There is a special needle used for this. It can be bought at a autopart store.
If you do not see a Zert grease fitting then you do not grease it, as it is sealed for life, which is probably the case.
The proper way to grease a slip yoke is to unbolt one end of the driveshaft. Drop it an puii the yoke apart. Coat the splines with grease and reinstall.
there should be around 6 grease zerks located on the driveshaft. at each U-joint and one all the way towards the back near the rear axle. You may have to lift the truck and turn the driveshaft by hand to get to them. (make sure to be on level ground and use all safety precautions). apply the grease specified liberally on the joints as it willl push out the old grease and in with the new. The one towards the back make sure not to over do it.
Remove driveshaft nut,remove kingpin grease cap and remove 17mm nut.Lever down kingpin from upper arm and remove driveshaft from hub.Hammer c.v. joint off shaft( inner circlip).
The grease
There is a difference in the two. Suspension grease will be thinner and the bearing grease would be much thicker in density .
there are grease fittings on the driveshafts only. there are 3 on the front and 6 on the rear driveshaft. raise the vehicle up and put the transmission in neutral. the driveshafts can then be rotated to expose the fittings at the u-joints and the sliding joints.
There is 11 grease fittings in the front end parts. You have 1 fitting in the front driveshaft, could have 1 in each u-joint. There may be fittings in the rear drive shaft too. There is 11 in the front Suspension for sure, and that is not counting the driveshafts.
Lithium is a metal, lithium grease is a a grease having lithium compounds (derivatives af fatty acids).
Because grease is slippery, it reduces friction between solid moving objects. Machinery would not be practical without grease and other lubricants.
it allows your driveshaft to move freely it looks like a plus sign and usually has a grease fitting if you lose your u-joint your rack and pinion or drive shaft has most likely fallen out by now.
A grease chamber is a "drawer" or "bucket" beneath a broiler or grill. It catches natural grease runoff, which can be scraped out and disposed of after the grill or broiler has cooled. A grease trap is a specially designed plumbing fixture that keeps grease from going into the sewer or septic system.