1995 Honda Prelude Owner's Manual - Page 196

If Your Engine Overheats 6. Look for any obvious coolant leaks, such as a split radiator hose. Everything is still extremely hot, so use caution. If you find a leak, it must be repaired before you continue driving (see Towing on page 210). 7. If you don't find an obvious leak, check the coolant level in the radiator reserve tank (see page 143). If the level is below the MIN mark, add coolant to half-way between the MIN and MAX marks. 8. If there was no coolant in the reserve tank, you may also have to add coolant to the radiator. Let the engine cool down until the temperature gauge registers below the midpoint, or lower, before checking the radiator. 10. Start the engine and set the temperature control lever to maximum. Add coolant to the radiator up to the base of the filler neck. If you do not have the proper coolant mixture available, you can add plain water. Remember to have the cooling system drained and refilled with the proper mixture as soon as you can. Removing the radiator cap while the engine is hot can cause the coolant to spray out, seriously scalding you. Always let the engine and radiator cool down before removing the radiator cap. 9. Using gloves or a large heavy 11. Put the radiator cap back on cloth, turn the radiator cap tightly. Run the engine and watch counterclockwise, without pushing the temperature gauge. If it down, to the first stop. This illuminates the red marker again, releases any remaining pressure in the engine needs repair. (See the cooling system. After the Towing on page 210.) pressure releases, push down on the cap and turn it until it comes 12. If the temperature stays normal, off. check the coolant level in the radiator reserve tank. If it has gone down, add coolant to the MAX mark. Put the cap back on tightly. Taking Care of the Unexpected