Saturday, October 11, 2014

Taking Apart the Instrument Cluster

The 1966 Custom Cab instrument cluster is comprised of 4 standard and 2 optional parts that tear down and re-assemble fairly easily. The parts include :
  1. Front Bezel - Chrome finished plastic that all pieces attach to and then it is screwed to dash
  2. Primary Gauge Panel  - includes the speedometer, Fuel and Temperature gauges
  3. Lens - has the white lettering for each of the gauges
  4. Two front gauge rings - one each for the Fuel and the Temperature gauge
  5. Two optional gauges (ALT/OIL Pressure)
Removing the primary gauge panel is very straight forward. Laying the cluster face down on a soft suface, remove the 7 screws from the back of the panel with a phillips head screwdriver.
Location of gauge panel screws
Gently lift up the panel revealing the plastic lens and lay the panel aside. The Lens is just laying in the bezel so lift up using the edges to keep from leaving finger prints on the lens. This leaves the two optional gauges in the bezel. To remove them, first take off the wire retaining nuts and split washers if you haven't already. The gauges are held in place by two additional nuts on the same gauge posts as the wiring but tightened to hold the housing against the bezel.
Optional Gauge Mounted on Bezel
With a 3/8" wrench remove the housing retaining nuts which release the gauge through the front of the bezel and the gauge housing on the rear. Both the gauge and housing should drop away but may need a little wiggling or pressure after sitting in place for 50 years. The gauge itself comes out the front of the bezel while the gauge housing comes off the back.  Repeat for the other optional gauge and this should leave the bezel as a single piece of plastic.

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