Express 3/4 Ton Van V8-5.7L VIN R (1998)
6. Bend the tube around the J23688 or the J26568. Insert the tip of the pump into the cover plate opening.
7. Press the pump bulb. Allow a few drops to fall onto the measuring surface. Do not open the plastic cover when taking readings because any water
evaporation will change the reading.
8. Point the coolant concentration tester toward any light source. Look into the eyepiece.
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The 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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The temperature scale is reversed from a standard thermometer scale. Below zero readings are on the upper half of the scale.
