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1.9 Based on 40 reviews Compare to others
  • Customers like
    • Resolution of complaint 1
    • Response time 1
    • Shipping and quality at first 1
  • Customers don't like
    • Quality of work 7
    • Customer service 5
    • Warranty 4

Ordered a transmission from Monster transmission. Installed, and ins less than 2,000 miles trans failed, no forward gears. Took to local transmission shop and they found all forward clutch packs burned due to a torque converter failure. Torque converter was also supplied by Monster Transmission. I would have to remove the current transmission and ship to Florida for repair. No labor costs are covered by Monster transmission. I would have been... Read more

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Ordered turbo 400 from this company for over $4500. Company sold additional parts that were not compatible. Scatter shield would not fit on the more expensive pan, bolt holes to close to pan sides (indented). The kickdown connector also had to be bent to get scatter shield on and transmission would not go up in the bellhousing far enough with scatter shield on. An expert company should know these details. The transmission also cam with a... Read more

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My experience with Monster Transmissions has been a frustrating path. I was pretty excited to deal with them at first but now I will just stick to reputable local builders or TCI if I do mail order again. When I first spoke to Beau and ordered my 700r4 I told him I was running an Edelbrock Proflo XT fuel injection and needed all parts to hook up the TV cable. I was sold a $39.95 bracket which when arrived fits a carburetor and even when I called... Read more

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Absolutely horrible. False advertisement. Had the transmission installed by Piedmont customs and when I first drove it, I immediately noticed a lot of slippage. The Reverse gear wouldn't engage until after 5 seconds, and that slipped too. Called the customer service line about my warranty, gave me the run around. Basically out of $1,500. Currently paying my mechanic to disassemble and reassemble my transmission. He found used bands and worn... Read more

Was this review helpful? 3 0

Transmissions are unsafe and their customer service is like dealing with scripted drones. They have canned answers for everything. My transmission literally went from the crate to my out of state transmission builder. I never installed it. Lost 2k. Basically, I read about the bad reviews and decided to have my transmission builder look at the internals, just to be safe. The findings were used fasteners, improperly assembled parts, and sure to... Read more

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Resolved

First, let me say I love the way this unit shifts, or used to. I am a certified technician, my install was clean and meticulous. Upon startup truck almost drove off the lift even though it was in the park position. I checked both the lever and the shifter. After playing with the cable (monsters recommendation) It seemed to grab all the gears but didn't feel right. The next morning my automatic start sent the truck into the back yard. Thank the... Read more

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Resolved

I was excited for this transmission. I have an 03 Avalanche that I baby. I don't hammer it. I don't even tow really (if I do its a dirtbike). I wanted a transmission that I could cruise with worry free. I am a certified mechanic and my install was meticulous and clean. Upon initial startup the truck almost drove off the lift. I couldn't figure out what was going on and initially thought it to be the automatic adjusting cable. I reset the cable a... Read more

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When they built my 4l60e transmission they never put in the gear on the tail shaft for the speed sensor which resulted in the vehicle not being able to shift and my ABS light came on and no speedo. They say they test these transmissions in a test vehicle, but in this case they obviously didn't, they bench test them if anything. So don't think they are any better than anyone else, I bought one from them and had to go through a lot to fix this.... Read more

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Monster Transmission - Review about Monster Th350 Transmission
1 of 3

I ordered and paid for a transmission from monster on 2/10, was told that they would keep me updated thru the build. Never heard from them until i asked for my invoice nearly two weeks later. I recieved an email saying it had shipped almost a month later, but i couldn't get the tracking to work. Contacted monster and come to find out after waiting for a month that they had totally forgot to build my transmission. They offered a chrome pan for my... Read more

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Monster wanted me to pay shipping to send my th 350 back or pay 250 toward the rebuild it was all stock parts with a hd 1750 stall converter and street strip shift kit so it would bang gears! Lasted 6 months behind my 355. Then exploded the sprag ! I ran a th350 i bought for 40 bucks off cl for 6 months and blew up the torque converter ! Sold the th 350 to my buddy its still going strong Sent my truck to my local builder and he rebuilt the... Read more

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