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Old 06-12-2011, 07:04 PM   #1
Shane
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"squeaky" leaf springs

Got an issue that I've not run across before, the leaf springs on my '05 GMC have started "squeaking" as of late. Tried experimenting with a bit of white lithium grease on the spring mounts/shackles with very little luck. I've owned at least 5 trucks with leafs in the rear and this is the first time I've had this issue. I'm scratching my head.

advice? thoughts? suggestions?
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Old 06-12-2011, 08:35 PM   #2
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Re: "squeaky" leaf springs

My 98 used to do that on the front and rear suspension components. I used a liberal amount of white lithium on all of the rubber stuff and it would take a few days to work into the parts, then it would last a month or so. I drive down a lot of white rock roads though, so it kinda comes with the territory.
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Old 06-12-2011, 10:05 PM   #3
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Re: "squeaky" leaf springs

Are they stock bushing? You know the problems associated with urethane bushings, but I have not heard of this with stockers.
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Old 06-12-2011, 11:12 PM   #4
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Re: "squeaky" leaf springs

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Originally Posted by N2TRUX View Post
Are they stock bushing? You know the problems associated with urethane bushings, but I have not heard of this with stockers.
they are stock on the front hanger and McGaughey's shackles in the rear - unsure what they put in their shackles ... but the weird part is the squeaking seems to be coming from BOTH ends.
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Old 06-13-2011, 11:25 AM   #5
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Re: "squeaky" leaf springs

I'll bet the McGaughys are urethane. Sounds like your going to need some Polyurethane lube
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