What up guys i got a 06 screw fx4 it has 45000 miles on it so is time for maintenance. On the manual it says lubricate ball joints and Steering linkage if equipped with ZERK FITTINGS Questions What is this? Does my truck have it? thanks guys

 

Zerk fittings are those grease nipples that you see on older vehicles unfortunately ours don't have have them. When they fail its time to replace.

 

Thanks apreciated the reply