1998 Saturn SL1 Q&A
1998 Saturn SL1 Question: How do I stop engine vibration?
1. Check for a 1st or 2nd design motor mount. 2. A updated motor mount is available. Technical Service Bulletin (TSB) #01-T-30A is related and gives mount identification information and mount testing procedures - OneStopautocare
Possible vacuum leak. Check engine light on? - pushrod