Home Auto Repair How to Remove a Broken Motor Mount Bolt on a Vehicle

How to Remove a Broken Motor Mount Bolt on a Vehicle

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A motor mount bolt usually consists of a hex head bolt approximately two inches long with a hex nut threaded onto the other end of the bolt. An engine with high horsepower can easily break a motor mount bolt when you step on the gas pedal; the engine will twist sideways and snap the bolt in half. A motor mount bolt can also break if it’s rusted — this is the more common reason for breakage as a vehicle ages.

Tools Used: Tools, Bottle jack, Flathead screwdriver, Hammer, Pliers or vise grips

Remove a Broken Motor Mount Bolt

Place a bottle jack under the corner of the engine with the broken motor mount bolt and jack the corner of the motor up until it levels the engine in the engine bay. This takes stress off the motor mount bolt.