Cutlass V6-191 3.1L VIN M SFI (1998)
Coolant: Testing and Inspection
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Tools Required
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J 23688 Coolant Tester
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J 26568 Coolant Tester
Do not remove the clear plastic pump from the tester.
1. Release the tip of the pump from the coolant tester housing.
2. Insert the tip of the pump into the surge tank. Ensure the tip of the of the pump is below the level of coolant.
3. Press and release the bulb to get a sample.
4. Insert the tip of the pump into the cover plate opening.
IMPORTANT: Do not open the plastic cover when taking readings because water evaporation can change the readings.
5. Press the bulb and allow a few drops to fall onto the measuring surface.
