Peter,
I've not had good performance from the diaphragms purchased in the last few
years from TRF. A local upholstery shop recommended straps over the diaphragms,
which I'll probably try next, as the replacements are obviously of poor quality
(not that the originals were all that great).
Jim Davis
Fortson, GA
CF38690UO
CF37325U
Peter Zaborski wrote:
> There's been a lot of discussion lately about TR6 seat foams. I thought my
> slightly saggy seat was in need of a rebuild. It turns out a new diaphragm
> is all I need. I installed one on the driver's seat and the seat is back to
> normal. There is a catch however...
>
> First, my car is a late, late TR6. Which means it originally has the webbing
> type of seat support in place of the rubber diaphragms (check the TRF
> catalog for details). A couple of years ago one of the webbing straps on the
> driver's seat broke. I had it replaced at an upholstery shop. I don't think
> they did a very good job as the seat was still somewhat soft. So recently I
> got some new diaphragms from TRF. I began with the driver's side seat but in
> order to install the diaphragm, I needed to drill some new holes in the
> frame -- the original holes from the webbing frame did not match the
> diaphragm holes. No biggie, I drilled the holes and the diaphragm went in
> without a hitch. The seat is way more comfortable now and I am sure this is
> the cure.
>
> However, I just noticed that the diaphragm has already started to split in a
> small section of the middle part (not adjacent to any of the clips). I am
> certainly no heavyweight (175 lbs). Did I get a defective part from TRF or
> are the new diaphragms really that cheap? What is the opinion of the list on
> the replacement diaphragms? Are there better sources than TRF or are all the
> diaphragms the same?
>
> FWIW, I plan to call TRF tomorrow and I'm sure they will rectify the
> situation but what I really want is to make the repair and forget about it
> -- I don't want to install cheap parts which will just fail shortly. I could
> always have the webbing straps rebuilt with heavy duty materials but the
> diaphragm seems like a better solution (if it works properly!).
>
> Any info greatly appreciated.
>
> Peter Zaborski CF58310UO
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