- Remover Radiator Cap (Only When Engine Cool).
- Run Engine to Normal Eemperature if Needed to Mix Fresh Coolant.
- Draw Fluid to Level Line.
- If Fluid Dirty or Rusty, Drain, Flush, and Refill Radiator-Clean Tester (Step7) and Repeat Step 3.
- Squeeze Lightly to Remover Air Bubbles.
- Top Pointer Must be Vertical-Large Pointer Shows Degree of Protection.
- Flush Tester With Hot Soapy Water and Rinse with Clean Warm Water.



















Reviews
There are no reviews yet.