- Tests all permanent (Ethylene Glycol) solutions with radiator hot or cold. Two scales display freeze point of radiator solution and the boiling point of the coolant or anti freeze
- - Remove radiator cap only when cool
- - Run engine to operating temperature
- - Draw up fluid to level line
- - Tap lightly to remove air bubbles
- - Top pointer must be vertical, large pointer shows degree of protection
- - Do not use dirty or rusty water
$11.00
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