Hi Mustang, I think you have answered your own question....you need to replace the springs; this will force the cover closed and the rattle should decrease. Where to get the springs from, would be the question. Maybe Bruce or one of our members will chime in here and give you some advice.
Please do not PM me asking for support. Please post your questions in the appropriate forums, as the replies it may receive may help all members, not just the individual member. Kindest Regards, Darryl
