I drove my car to Monster Tansmissions, so they could rebuild a weak but functional transmission. Monster transmissions drove my car in their shop every night and out of the shop every morning during normal business hours, with no abnormal engine noise.
On the day of service they drove the car on the lift with once again no abnormal engine noise. They removed the old transmission, placed a new transmission and 30 minutes after they installed the new transmission, they “detected and abnormal engine noise”. When I responded to the shop to pick up my vehicle I heard the noise and identified it as a catastrophic engine noise. When questioned the shop took no responsibility for the noise and refused to properly investigate the cause.
Monster transmission informed me they were not interested in making the situation right. I was unable to drive the vehicle, causing me to trailer the car home. I drove a very mechanically sound 450+ hp car to a shop for a transmission and after them servicing the transmission I was forced to trailer the vehicle home. This sorry excuse for a transmission shop destroyed my $7,000 engine which now needs to be completely rebuilt or replaced.
After relaying the facts to two separate and independent engine builders it been determined the cause of the engine failure was due to the transmission shop improperly installing the transmission.
More specifically crushing the thrust bearing which caused the rotating assembly to misalign and self destruct. STAY AWAY from monster transmission.