Check coolant for contamination(look in radiator for foamy white stuff), that's the only other place it could be going if there are no noticeable oil leaks and your not burning it. I hope all turns out well. Let us know what u find!
'04 F250 SD CCLB PSD 4X4 6" Skyjacker 35x12.50x17
'05 Wrangler, 6cyl, manual, 3.5 RE with 33x10.5x16
'98 Cherokee 4.0L I6-Sold, '89 YJ 2.5L I4- Sold
1,10" Sub enclosure(local p.u.)built by Just4effect.com for SALE PM me for details