It is no secret that the seats of the C5 & C6 have a reputation for being less than satisfactory in the area comfort and support.
Over the last year or so, I've developed a repair procedure and want to share it with everyone. I wanted to see how it worked out in my car over time and can say the seat feel its 100% better than OEM.
There are two problems this fixes:
1) The side bolsters from the factory do not have any support under them. So as you climb in/out of the seat, the outside bolster foam tears as it sits on the steel seat frame and quickly goes flat.
2) The steel wires in the center area cut into the foam and quickly cause the foam to sag and pinching around the hip area. I found this extremely uncomfortable after only 15 minutes.
Send me an email if you would like more information on where to get the repair kit.
Here are the photos of a recent rebuild on my C6 seat. The C5 and C6 seats are basically the same under the cover. The information below is just the high points.
1. Unbolt seat.
2. Disconnect wires harness.
2. Remove seat belt.
3. Remove side controls, cut numerous hog rings, peal back Velcro, and until string holding bottom seat cover then pull out bottom seat cushion.
4. Using spray upholstery contact cement, attach new fabric to the underside of seat foam. The center support wires cut into the foam quickly causing the bottom seat cushion to sag. This brings the OEM foam back to its original position and stops the wires from cutting into it.
5. Using spray contact cement, attach new high density upholstery grade foam to underside of bolster area. This adds the missing support under the bolsters.
6. Add jute pad on top of center support wires for additional firmness if desired. This is optional and you should try this out before reinstalling the seat to see if you like how it feels.
7. Reassembled and Finished.