An engine mount is need to keep vibration away from the car
How Does it Work?
Engine mounts are designed to isolate the vehicle from vibrations and
harmonics created by the engine. Designed by using two metal plates
vulcanized together with a sizable piece of rubber or a liquid filled bladder
this part is positioned between the frame and the engine. The
lower plate is bolted to the frame whereas the upper metal plate bolts to the engine
allowing a slight amount of movement from the engine. These mounts are also used for the transmission
and perform the same operation.
In a rear wheel drive vehicles there are usually
two mounts one on either side of the engine with one mount used for the transmission.
Front wheel drive applications may incorporate more mounts to help control engine
torque. Front wheel drive vehicles sometimes incorporate a "dog bone” or torque
mount to control the twisting of the engine. When an engine mount goes bad it
will cause excessive movement from the engine in which case the
will need to be replaced
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Article first published 2017-02-23