Hope your talking about a Z. Year, make and model is key information when post questions.
Look at the top of the inside of the gauge, you will see one screw on each gauge. Then look under the dash and you will see one screw on each side of the column remove them also. Now pull the gauges out from the front unlike the others that come out from the back side of the dash. Remember the speedo has a cable attached.
This would a good time to replace all your dark tented bulbs out... Good luck.
Here is an old post that you can read my answer that might give you some good ideals...
[
www.zcar.com]
Edited 1 time(s). Last edit was 2009:07:03:15:36:47.