Hoefler said:4 wd have 2, on the outer tie rod ends. 2 wd have none. You can not grease the drive shaft, unless you remove the plug and install a drive in zerk.
CIverson said:It's not a plug in the driveshaft, it's a "fisheye" fitting. Get a needle fitting for your greasegun and stick it in there and grease away.
Do a search with my username and I have a post with pictures of the fitting on the shaft.
CIverson said:https://www.turbodieselregister.com/forums/showthread.php?t=128317
Tag for driveshaft grease started in '05