Valve stem seals seem to be our main culprit from what everyone posts, even more so on the 3.0 liter engine. But, owners with the 3.5 report changing their out too from time to time. Maybe a 3.5 owner can add to this. Houston <img src="/forums/images/graemlins/blush.gif" alt="" />

'92 SR Montero, Green, with 31" Yokohama Geolandar A/T Plus Tires, Mitsu factory fog light kit, on-board air compressor,Sony Radio and 10 disc changer. 213K and counting.....
Stock & Happy otherwise