Clattery when cold
Join Date: Feb 2012
Location: United Kingdom
County: Greater London
On rubber bushes you should only use red rubber grease, or silicone grease. Unless you dismantle the joints to re-grease I don't think any tool is capable of helping much. Best option is to use an aerosol of silicone grease and hope capillary action will allow the solvent-thinned grease to penetrate sufficiently. WD40 now sell a silicone grease aerosol with a wand.
You mustn't use petroleum based greases on rubber, it rots them. It's fine on polyurethane though.