Hillsboro Auto Repair

A smooth idle and a quiet cabin make a car feel solid. When mounts begin to fail, that calm gives way to shakes at stoplights, thumps during shifts, and a harsh buzz when you start the engine. Those symptoms are not only annoying but can also lead to damage to exhaust joints, axles, and wiring if ignored. The fix starts with a proper diagnosis, so the right mount is replaced and the shake is gone for good. What Motor Mounts Actually Do Motor mounts hold the engine and transmission in place while isolating vibration from the body. Most use rubber to absorb movement, some use liquid-filled chambers to cancel specific frequencies, and modern cars may add an active mount that changes stiffness under computer control. Mounts allow just enough motion for comfort without letting the powertrain slam against its stops. When the rubber cracks or the fluid leaks out, the engine moves too far, and you feel that motion through the steering wheel and seats. Early Signs Yo ... read more