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Driver and passenger seat not adjusting up or down. Replaced Clevis’ on both, still no adjustment. Can hear the motor running on passenger seat, but no movement. Driver’s seat motor doesn’t make any noise now. Advice welcome for sure.
Someone should be able to chime in on your repair question but in the event you were not aware... C7 seats bolt into the C5! You can find them for sale on the famous auction site and granted, they are not inexpensive, but speaking from experience, I can tell you that by upgrading to these seats, the car will feel entirely better and in a good way!
Might jiggle the control not sitting in the seat while not sitting in the seat. They can bind up. Might also review the Clevis install to make sure you got the right one on the right side. I think the thread is directional.
Could contact Lyle at G&S corvette for help. Due to. The storm it may be a delayed response.
Driver and passenger seat not adjusting up or down. Replaced Clevis’ on both, still no adjustment. Can hear the motor running on passenger seat, but no movement. Driver’s seat motor doesn’t make any noise now. Advice welcome for sure.
two best options here -
1) c5 seats are cheap. I upgraded mine to c7 seats, and literally gave my c5 seats (in near perfect condition and working mechanisms) away, I think the guy was going to make bar stools out of them. Point is, check local listings. The c5 seats are such **** people usually don't want more than a few hundred, and some are willing to give them away just to get rid of them.
2) as others have said, if you have the funds, get seats that don't suck -- like c7. You won't regret it.
Pull the motors off their mounts and remove the flexible shafts that run the seat transmission. Unplug the motors from the seat harness.
Apply 12 VDC to the motors. If the motors spin, they're good. If they don't spin, they're dead.
If your motors are spinning, check the flexible shafts to make sure the ends aren't rounded. If they're rounded, you need new shafts, if not, you're good.
Connect the flexible shaft to the seat transmissions and stick the other end into a drill. Lightly run the drill and see if the height adjustment moves. If it does, the seat transmission are good. If not, they're either bound up, or they rounded inside.
If your seat transmissions are good and your driver seat is a non-memory seat, you can swap seat harnesses and modules side to side. Start with the module. If the module fixes your operation, you've got a bad module, if not the module is likely good.
Swap the harnesses and come to the same conclusions.
Lastly you can check the switch itself. The switch itself is universal for seat movement between all models.
If any part is bad then you need to source replacement parts. All non-memory seat motors are the same, all memory seat motors are the same, the same with the seat modules. The seat harness differ between years, memory and lumbar. The cutoff is mid-1999 for the years, then memory / non-memory and lumbar / non-lumbar (a Z06 is a memory car without lumbar, for example). The seat switches are universal aside from lumbar.
WIth the righ motors and harnesses you can convert to any seat configuration if you have the right parts. If you have a Z06 and you want to add OEM lumbar all you need is the lumbar system from a 99-up car, the associated seat harness and switch and it just bolts together.
Just a heads up the cost on the seats in good condition + shipping is not always inexpensive. Also the memory feature is lost. Also the 7 seats are higher in the back so they will stick up more. The C6 seats look more stock. Just full disclosure.
You also will have added cost for the adaptor harness if you do not want to rewire things yourself. But the seats do bolt in.
Just a heads up the cost on the seats in good condition + shipping is not always inexpensive. Also the memory feature is lost. Also the 7 seats are higher in the back so they will stick up more. The C6 seats look more stock. Just full disclosure.
You also will have added cost for the adaptor harness if you do not want to rewire things yourself. But the seats do bolt in.
C5 seats are cheap and easy to fix.
Agree that c5 seats are cheap and easy to fix, and if op wants to keep them that's the cheapest and likely easiest.
c7 seats stick up marginally, but your *** is still in the same position.
And yes, c6 seats look stock, but if c5 seats are ****, c6 seats are just warmed over **** that are lighter. Not worth it unless you're going to replace the seats and can get them for the same price as a c5 seat. you're better off just fixing the c5 seats. And -- in full disclosure -- putting in c6 seats will also cause seat memory not to work, AND you still have to either fabricate (super easy) an interface cable or buy one -- so exact same downsides as a c7 seat other than cost.
One of the best things about c7 seats imho is that they look *almost* stock , and really fit the c5. But yeah, repairing c5 seats is a fraction of the cost of a set of c7 seats.
Great info. I do have a 12VDC and will follow your instructions as I would like to keep my C5 as original as possible although the C7 seats intrigue me. I’m gonna give the repair a go before making a decision on the C7 seats. Thanks for the detailed information.