Malibu V6-191 3.1L VIN M SFI (1997)
Coolant: Testing and Inspection
TOOL REQUIRED
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J 26568 or J 23688 Coolant Tester, Do not remove the clear plastic pump from the tester.
CONCENTRATION TESTING
1. Release the tip of the pump from the coolant tester housing.
2. Insert the tip of the pump into, the surge tank.
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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 land allow a few drops to fall onto the measuring surface.
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Do not open the plastic cover when taking readings because water evaporation can change the readings.
6. Point the coolant tester 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 (anti-freeze 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 make a new test.
