Loose transmission mounts can cause vibration in the drivetrain, and cause plenty of other things to vibrate loose. Check your mounts when you get a chance to crawl under the car, and replace them if they are loose. Faulty transmission mounts can also affect your shifting.
928-375-045-13-OEM
Transmission Mount, 928 (1978), Left Brand: Genuine Porsche
$103.75
928-375-046-13-OEM
Transmission Mount, 928 (1978), Right Brand: Genuine Porsche
