back in and will check and take care of it. They found a bad gasket that did not seal the pan properly, so went ahead and replaced with a new gasket. Mr. Sam kept me in the loop and he wanted to leave the car up overnight to make sure the new gasket will not leak. Confirmed it's good the next day and picked up and it's been dry and driving happily ever after:) Leeco trans in my experience has been trustworthy and honest, it's everything I would want in a transmission shop. Mr. Sam is responsive by phone and text to keep you updated. Mr. Lee is an unassuming gentleman that packs 40 years of transmssion experience, what more can I ask for!? Mr. Lee personally rebuilds each transmissions himself, just has guy/s remove/reinstall the transmission that he seems to disassemble/repairs alone. Maybe even other shops send cars to Leeco? since I saw more cars on each visit and Mr. Sam always getting calls and he tells them bring it in! LOL!

    Car being dropped by AAA towing
    Greg G.

    "The Best in the West" Having a family run a small business like Lee Co.Transmission of El Monte for the past (40)+ years wasn't easy dealing in Los Angeles County. Sure there's ups and downs in every business, and absolutely I've been through all kinds of places for a transmission rebuild and/or replacement throughout my life. Been there and done there, like having servicing at the local VW DEALERSHIPS and not to mention AAMCO!!! I've been overcharged and legally robbed by those HUNGRY, THIRSTY and GREEDY places that I've just mentioned. Last week I hit the sidewalk on my GERMAN VW. Oil immediately leaked all over shopping center. I knew immediately that the transmission oil pan was hit and cracked!!! I HATED EVERYTHING AT THAT MOMENT, nobody to blame except myself... Called AAA next morning and got it towed back to my house. Next morning, I called the VW Dealer of Downtown L.A. wherei bought that car... ESTIMATE = $1,600 Started calling every mechanic shop in El Monte... Prices estimated? $1,400 $1,400 $1,200 $900 I figured since I'm dealing with transmission, call transmission SPECIALIST!!! Mr. Lee answered, (YANABASEEYO) and transferred the call straight to his business manager by the name of Sam!!! I told him my situation... Sam beat ALL THOSE PRICES that I've mentioned, and took the job right away... Said BRING THE CAR NOW!!! After car arrived with AAA to his shop around 12:00pm Was hot 100* outside, I said I'll go get a bite at McDonald's down the street... I left at 12:30pm to McDonald's... They never said anything accept, take your time Greg. I came back at 1:30pm WTF ??? I couldn't believe my eyes. Car was running with the A/C on. Boss said, go take it for a test drive, I took off on the (10) freeway right around the corner. Ran better than ever!!! SMOOTH OPERATOR!!! Came back with a smile, paid the money without any bla bla and bla... I asked one question from Sam and Mr. Lee Why so fast? How??? Everybody claimed it'll be 2-3 days, plus expect some other BS from others. Maybe some other issue... I was ready to buy a KY-Jelly just in case. "THEY ARE HONEST & THE BEST IN THE WEST" They said that their shop is equipped with every part and accessories on premises!!! I will ALWAYS recommend them. Thank you Thank you and God Bless you guys...

    If you need a transmission rebuilt go to Leeco..if you need an ice cream truck for an event let us know Chilichilimango.com

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    26 days ago

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    1 month ago

    Great guy come see him easy to talk to and willing to help out. Need help and good price this is the spot

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    1 month ago

    Excellent service great work and my truck runs amazing and they beat everyone's prices

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    1 year ago

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    2 years ago

    Mr Lee is very helpful and knowledgeable. Fixed the transfer case issue on my 2013 Sequoia and 4wd system is working again now

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    Page 1 of 4

    Ask the Community - Leeco Transmission

    Review Highlights - Leeco Transmission

    Lee and Sam took the vehicle for a few hours and got it running again for a fraction of the price.

    Mentioned in 62 reviews

    Read more highlights

    World Transmission - Removing the old trans and transfer case from when it was 4 wheel drive

    World Transmission

    (11 reviews)

    My truck broke down off the 10 fwy and Hoover and had it towed to my mechanic (Sams Brake Shop) off…read morelive oak and Santa anita. He recommended me to this place. Although they don't have a tow service, Christina was able coordinate towing my truck to this shop where they rebuilt the tranny, transfer case, differentials, and replaced a couple of parts. World transmission is a family owned business with respectful people. David is very knowledgable and knows his craft. He went over the details of how my transmission worked and how to preserve its lifespan given that it's a 4x4. Christina is very professional and stands by her word. After I left I reviewed their work and noticed the dust shield on one my brakes was carving into the rotor. I phoned in and was asked to bring the truck back and within the hour of bringing it in, had the rotor replaced with a new one. Mind you that the differential was used so the dust shield may have been bent to begin with. But the important thing is that they didn't play the blame game. Instead they took responsibility and within the hour having brought in the truck, I was already driving off the lot with a brand new rotor. I am completely satisfied with the work and the amount that I paid for it. Truly worth the price. As Andre (see previous post) put it in his post, this is place has the best prices in town. Their prices are fair for the amount of work that needed to be done. The only downside in my opinion is that they have too much work and they don't open on weekends other than Saturday to return the cars. Thus the need to take time off of work to deal with all this. Overall though I can say that I will continue to service my truck here as well as brining my other 2 cars which may be long over due for some transmission service. Thank you Christina for your friendly smile, firm handshake, and professional services. -KC

    Just had my transmission fully rebuilt here 2016 Ford…read morefusion very knowledgeable staff, Office manager Cristina is very polite And knowledgeable, They are here to help you and not sell you anything, Shop is clean mechanics and Techs are very friendly if you have a Ford fusion or focus or Escape fiesta they all have the same transmission and transmission issues Take it here they've done many of these transmissions and know what they're doing, I will come again for any future work on any of my other cars.. Best transmission I've ever been to #1 in the sgv

    Hye-Tech Auto Repair

    Hye-Tech Auto Repair

    (351 reviews)

    Our family's Ford Explorer required a water pump replacement…read more I visited several local auto shops to obtain quotes and was shocked, disappointed, and discouraged at the prices I was being quoted for the work my vehicle required ($5,000-$7,500) Shame on me for not reading Yelp reviews before wasting my time visiting other auto shops. I read the many positive reviews for Hye-Tech Auto Repair and decided to visit them. Upon entering, I was greeted by John (owner) with a friendly, "Welcome, how may I help you?" I explained that my Ford Explorer needed a new water pump and a few other items that other auto shops had advised me would require repair or replacement. While John looked up a few items on the computer to provide me with a quote, he introduced me to his son, Harry, who happened to be in the office. Thirty seconds later, John provided a quote that was $3,500-$4,000 less than the other shops. I could not believe it. John explained that he makes his living and succeeds in his business through repeat customers, and he does not believe in gouging customers for every last penny. He also shared that when he retires, his son Harry will take over the business, and he wants to leave Harry with a solid foundation of loyal repeat customers. It was then that I knew I could trust John and his son Harry. John went on to explain that replacing the water pump on a Ford Explorer was a 10-12 hour job, as it was an internal pump requiring numerous engine parts to be removed to reach it. This was the same thing all the other shops advised me. John suggested that I leave my vehicle, and he would perform a full inspection of the engine and contact me before doing anything to it. I agreed and left my vehicle. The following day, I was contacted by John, who advised me that the water pump did indeed need to be replaced, as it was the source of the constant leaks of the water coolant. I left my vehicle in John's shop for three days. During this time, John or his son, Harry, contacted me numerous times to keep me updated on the progress of my vehicle and also to point out that mechanics had discovered two or three very inexpensive items (under $50.00) which they recommended replacing, which I agreed to have done. All in all, I was and am extremely impressed and satisfied with everything about this shop. I spent much less money to have five different issues repaired on my vehicle at Hye-Tech than what I was quoted to replace my water pump alone by every single shop I visited prior to coming to Hye-Tech. John and Harry are very friendly, honest, and trustworthy. They are also very knowledgeable and experienced, and they offer GREAT customer service and communication. This is my new go-to shop for any issues involving our family vehicles. Thank you, Hye-Tech Auto Repair, for a very positive experience.

    I opened a Yelp project to try to get my transmission serviced. The dealership wanted to charge me…read more$1300 for this service. Yelp projects are one of the best things I've ever experienced. It's nice to see you can get quotes at the touch of a button on your phone. This morning, I had time off, so I headed in to get my service done. I did not have an appointment and that did not seem to matter. I arrived first thing in the morning at 8 AM and ask if the service could be done. Harry was an exceptional young man, he took me in with no problems, no questions. He said they could do it this morning. I told him I would have to wait. He had no problem with that either. Prior to bring in the car in this morning, as I said, I used a yelp project and had several people reach out and give me quotes. After looking at all the yelp reviews I decided to give this place a try. I am super happy that I did. This place is a hidden gem, excellence, service, quality, and value for what you receive. There are not very many shops where you could feel comfortable and put your trust in them. As I spent time in the lobby, I was able to see customer service on the phone and customer service entering the facility. Every customer that walked in, seem satisfied and was treated with dignity and respect. I highly recommend this place if you have any automotive questions whatsoever.

    Leeco Transmission - transmissionrepair - Updated May 2026

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