Friday, December 6, 2013
The Purpose of a Transmission Mount
A transmission mount provides support for the transmission. A transmission mount and a motor mount are essentially identical, but one supports the transmission and the other the engine. Both are often referred to as a motor mount.
Protecting Transmission
The primary purpose of a transmission mount is to hold the transmission in place and reduce its movements. A transmission that moves too much can cause damage, especially in the linkages between the transmission and the engine and drive shaft. Transmission movements can also damage lines and hoses running from or near the transmission.
Noise and Vibration
Another purpose of the transmission mount is to reduce the amount of noise and vibration in the vehicle. This is done to make the vehicle drive as smoothly and quietly as possible both for the comfort of the driver and passengers as well as to reduce wear on the vehicle body and suspension.
Design
Most transmission mounts are simple devices made of two metal plates and a block of rubber. One plate attaches to the transmission and the other to the vehicles body. The rubber block is held between the plates and dampens the transmissions movements. Some transmission mounts are hydraulic, using a hydraulic fluid in place of the rubber.
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