how does one lubricate their chassis?

[iboughtatahoe23]

my service tracker app says i should lube the chassis at 175k... is their even grease fittings? and what grese u use?

 

[Joseph Garcia]

Good question. Never heard of it. I haven't seen and grease fittings on the chassis. I did recently replace my body mounts, as they were exposed and in poor condition, during another recent project on the truck.