I have a first model year FJC and it's known problems were the brittle factory 8" Ring gears, inner fender bulge/rip from body flex, and with age the "no maintenance" transmission would develop a shudder (fluid swap fixes this). Idler pulleys are known to not last very long if they get dunked in water a lot because the seals are not great. There is a TSB on the tension pulley but the fix was only to add a flat "fender" washer in front of it and a slightly longer bolt.
Never had a driveshaft issue and mine's seen some abuse. I've replaced a number of u-joints on mine under general maintenance.
Toyota never officially issued a TSB on the ring gear, probably because 95% of them never saw offroad and will never experience enough load to break them. They fixed mine for free twice under the 60K warranty, but it took a lot of cajoling.
I never took the fender bulge (mine are now ripped through) to the dealer because I've read enough online testimony to know that battle will never be won. This was an inherent issue with the ancestor of the FJC, the Prado series too. TEQ did nothing officially to fix the Prado's fender rips, but passed that engineering flaw onto the FJC.
I recently swapped the fluid in my transmission and got rid of the torque converter shudder. Just dropped pan, clean the screen and put 5qts back in. There are a few more steps during the refill process, but its a 1 banana (if not messy) job.
Never had a driveshaft issue and mine's seen some abuse. I've replaced a number of u-joints on mine under general maintenance.
Toyota never officially issued a TSB on the ring gear, probably because 95% of them never saw offroad and will never experience enough load to break them. They fixed mine for free twice under the 60K warranty, but it took a lot of cajoling.
I never took the fender bulge (mine are now ripped through) to the dealer because I've read enough online testimony to know that battle will never be won. This was an inherent issue with the ancestor of the FJC, the Prado series too. TEQ did nothing officially to fix the Prado's fender rips, but passed that engineering flaw onto the FJC.
I recently swapped the fluid in my transmission and got rid of the torque converter shudder. Just dropped pan, clean the screen and put 5qts back in. There are a few more steps during the refill process, but its a 1 banana (if not messy) job.