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Corvette
C5 Forum
Side bolster air bladder repair.
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<blockquote data-quote="digi2t" data-source="post: 207266" data-attributes="member: 3986"><p>Reskined my seats over the winter, but this week I found that the driver side kidney bolsters would no longer inflate. My initial investigation revealed a hissing sound coming from one side when I would try to inflate them. I decided to open up the seat to see what was leaking. I pulled the center cushion down, and then removed the pin clips on one side.</p><p></p><p> [ATTACH=full]40158[/ATTACH]</p><p></p><p>Pulled back the side skin, then the foam, and pulled the wing holding the bladder out.</p><p></p><p>[ATTACH=full]40159[/ATTACH]</p><p></p><p>The bladder had a hole in it, right where the strap that secures it to the wing is thermo welded. There's no repairing this.</p><p></p><p>[ATTACH=full]40160[/ATTACH]</p><p></p><p>I had read around the internet that some folks had replaced these with bladders from blood pressure cuff bladders, so I set out to my local pharmacy to find one. They had two mediums in stock, so I decided to buy both. I figured I would just change both, since I don't know how long the other bladder would last. Also, I wasn't sure if it would feel the same having to different bladders, so I figured this would even things out. Here's the model I found.</p><p></p><p>[ATTACH=full]40161[/ATTACH]</p><p></p><p>Medium turns out to be plenty big enough. I started by cutting along the stitch line at one end of the nylon casing. There's not much room between the edge of the bladder and the stitching, so stay on the stitching, or else you'll nip the bladder and it be useless. I then cut down the length of the backside to expose the bladder. The hose is plenty long enough, so you can just nip off the plastic fitting at the end, and pull it through the hole in the casing. </p><p></p><p><strong><em>When removing the old bladders, pay special attention not to damage the T nipple where the main air supply splits to the two bladders. I used a pair of side small cutters to nip the side of the hose thinner, and then managed to slip it off. The hoses on these cuff bladders fit perfectly onto those nipples. Do not try to slice the old hoses off either, since that will score the plastic, and then you'll just get a slow leak past the barbs. It's a PITA job, but take your time, otherwise, you'll be out looking for a new T nipple.</em></strong></p><p></p><p>[ATTACH=full]40162[/ATTACH]</p><p></p><p>[ATTACH=full]40163[/ATTACH]</p><p></p><p>[ATTACH=full]40164[/ATTACH]</p><p></p><p>[ATTACH=full]40165[/ATTACH]</p><p></p><p>Obviously, the length of the bladder is way more than the original bladder is wide. The width of the new bladder is about the same as the height of the original. The other thing is that the new bladder isn't equipped with a strap to secure it in place on the wing, so.... we need to get creative. Our handy friend Mr. Duct Tape to the rescue. First of all, we will be folding the new bladder over the wing, the hose will be positioned on the outer side of the wing (facing you).</p><p></p><p>[ATTACH=full]40166[/ATTACH]</p><p></p><p>I then cut a piece of tape about a foot long, and laid the bladder, centered on the tape on top of it. Note the position of the tape in relation to the length of the bladder.</p><p></p><p>[ATTACH=full]40167[/ATTACH]</p><p></p><p>This side of the bladder will be positioned behind the wing. Then the duct tape will fold over the top and bottom of the wing. DO NOT TAPE OVER THE OTHER HALF OF THE BLADDER! This is plenty to hold the bladder in place, and will not restrict the rest of the bladder from fully inflating. Once the bladder is positioned, fold the tape over the wing. Then, fold the other half of the bladder over the wing.</p><p></p><p>[ATTACH=full]40168[/ATTACH]</p><p></p><p>[ATTACH=full]40169[/ATTACH]</p><p></p><p>Now slip the wing and bladder back under the foam. </p><p></p><p>[ATTACH=full]40170[/ATTACH]</p><p></p><p>Make sure that the foam is well positioned, and pull the skin back over the foam. Reinsert the clips that secure the skin.</p><p></p><p>[ATTACH=full]40171[/ATTACH]</p><p></p><p>Do a final inspection of the bladder hoses, just to be sure that nothing is pinched, and put the center section of the seat back into place. That's it, you're done.</p><p></p><p>[ATTACH=full]40172[/ATTACH]</p><p></p><p>I have to admit... the new bladders are FREAKIN' AMAZING!!! The added surface area makes the bolster inflate much more, and there is literally no lateral wiggle room now. Even when the old bladders were fully inflated, I never got the support I have now.</p><p></p><p>Total cost for the two bladders - $57.</p><p>Total time for both sides - About 3 hours (I took my sweet ass time, but most of it was spent plodding through doing the first one, and some to snap the pictures).</p></blockquote><p></p>
[QUOTE="digi2t, post: 207266, member: 3986"] Reskined my seats over the winter, but this week I found that the driver side kidney bolsters would no longer inflate. My initial investigation revealed a hissing sound coming from one side when I would try to inflate them. I decided to open up the seat to see what was leaking. I pulled the center cushion down, and then removed the pin clips on one side. [ATTACH type="full"]40158[/ATTACH] Pulled back the side skin, then the foam, and pulled the wing holding the bladder out. [ATTACH type="full"]40159[/ATTACH] The bladder had a hole in it, right where the strap that secures it to the wing is thermo welded. There's no repairing this. [ATTACH type="full"]40160[/ATTACH] I had read around the internet that some folks had replaced these with bladders from blood pressure cuff bladders, so I set out to my local pharmacy to find one. They had two mediums in stock, so I decided to buy both. I figured I would just change both, since I don't know how long the other bladder would last. Also, I wasn't sure if it would feel the same having to different bladders, so I figured this would even things out. Here's the model I found. [ATTACH type="full"]40161[/ATTACH] Medium turns out to be plenty big enough. I started by cutting along the stitch line at one end of the nylon casing. There's not much room between the edge of the bladder and the stitching, so stay on the stitching, or else you'll nip the bladder and it be useless. I then cut down the length of the backside to expose the bladder. The hose is plenty long enough, so you can just nip off the plastic fitting at the end, and pull it through the hole in the casing. [B][I]When removing the old bladders, pay special attention not to damage the T nipple where the main air supply splits to the two bladders. I used a pair of side small cutters to nip the side of the hose thinner, and then managed to slip it off. The hoses on these cuff bladders fit perfectly onto those nipples. Do not try to slice the old hoses off either, since that will score the plastic, and then you'll just get a slow leak past the barbs. It's a PITA job, but take your time, otherwise, you'll be out looking for a new T nipple.[/I][/B] [ATTACH type="full"]40162[/ATTACH] [ATTACH type="full"]40163[/ATTACH] [ATTACH type="full"]40164[/ATTACH] [ATTACH type="full"]40165[/ATTACH] Obviously, the length of the bladder is way more than the original bladder is wide. The width of the new bladder is about the same as the height of the original. The other thing is that the new bladder isn't equipped with a strap to secure it in place on the wing, so.... we need to get creative. Our handy friend Mr. Duct Tape to the rescue. First of all, we will be folding the new bladder over the wing, the hose will be positioned on the outer side of the wing (facing you). [ATTACH type="full"]40166[/ATTACH] I then cut a piece of tape about a foot long, and laid the bladder, centered on the tape on top of it. Note the position of the tape in relation to the length of the bladder. [ATTACH type="full"]40167[/ATTACH] This side of the bladder will be positioned behind the wing. Then the duct tape will fold over the top and bottom of the wing. DO NOT TAPE OVER THE OTHER HALF OF THE BLADDER! This is plenty to hold the bladder in place, and will not restrict the rest of the bladder from fully inflating. Once the bladder is positioned, fold the tape over the wing. Then, fold the other half of the bladder over the wing. [ATTACH type="full"]40168[/ATTACH] [ATTACH type="full"]40169[/ATTACH] Now slip the wing and bladder back under the foam. [ATTACH type="full"]40170[/ATTACH] Make sure that the foam is well positioned, and pull the skin back over the foam. Reinsert the clips that secure the skin. [ATTACH type="full"]40171[/ATTACH] Do a final inspection of the bladder hoses, just to be sure that nothing is pinched, and put the center section of the seat back into place. That's it, you're done. [ATTACH type="full"]40172[/ATTACH] I have to admit... the new bladders are FREAKIN' AMAZING!!! The added surface area makes the bolster inflate much more, and there is literally no lateral wiggle room now. Even when the old bladders were fully inflated, I never got the support I have now. Total cost for the two bladders - $57. Total time for both sides - About 3 hours (I took my sweet ass time, but most of it was spent plodding through doing the first one, and some to snap the pictures). [/QUOTE]
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Corvette
C5 Forum
Side bolster air bladder repair.
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