Drain the coolant and disconnect the coolant pump inlet pipe.
Remove the drive belt and engine support bracket.
Remove the timing belt covers and the timing belt tensioner.
Remove the engine coolant pump mounting bolts.
Remove the engine coolant pump assembly from the cylinder block.
Clean the gasket surfaces of the engine coolant pump body and the cylinder block.
Install the new O-ring onto the groove on the front end of the engine coolant pipe, then wet the O-ring with water. Do not apply oil or grease.
Install a new engine coolant pump gasket and engine coolant pump assembly. Tighten the bolts to the specified torque.
Tightening torque |
Engine coolant pump bolt : |
10 mm : 10 - 12 Nm (100 - 120kg·cm, 7 - 9 lb·ft) |
14 mm : 48 - 52 Nm (480 - 520 kg·cm, 35 - 38lb·ft) |
Install the timing belt tensioner and timing belt. Adjust the timing belt tension, then install the timing belt covers.
Refill the coolant.
Run the engine and check for leaks.
Check the pump for cracks, damage or wear. Replace the pump assembly if necessary.
Check the bearing for damage, abnormal noise, and sluggish rotation. Replace the pump assembly if necessary.
Check the seal for leaks. Replace the pump assembly if necessary.
Check for engine coolant leakage. If the engine coolant leaks, the seal is defective. Replace the engine coolant pump assembly.
