Common reason for idle vibration on that platform is a bad right side (passenger side) motor mount. Next most common is the transmission mount.
Both are oil filled and the oil leaks out and the mounts drops a bit and the internal parts make contact and you hear all the engine noise inside the car.
It's not a hard job to replace the motor mount.
Remove the coolant overflow tank ( 1 - 10mm bolt and a tab in the back). Set it aside.
Put a jack under the engine toward the passengers side. Use some wood to spread the load or a chunk on edge to catch the front oil pan ledge.
Jack the engine up gently until you see the mount move a bit. Remove the two bolts (15mm) that hold the mounting bracket to the body, and the two nuts (19mm) that hold the mount to the engine. (You can remove those studs to get more room, they screw into the block). Thread the mount out by turning it 90 degrees and pulling it out (you may need to jack the engine up a bit more to create a bit more room).
Install the new mount in reverse order.
Torque the 19mm nuts to 60 ft. lbs. and the 15mm bolts to 35 ft. lbs.
Jan 23, 2017 at 3:26 PM
