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Old 07-29-2018, 03:47 PM   #1
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986 seat bottom repair “band”

So today i went out in the 04 Boxster and heard (and felt) a pop under the seat. I then felt and heard a second pop. I noticed when I got ihad t to f the car that the seat bottom cushion did not return to text normal position. It was sagging.
I took the seat out and it doesn’t look like the diagrams I have seen online. It has a kind of “band” from front to back with a rubber piece that I assume carries the weight of the cushion. That has snapped. Has anyone wv r had to repair this?
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Old 07-29-2018, 04:09 PM   #2
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https://flic.kr/p/28eR7ht
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Old 07-30-2018, 12:50 AM   #3
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1997-2000 have a much more durable metal spring setup. 2001-04 have a plastic mesh spring. The 01-04 mesh or the plastic frame will eventually break. It's easy to retrofit the earlier frame and springs into your 04 seat cushion
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Old 07-30-2018, 12:52 AM   #4
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Old 07-30-2018, 05:46 AM   #5
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THanks Woody. I actually found a write up on another site with the part number from the band ( it is 99652150702, btw) which is called an "Absorber Mat". I already ordered one on ebay so I will try the swap out and, if that doesn't work, my fallback will be to replace the bottom completely.
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Old 07-30-2018, 08:13 PM   #6
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A couple years ago I repaired one and started making a DIY ...and never posted. Here's the pics I still have:








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Old 08-02-2018, 08:44 AM   #7
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A couple years ago I repaired one and started making a DIY ...and never posted. Here's the pics I still have:








I actually tried that...it lasted about 10 minutes. The rubber part of thof band as just too dried out.
The good news is I found a replacement band on eBay for about $45. The bad news is when I got it I realize the ends of it or frayed even more than my original band from 2004. I then found out you have to pretty much disassemble the entire bottom of the seat to get the band swapped out. I did eventually get it swapped out but after sitting in it the first time as a test and looking under again I see that the foam is still pushing out of the plastic frame. The band is in place but whatever kept the foam inside the frame has weakened to the point where all of my weight is riding on that band.

It looks like I might have to find an older frame.
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Old 08-02-2018, 11:52 AM   #8
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My pictures may be hard to completely follow along without a description. I did not attempt to repair the band; I completely replaced it.

1. remove the old band completely.
2. Cut a heavy material to replace the band. I used a scrap of trunk liner (grab one for a couple $ at a junk yard if you don't have a suitable material) cut to about 11 x 13 inches.
3. Insert heavy duty zip-ties in all of the attachment points (around the metal rod).
4. Line up the material with the seat frame, mark then drill holes for the zip ties to secure it.
5. Put the material in place, insert zip-ties and tighten.

***note: I did add two additional holes for zip ties on the left and right side of the plastic frame.


Mine has held up well for 2 years and is a little more firm than the original.

I could send you a seat base from a '99 if Woody doesn't have one available. Good, but looks like partial cracking in the leather along the stitching in one part.

Here's pics of the one I will sell: https://www.flickr.com/photos/126478035@N08/shares/768jf7
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Last edited by 78F350; 08-02-2018 at 12:09 PM.
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Old 11-12-2018, 05:18 PM   #9
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Thanks for the great tips. The driver seat in my 2003 boxster has the same issue. Where did you source the heavy material? Any hints would be helpful.

Quote:
Originally Posted by 78F350 View Post
My pictures may be hard to completely follow along without a description. I did not attempt to repair the band; I completely replaced it.

1. remove the old band completely.
2. Cut a heavy material to replace the band. I used a scrap of trunk liner (grab one for a couple $ at a junk yard if you don't have a suitable material) cut to about 11 x 13 inches.
3. Insert heavy duty zip-ties in all of the attachment points (around the metal rod).
4. Line up the material with the seat frame, mark then drill holes for the zip ties to secure it.
5. Put the material in place, insert zip-ties and tighten.

***note: I did add two additional holes for zip ties on the left and right side of the plastic frame.


Mine has held up well for 2 years and is a little more firm than the original.

I could send you a seat base from a '99 if Woody doesn't have one available. Good, but looks like partial cracking in the leather along the stitching in one part.

Here's pics of the one I will sell: https://www.flickr.com/photos/126478035@N08/shares/768jf7
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Old 11-12-2018, 05:29 PM   #10
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Thanks for the great tips. The driver seat in my 2003 boxster has the same issue. Where did you source the heavy material? Any hints would be helpful.

Quote:
Originally Posted by 78F350 View Post
My pictures may be hard to completely follow along without a description. I did not attempt to repair the band; I completely replaced it.

1. remove the old band completely.
2. Cut a heavy material to replace the band. I used a scrap of trunk liner (grab one for a couple $ at a junk yard if you don't have a suitable material) cut to about 11 x 13 inches.
3. Insert heavy duty zip-ties in all of the attachment points (around the metal rod).
4. Line up the material with the seat frame, mark then drill holes for the zip ties to secure it.
5. Put the material in place, insert zip-ties and tighten.

***note: I did add two additional holes for zip ties on the left and right side of the plastic frame.


Mine has held up well for 2 years and is a little more firm than the original.

I could send you a seat base from a '99 if Woody doesn't have one available. Good, but looks like partial cracking in the leather along the stitching in one part.

Here's pics of the one I will sell: https://www.flickr.com/photos/126478035@N08/shares/768jf7
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Old 11-12-2018, 05:35 PM   #11
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Quote:
Originally Posted by 78F350 View Post
My pictures may be hard to completely follow along without a description. I did not attempt to repair the band; I completely replaced it.

1. remove the old band completely.
2. Cut a heavy material to replace the band. I used a scrap of trunk liner (grab one for a couple $ at a junk yard if you don't have a suitable material) cut to about 11 x 13 inches.
3. Insert heavy duty zip-ties in all of the attachment points (around the metal rod).
4. Line up the material with the seat frame, mark then drill holes for the zip ties to secure it.
5. Put the material in place, insert zip-ties and tighten.

***note: I did add two additional holes for zip ties on the left and right side of the plastic frame.


Mine has held up well for 2 years and is a little more firm than the original.

I could send you a seat base from a '99 if Woody doesn't have one available. Good, but looks like partial cracking in the leather along the stitching in one part.

Here's pics of the one I will sell: https://www.flickr.com/photos/126478035@N08/shares/768jf7
Do you still have it for sale?
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