Tag: C4

Remove Valve Cover on a 1985 Corvette

I recently performed this small feat by not following the Haynes Manual instructions. For the driver\’s side valve cover removal the manual descibed removing the serpentine belt and the alternator in order that the valve cover could be moved forward for removal. I noticed the cover for the wiper motor at the firewall and with […] More »

  Comments | By - April 21, 2010

Worn Wire Loom Behind Battery Tray

While replacing the battery in a \’92 I noticed that the large harness that runs behind the battery tray had the wire loom worn off by rubbing against the rear of the battery tray – this tray has a lip that is rather sharp. Before any wires were frayed, I decided to repair the wrap […] More »

  Comments | By - April 21, 2010

Additional Headlight Bushing Replacement Info 1988 Corvette

Following the tech tip from Jeff Loftis, I found these two circumstances to be true for my 1988. I don\’t know if this will apply to other model years. 1) One of the two torx bolts holding the headlight motor to the frame is blocked by another part of the headlight bracket assembly. Theres is […] More »

  Comments | By - April 21, 2010

C4 Rear Axle Recommended Maintenance

The rear axels in C4 Corvettes are from Dana Corporation http://www.dana.com/ GM does not specify a service interval in the owners manual. Dana Corporation makes the following recommendations: 1. If there is any possibility of water contamination the oil needs to be changed immediately.

  Comments | By - April 21, 2010

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

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