Product: General Motors 4l65e Transmission Clear all filters (0 of 3 reviews match)
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Monster Transmission - Terrible experience

I bought a transmission from monster to hold 600hp when my application is only 350. (I wanted room to grow) and the thing was installed by a reputable shop. Trans lasted less than 2 weeks and 200 miles and the pump failed. And monster wants to be rude about it and not take care of anything. It’s like pulling teeth to just get somebody on the phone.
1.2
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General Motors 4l65e Transmission
#1239727
I have a 2002 GMC Sierra short bed, step side truck. I have over 170,000 miles on it and the transmission was starting to slip so I bought a 4l65e transmission for my truck from Monster. The sales guy, Jake, talked me in to the level 2 shift since my truck has approx....
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Anonymous
Anonymous

Ya I just got a transmission from them, in a 04 GMC Sierra. An it shifts super hard, I thought maybe it was just me, glad to see yours shifts hard also. I actually don't mind ...

1.8
Product
General Motors 4l65e Transmission
I didn't like
  • Super hard shifts that make it impossible to drive
#1088564
I have basicly decided to cut my losses and have a company localy rebuild my transmission and get my truck back on the road before I get home. If anyone is looking to them to have a transmission built I highly recommend you go elsewhere. This has been one of the...
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Anonymous
Anonymous

I was going to get the 750 hp 4L80E but after doing some research I will never be a customer of Monster Transmissions!!! You guys have a long way to go

Anonymous
Bill Henderson

Was going to buy from them, but I saw some bad reviews. Then, I started looking at Jegs, and Whitney and TCI and a whole bunch of others, and saw the same types of bad review...

1.5
Product
General Motors 4l65e Transmission
#1018591