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    4x4 Maintenance

    I run Amsoil in all my differentials. The squeeze pouches are super easy and when there’s a sale or deal, it’s around the same cost as OEM fluids. Like what was mentioned above, if you have a fluid extractor, you can pump out the rear diff and refill. If the cover has already been removed and...
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    GMParts.com Sale

    GMParts.com has 35% off of suspension parts until 8/31, just FYI.
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    Fluids please. Need to know what to get.

    That sounds great. I did all this plus wires at 100k on my 6.2 10L80. I used Amsoil 75w-90 in both the front and rear diffs. I didn’t do the PCV.
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    GM Limited Lifetime Parts Warranty

    Yep, great point! I actually called GM yesterday and they verified this. They said a licensed private shop can install, but the part(s) would need to be checked at a dealer and I’d need to provide receipts for the part(s) and labor. They didn’t give me a specific mileage or anything, just that a...
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    GM Limited Lifetime Parts Warranty

    For some suspension parts, it’s lifetime. This is for the Magneride strut, which is pretty expensive.
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    GM Limited Lifetime Parts Warranty

    I was wondering if anyone has had to submit a warranty claim for Genuine GM parts purchased for repair or replacement (not a claim for the bumper to bumper, powertrain, or extended warranty for the actual truck). The GM warranty for parts does not cover things like failure due to normal wear...
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    Spark Plugs - 41-168 vs 41-114 - Which is better?

    41-168 supersedes 41-114. I called a few dealers when I did the plugs on my 6.2; one or two dealers listed 41-114, but most had 41-168. I put the 168s in mine.

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