Tag: C4

Fixing a C4 Sport Seat Lumbar Support

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 […] More »

  Comments | By - April 21, 2010

How To Repair and Refinish Interior Plastic Pieces

How to Repair & Refinish Interior Plastic Pieces by Lars Grimsrud SVE Automotive Restoration Musclecar, Collector & Exotic Auto Repair & Restoration Broomfield, CO Rev. New 5-7-01 Having seen some pretty rough-looking ‘Vette interiors, and some rougher-looking ‘Vette interior repair & refinish jobs, I thought I’d put together a little how-to on making your black […] More »

  Comments | By - April 21, 2010

Lumbar Pump Repair (Sport Seats)

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, […] More »

  Comments | By - April 21, 2010

Replace Outer Window Seals

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 […] More »

  Comments | By - April 21, 2010

ZF Transmission Recommended

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 […] More »

  Comments | By - April 21, 2010

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