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Discussion Starter #1 (Edited)
They've been driving me crazy so have been trying the lubricants I had on hand (silicone, 3-in-1, machine oil, etc). Some helped but all the squeaks never went fully away and all soon came back. Had been contemplating removing the leaf spring mounting bolts, shocks, etc and dropping the rear axle to apply waterproof grease to all bushing surfaces. Although that's not complicated it's still quite a job with a mess of jack stands, jacks, etc. Had also thought about just taking it to the dealer but figured they'd just spray something and send me off.

Asked the 'local experts' at O'Reilly Auto Parts (a couple older guys like me with at least some experience) what might work more than a couple days and they recommended a can of this penetrating lithium grease, saying several customers have come back to give positive reviews so I took the bait.


When I got home I loosened all the spring mount bolts and sprayed the bushings from all sides. Left them loose and got inside the back rear (although not as effectively far back as an EXT would have been) and jumped up and down a dozen times or so until all squeaks went away. Resprayed everything and jumped some more. A lot more - to work it in. No squeaks. Re-tightened everything and jumped some more. No squeaks. I'll let you know how it goes.
 

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Several sources of squeak have been identified in the forum. Bushings are most common, but I've also read of the spare tire and e-brake cables. If you're going through the trouble, check out all possible culprits.
 

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Discussion Starter #3 (Edited)
Yes. Thanks. Have searched/seen those posts and checked. I can get them to squeak while underneath looking at them so there's no doubt it's the bushings. Hoping this solution lasts a few months at least. If needed I can always hit them with another shot.
 

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Discussion Starter #4 (Edited)
It's been almost 3 weeks and the bushings are still quiet, even after driving through several good rainshowers, so +1 for penetrating lithium grease. Went ahead and gave them another shot of it this morning anyway. The parking brake lines did develop a (different) squeak recently but that was easy to reach and solve.

Overall, there are occasional door squeaks, rattles, etc that vary with temperature and road surface. I'm guessing those will be part of a Don Quixote-type quest to chase down and silence for as long as we have these (or any other) vans. Some of my ceiling panels started rattling/squeaking and I've been able to quiet all but one way back in the rear somewhere - hopefully one day.

Just completed two short camping/hiking trips in-state recently and it definitely seems quieter loaded down with gear since it doesn't bounce quite as much. Otherwise, I think I'm getting used to the idea that it's not going to ever be quiet in there and if things get too annoying, turning up the stereo or using earbuds always does the job.
 

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Discussion Starter #7
For whatever reason...on the way to the trail-head this morning the van was quieter inside than I ever remember, not a single squeak, rattle or clink. The only extraneous sound came from the rear door latches a couple times, due to body flexing while hitting a bump in a turn, but not much can be done about that.
 

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Discussion Starter #8
Temperature was about 73F this morning when I went out (in an unbelievably quiet van) and I was just out again for a last minute grocery run with a reading of 96F. The van was still as quiet as ever. Not sure what's changed but I'll take it as long as it lasts.
 
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