F 350 2WD Super Duty V8-6.0L DSL Turbo VIN P (2004)
3. Recommend checking coolant anticorrosion strength. Check the anticorrosion strength (nitrite level) of the coolant using the Rotunda 3-Way HD
Antifreeze Test Strip Kit part number 328-000011-800-Rotunda (768-8632) option 2 or equivalent. Perform coolant anticorrosion strength at the
frequencies recommended. (Figure 1)
NOTE
FAILURE TO FOLLOW THE SERVICE PROCEDURE AS INDICATED CAN RESULT IN INACCURATE TEST RESULTS.
4. Instructions for coolant testing:
a. Start with clean, dry hands and utensils.
NOTE
DO NOT COLLECT FROM THE COOLANT RECOVERY OR OVERFLOW SYSTEM. COOLANT MUST BE BETWEEN 50 °F AND 130 °F
(10 °C 54 °C) WHEN TESTED. ROOM TEMPERATURE IS PREFERRED.
b. Collect coolant sample from the radiator or petcock.
c. Remove one strip from the bottle. Do not touch the pads on the end of the strip. Discard strip if nitrite test pad has turned brown.
d. Dip strip in coolant sample for one second, remove, and shake strip briskly to remove excess liquid.
NOTE
FOR BEST RESULTS FOLLOW TEST TIMES CAREFULLY. USE A STOPWATCH OR CLOCK WITH A SWEEP SECOND HAND.
e. Wait 45 seconds but no longer than 75 seconds after dipping strip to compare and record results in the following order:
(1) Compare FREEZEPOINT (end pad) to color chart on bottle and record result.
(2) Compare NITRITE (end pad closest to handle) test to color chart on bottle.