TM 5-3805-258-24-1
When Required
3. Open the drain valve and drain the
coolant.
6. Close the drain valve. Clean and install
all drain plugs. Fill the system with a
cleaning solution.
Any commercial cooling system cleaner can
be used, or mix 1 kg Sodium Bisulfate
(NaHSO4) per 40 liters of water (2 lb per 10
gal).
7. Start and run the engine for 1/2 hour.
Stop the engine and
solution.
8. Flush the system
the draining water is
the engine while flushing.
drain the cleaning
with clean water until
clean. Do not run
4. Remove the drain plug from the
engine block. Drain the coolant.
9. Close the drain valve. Fill the system
with a neutralizing solution. Any
commercial cooling system neutralizer can
be used, or mix 250 g of Sodium
Carbonate Crystals (Na2CO3•10H2O) per 40
liters of water (1/2 lb per 10 gal).
10. Start and run the engine for 10
minutes. Stop the engine and drain the
neutralizing solution.
5. Remove the drain plug from the
torque converter oil cooler. Drain the
coolant.
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