grease fittings on 2005 Chevrolet Equinox

I have been told my grease fittings are factory sealed and I have a squeaking noise when I go over bumps and make turns, could this be the problem?

2 answers
There is a service Bulletin regarding noises/ squeaking over bumps for your vehicle dated November11, 2005. Reference number 04-03-08-008B. Correction taken to repair noises is to Replace Strut Assembly to affected side and Stabilizer Shaft Link Replacement. Contact your Local Dealer for further Information regarding service Bulletin.
Ito had that problem,it was the sway bar bushing in back of sway bar,but the problem is they replacement one,s are the same,solid steel ,can not be greased.