Originally Posted by moparguy
I've always sprayed grommets with WD-40 for install and removal. Never tried it but I could see see a heat gun or even hair dryer helping with old crusty grommets.

One last thought, brake fluid. I've had good luck revitalizing old rubber by giving it a long bath in brake fluid.

RonR

Be careful with the brake fluid or as I call it "An Outstanding Paint Removal Fluid".