If your engine were bolted directly to the frame of your vehicle it would vibrate, buzz, and shake until something major broke. Thankfully your vehicle is equipped with Pontiac Bonneville motor mounts that act as a buffer between the motor and chassis. Over time OEM rubber mounts will stretch and fatigue which can lead to a host of different problems from shifting issues to sticking throttles. In order to remedy this situation you need purchase a new set of Pontiac Bonneville motor mounts. Here at Andy's Auto Sport we carry a broad selection of Pontiac Bonneville motor mounts from all of the leading brand names, so whether you want stock replacement mounts or upgraded performance units, you can find them in our extensive catalog.

Most OEM vehicles come from the factory equipped with rubber motor mounts. While rubber does a good job of absorbing vibration, it leaves a lot to be desired when it comes to durability and rigidity. Polyurethane offers a great alternative to rubber. With aftermarket polyurethane Pontiac Bonneville motor mounts you will have added longevity and strength so you can drive with confidence for years to come. Polyurethane is resistant to heat and chemicals, and also holds its shape better then rubber which can give improved throttle response and shifting. The next time you need to change your motor mounts we recommend stepping up to polyurethane.

Q: How do you install motor mounts?
A: Motor mounts are should be left to the pros as removal of the engine is needed. Mounts are usually reinstalled along with transmission mounts at the same time since they're easily accessible once the engine is pulled.

Q: What are motor mounts? Why buy motor mounts?
A: Motor mounts are what your engine sits on. Usually manufactured using rubber to combat engine vibrations and chatter, rubber begins to deteriorate after continual use. Engines with failed mounts will usually allow the engine to rise during acceleration and slam back down on the front member during braking, creating a loud thud. Replacing these keeps your car in balance.