This tip provides additional information to the Tech Tip “FIXING YOUR C4 SPORT SEAT LUMBAR SUPPORT” authored by Bob Thibodeau on 6/15/2001. 1. An alternative source for material to replace the ruptured diaphragm is a bicycle inner tube. It is much thicker than the original diaphragm, and should provide longer “life”. To prepare the tube, […]

Ok, was tired of the dull/worn appearance of my seats. Tried the conditioners/cleaners but still wasn’t happy. The seats aren’t that bad (you’ll see) but I was tired of sitting on dull rock-hard seats. Time for replacements. I decided to go with the Leather-Like covers from The Last Detail … http://www.tld-corvette.com They were $300 bucks. […]

A very common problem with the C4 sport seat is the failure of the pump that inflates the lumbar bladders internal to the back of the seat. The most prevalent failure is not the pump assembly, but simply the diaphragm within the pump sub-assembly. To gain access to the pump, look under the front of […]

If your Corvette seat shows a gap between the seat leather and the side seat bezel, the bezel might be broken, or start to brake at the front screw, attaching the bezel to the seat. In my case it looked like this: After a while it bothers me, and i ordered a set of new […]