1991 Honda Prelude hepl

This operation requires removal of the timing belt. Do not attempt to replace the water pump if you are not familiar with timing belt procedures.

REMOVAL:
Disconnect the negative battery cable.
Turn the engine to align the timing marks and set cylinder No. 1 to TDC on the compression stroke. Once in this position, the engine must NOT be turned or disturbed.
Drain the engine coolant.
Remove the timing belt.
Remove the bolts holding the water pump; pay attention to the locations of any bigger or longer bolts.
Remove the water pump and the O-ring.

INSTALLATION:
Replace the O-ring and install the water pump. Make certain the O-ring does not deform or come out of place. Tighten the mounting bolts to 9 ft. Lbs. (12 Nm). On the Accord V-6, tighten the 8mm bolts to 16 ft. Lbs. (22 Nm) and the 6mm bolts to 9 ft. Lbs. (12 Nm).
Install the timing belt.
Refill the engine coolant.
Connect the negative battery cable.
Start the engine, allowing it to idle. Check the work area carefully for any sign of fluid leakage or any indication of the belt rubbing or slapping the covers. Bleed the cooling system.
Shut the engine off. Reinstall the splash shield.

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