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Discussion Starter · #1 ·
2018 ZR2, 75K miles, all stock pretty much. Brakes are new, rotors are new.

The issue is something going on with the left rear. Taking off you can hear some faint metal and metal, sounds like chirping. Braking, there is some noise. I took it by a dealer buddy and the tech said he sanded some rust of the dust shield and clearanced things a bit. He also adjusted the e brake cable.

I'm gonna talk to my service buddy, they said the caliper was fine.

Thinking out loud something is making some contact, I think the truck has always had this going in the 2 months I've owned it.
 

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Discussion Starter · #20 ·
The noise has mostly self healed itself, which of course I don't like because that means it will come back. I'll tackle this when I get back from an upcoming trip.
 

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Discussion Starter · #24 ·
I been traveling but I booked time at my buddy's brake shop to figure it out, tomorrow at noon. From my description he thinks it's a warped rotor (but it's new) or the backing plate (I can see that). I'll report back. I did buy the rebuild kit that @madcratebuilder linked so I'll have it with me.
 

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Discussion Starter · #25 ·
Update. Not the brakes.

Sound is up front. My brake buddy think it could be axle rubber boot to metal, or wheel bearings or something. I will re-read the previous comments in the thread about lubing stuff up front. We put some axle grease on the boots but I don't think it helped.
 

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Discussion Starter · #26 ·
Check out this video first. If this is what your squeaking sounds like then this can be fixed with a can of silicone lubricant(wd40 silicone lubricant spray). Let us know if this helps.

@Markgibo06 I'm going to try this next, kinda sounds like the noise. Thanks for sharing the video.
 

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Discussion Starter · #27 ·
I sent this vid to my brake shop buddy, he said that's the noise. So I'll grab some WD silicone spray as soon as a I can and give it a try. Anyone know how much it costs to replace that seal?
 

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Discussion Starter · #28 ·
I asked my dealer buddy what they charge to replace the Transfer Case Input Shaft Seal, he said $25 for the seal, and 2.3 hours labor. So figure $350-400 for labor. Just wanted to share.

I have not confirmed yet it's the noise but I am pretty confident it is.
 

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Discussion Starter · #29 ·
I sprayed some WD40 silicone spray in this spot and we think it was the issue. I'll check back if it isn't. I still plan to change the seal at a convenient point if this was the problem.
 
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