Prior to the 1980’s, most vehicles were rear wheel drive platforms that required only a simple rubber to metal bonded mount design to help dampen driveline torque. When transverse mounted engines first came to the market in the early 1980’s, technological advancements were made in the mount design to handle increased engine vibration from the change in engine positioning.
To address the vibration issues, GM was the first to create a mount with an internal chamber filled with hydraulic fluid to help dampen the increased engine vibration.
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