My spare was "ticking" when I hit bumps. I have an '05 and my spare is probably 40 lbs heavier than stock. This weekend it seemed to get considerably worse so I took everything off the tailgate. It closes so much better now and no more ticking.
I plan on having a HD carrier on there in a month or so. /shrug
I know people have historically complained about squeaks there and found tiny tears at the bolts, that eventually grow. I didn't want to tear mine up too bad so I pulled it off knowing it won't be long without a spare.
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2005 KJ Renegade
Fabrications for sale:
Aluminum Roof Rack (See Page 9)Aluminum Gas Tank Skid --
Radiator Skid --
Front Strut ShimsComing Soon: Rear Bumpers with lots of options