cc-hays
Member
- Joined
- Dec 27, 2006
- Location
- Baltimore, MD
Can I repair the bolsters on the vertical part of the seat? Or is it a replacement only option? Anyone have a how to?
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In my experience the 86 and newer seat back frames are weaker. I've had to repair split metal on those a couple of times. It was at the very top where they failed. I used an L shaped bracket and drilled bolt holes to bolt it on to reinforce the split upper corner.
See instructions here for disassembly/re-assembly: http://cleanflametrap.com/tony/index.htm
(Note: for Step B of Bottom instructions, you can insert a screwdriver from the back and simply tap it to pop off the seat knob center cover, no prying needed.)
You can repair some splits in the foam, but not major falling-apart damage. The foam from JY passenger seats works fine for either side.
To repair the foam, you'll need some old blue jeans, a can of 3M Super 77 spray adhesive, and a box of nitrile gloves.
1) First spray both sides of any cracks, work the glue into the foam, and somehow squeeze it together gently to dry overnight.
2) Trim the blue jeans to reinforce the back side. When you're happy with the patch shape, trace it in black marker so you can get it back to the same position.
3) Working fast, spray both foam and one side of jeans with glue. Put it in position and quickly smooth it out and shove it into the valley in the foam. Do one side at a time. You'll probably want to try a few dry runs first, and might practice too on a extra piece of foam.
Note: the seat bottom foam is the same but there are short (85-) and tall (86+) seat backs. The early backs have more of an "A" shaped headrest while the later ones are more of an upside-down "U".
'85- seat back (click for bigger size)
'86+ seat back - the valleys are deeper for the 86+ side bolster tubes (you need to work fast to get the jeans all the way to the bottom and smoothed out)