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

Five Cheap Mods That Add Up to 70 HP to a C4

1) First, relocate the the intake air temperature sensor to the air clearer duct. The heat load where it is located on a stock C4 gives the ECM (Electronic Control Module) a false reading and the ECM responds by cutting back on the fuel/air mixture to a leaner value than is actually required. Mid-America sells […] More »

  Comments | By - April 21, 2010

Erasing DTC Codes

You can acess all of the cars trouble codes from the dic and erase them! I know it works on my 99 but, I am not so sure on the earlier C5’s. Here is what you do: Press and hold options and then press Fuel 4 times while still holding the options button you must […] More »

  Comments | By - April 21, 2010

Emergency Hood Release

If your hood release cable breaks, you will never have a problem accessing your engine compartment, if you follow this very simple procedure as a precaution: Cut two pieces of BRAIDED NYLON TWINE about 3 feet in length. The twine diameter should be about the diameter of a pencil lead. Burn the ends using a […] More »

  Comments | By - April 21, 2010

Eliminating Cockpit Heat in a C3

Like most of you I\’ve battled the problem of cockpit heat. I think I\’ve finally found a problem in my 74 that may be common to a lot of C3s and which may cause heat to come in to the cockpit no matter how much insulation or sealing is done to the heat/AC system. Over […] More »

  Comments | By - April 21, 2010

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