Cannondale ATV Owner's Manual page 99

3. Place a clean bucket under the radiator drain bolt and
remove it. Allow the radiator contents to drain
completely. Then, inspect the drain bolt 0-ring - if
damaged, replace. Apply some O-ring lubricant to the
O-ring and install the drain bolt.
(2)
1. Radiator drain bolt
2. O-ring
4. Remove the coolant outlet drain bolt and sealing
washer and allow coolant to drain completely. Reinstall
the sealing washer and bolt. Tighten snug.
1. Coolant outlet
2. Drain bolt
3. Sealing washer
5. Add the specified coolant at the bottle until it reaches
the LEVEL mark on the bottle.
6. Bleed the coolant system.
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