jdvaughn

That is exactly the issue! I have clamped my two from white clips or sides in pace so they cannot shift laterally. This has eliminated al of the movement issue for 2 months now. I also added washers where they added their "shim" due to finding too much slack there. I guess you could simply lube the seat up so this would slide more than clunk instead of trying to fix it in place.

Just checking back in, but I haven't had any more seat movement issues after applying my fix previously described. Anyone else try it with the same success? May need to show the dealer and look for a more permanent solution.

So a quick report back and it seems better after a couple of days of driving over every bump and pot hole I could find. Might try and come up with a little more per meant fix. If I could get the bottom seat cushion off I could loosen the clamp and put some electrical tape around the bar where the clamp mounts to to give it something to bite in to. Anyone know how to get the seat bottom off?

Let's just hope it works.

So...I had some free time this afternoon and dove a little deeper into the white clamps that hold the seat bottom to the seat frame as depicted in Clarks images a few posts ago. I was wrenching around on the bottom of the seat to try and make it replicate the noise/thunk and I was able to get pretty close to the actual experience. Low and behold, if I kept one hand on that white clamp at the front of the seat just on the underside I felt it move/vibrate in unison with the noise. I am still a little weary because for me it always sounded like the noise/movement was coming from the back of the bottom seat cushion. However, I have a temporary fix to try and isolate this movement to see if that stands the test of time. I put hose clamps with rubber on the inside diameter of them on either side of the white seat clamps on the same tube the clamps wrap around (a total of 4 clamps with one on either side of each white seat mount). My purpose is to hold the white camp stationary and it seems to be working well so far. I took it for a good run around some of the roads that always cause the seat to move and nothing happened! However...time will tell as I have thought I nixed this one before.. It is kind of weird because it looks as if there is grease between the white seat mounts and the bar they are mounting/clamping to. Why would you want to grease something you are trying to keep stationary? I had my seat frame replaced once and it worked for a week or two...but came back so it seems these camps wear out after a little use and getting in and out of the truck. I have to say that replacing these white clamps that mount the seat bottom to the frame would be pretty easy for GM to do and cheap to assuming they can find something with a little more clamping force to stop the seat from moving. I will report back if it comes back any time soon

Looking at those pictures one more time, it appears those bushings are on the bottom of the seat bracket and not the sides, which was my original thought. you can see the yellow seat foam and the from adjust/lifter motor in the picture I believe. I will be taking a look at some point (maybe tonight if I get a chance).

Any more info on how the seat replacement helped? I am guessing it made a difference as it did for me when my seat was replaced the first time. it lasted for about a week or two and then the click noise came back first when getting in and then the seat moved. I have isolated the clicking/clunking noise when getting in, but need to figure out this seat movement issue. I guess I will take a look over the weekend and see if I can get the side seat covers off to expose this bushing/bracket you found. I would like to try and shim it just to see if this is definetly the culprit and then I can work on a soltuion from there. The reason I asked this poster where the bushing was located because my movement all seems to be in the back of the bottom part of the seat. If these bushings are at the back then I would tend to believe the theory a little more. Hoping to get some info from the poster of these pics....

As for #7, I had a rear window noise that turned out to be the rear window moving with relation to the rubber window seal/gasket that seals air/water out. If I held the window with my hand it would stop. I went ahead and got some silicone grease and put a VERY light layer on the rubber gasketing that is against the window all the way around, You need to open the window to reach most of it. A very very light layer should do the trick and should prevent the noise I was getting, which sounded surprisingly like a rattle.

Was looking for more detail about where along the side. I have been digging into the underside of these seats looking for the issue and just wanted a little more detail if possible....but thanks for the useful comment

Where are these bushing at? Side of the seat? Front or back? Can you notice the slop visibly in the bushing? I had my seat frame replaced and it helped for a week or so and then it came back. Something is either not tightened or wears out very quickly. Let me know what you find.

I know...that's why I was giving it back! I will send you a nice pretty picture when they are all installed!

I paid full price ($60) because that is a steal!!!! Trying to low ball to $50 was too much of a risk since the next best price I have found was over $100 and the option with the truck originally only cost $60. Win Win.

What is the sellers name? I would pay 60 for a set!

You got the gm kit for $36?! Really?

I was one of the guys to fix it with washers and it is definitely "better" but not perfect. I may machine a custom bushing that will take place of the washers and serve as a radial bushing to take out all the slack. Just haven't had time to draw one up and get dimensions yo make it up.