DeVille Concours V8-4.6L VIN Y (1995)
Coolant: Testing and Inspection
Testing Coolant
Testing Coolant
Tool Required: J 26568, J 23688 or J 38633 Coolant Tester
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Do not remove the clear plastic pump from J 26568, J 23688 or J 38633.
1. Release the tip of the pump from J 26568, J 23688 or J 38633.
2. Insert the tip of the pump into the radiator filler neck.
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Make sure the tip of the pump is below the level of the coolant.
3. Press and release the bulb to get a sample.
4. Insert the tip of the pump into the cover plate opening.
5. Press the bulb and allow a few drops to fall onto the measuring surface.
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Do not open the plastic cover when taking a reading because water evaporation can change the readings
6. Point J 26568, J 23688 or J 38633 toward any light and look into the eyepiece.
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Coolant protection reading is at the point where the dividing line between light and dark crosses the scale (antifreeze protection is the scale on
the right).
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Temperature scale is reversed from a standard thermometer scale.
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Below zero readings are on the upper half of the scale.
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If the readings are not clear, the measuring surface was not cleaned and dried properly. Wipe dry and take a new test.
