Monster TransmissionComplaints and Reviews

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  • Customers like
    • Nice and clean 1
    • Resolution of complaint 1
    • Shipping and quality at first 1
  • Customers don't like
    • Quality of work 7
    • Customer service 5
    • Warranty 4

Long, expensive story. Let's just say simply "DON'T buy from this company"!!!! Simply, 3 months down time, 2 trannys, 3 installs, 60 plus emails, threatened lawsuit, $2,500 plus out of pocket and NOT happy that I have to have this one repaired or replaced as it isn't functioning properly. For more info, email me at puppychaos@gmail.com BEFORE you deal with a "Monster" headache. Add comment

Promised a transmission they had in stock they could rebuild. Turns out they did not after charging him $1900. Picked up his core, finally said it was trashed and not rebuildable. Finally got core in, rebuilt it and determined they trashed the rebuild. After 3 weeks, they said they were looking for more core. I found him a transmission that day and had it delivered in 2 days. They still have not... Read more

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got one of there transmissions 9weeks later! wen,t to transmission shop right after my shop installed it .but there was NO way that it was ever tested. friends trans shop laughed and ask how much i paid? To take it back out and pay to ship it back was more money then to fix it are self! they screwed on the shift kit. wrong plate valve body and still has to much PSI no down shift by itself ... Read more

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Hey I'm out of n.c. I just purchased a monster trans for my 94 kblazer its a 4l60e I've put exactly 230 miles on it. I've been super careful with it and Easy. Tonight I get home and I'm hearing a loud clacking noise and it slipped once on me on my way home. I'm kind of upset I've spent 1600 dollars on this trans. I've looked at alot of reviews and experiences....and I believe I would much rather... Read more

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PURCHASED TRANSMISSION ON DEC-9TH. INSTALLED TRANSMISSION AND IT KEPT READING THAT THE TEMP WAS 280 DEGREES. MONSTER SENT OUT A NEW TEM SENSOR SAID THAT THEY WERE SURE THAT WAS THE PROBLEM. THE SHOP INSTALLED NEW TEMP SENSOR AND STILL THE SAME PROBLEM. (THIS TOOK SEVERAL HOURS OF BEIN JACKED AROUND ON THE PHONE) TERRIBLE SERVICE!!! HAD LOCAL SHOP DIAGNOSE THE TRANSMISSION AND THEY NOTICED THAT... Read more

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Recently purchased an alleged rebuilt transmission for my 2000 f150 from Monster transmission.$2000 First attempt was worse than the one i had in it after paying to have installed $600, Then pulled back out because 3rd to overdrive would not engage and when it did it would slip. Sent back to them at my expense $250 plus new fluid $168. Told it was in limp mode, bulls**t no codes for that. 2nd... Read more

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Was seriously thinking of buying one of the monster trans but not after reading all these reviews. I could understand a few unhappy customers out of the many they have built but this amount of negative feedback is a red flag plain and simple. I really hope they can get things turned around in their favor. I have been in the auto repair industry as a shop owner operator for almost 20 years and... Read more

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I was considering buying a monster transmission but with all the bad reviews i think I'll go somewhere else that's a *** ton of money to spend to be f- - - - - off buy a supposedly reputable co. Sorry you all got screwed. Hot rodders need to stick together. Add comment

Bought a 700R4 transmission for my blazer , took 3 months to get. I could have installed my self but paid a certified mechanic to do the install as they requested. After the install and on a test ride my mechanic told me the trans started a vibration and then a noise and 3rd gear went out - less than 3 miles on the tranny!!! Called the warranty dept. at Monster and told them my problem and the... Read more

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I purchased a Monster 700r4 last year. Paid the extra money for the "Mega Monster" to back the 383 in my 70 Monte Carlo. I also paid the extra money for the constant pressure valve body modification to ( in my hope) eliminate any potential issues of transmission malfunction or failure. Transmission arrived, I installed it, adjusted TV cable, tested in garage. Alright, lets go for a test... Read more

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