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, […]

I ordered my seals form Eckler´┐Żs. Fit was perfect and included six replacement pop rivets but no instructions. I use a combination of previous posts and a little common sense to get the job done. The procedure was done on my 91. Adjustments should be made for other years. Took about 30 min per door […]

The 6 speed manual transmission in 1989-1996 Corvettes was produced by German automotive components company ZF Industries http://www.zf-group.de/. The Corvette Owners Manual clearly states that this transmission does not need service, but the transmission fluid level should only be checked and kept full. A bit of research confirmed that ZF does not share this recommendation […]

EVERYTHING IN THE OTHER BOSE AMP FIX IS CORRECT INFO, BUT EVERYBODY THINKS IT\’S ONLY THE TWO 820UF CAPS THAT GO BAD BECAUSE THEY ARE THE BIGGEST ONES ON THE BOARD. IN REALITY THERE ARE SEVERAL ELECTROLIC CAPACITORS THAT CAN GO BAD ON THESE CARDS. AS ON ALL ELECTRONIC EQUIPTMENT ELECTROLIC CAPS TEND TO DRY […]

This is just another view of this procedure that was published 6/15/01. Horse power can be increased by cooling the air that passes through the throttle body, My ’93 routes hot coolant through the throttle body to prevent the valve from freezing. The hot coolant also heats the air in the summer months. So, if […]