Water Pump

REMOVAL 

1. Remove the A/C compressor. Refer to COMPRESSOR, A/C, REMOVAL AND INSTALLATION .
2. Drain the engine cooling system. Refer to DRAINING AND FILLING THE ENGINE COOLING SYSTEM  .

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3. Disconnect the quick connector (1) and remove the engine coolant inlet hose from the water pump inlet tube.

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4. Loosen the clamp (1) and disconnect the engine coolant outlet from the engine oil heat exchanger.

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5. Disconnect the wire harness connector (1) from the engine oil pump displacement control solenoid valve.

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6. Loosen and move back the clamps (1) for the engine coolant inlet pipe to the connection.

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7. Remove the stud bolt (1) securing the water pump to the engine block.

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8. Remove the bolts (1a) and the water pump (1b) from the engine block.

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9. Remove the seal (1).

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10. If necessary, position the water pump in the vice, undo the screws (1a) and remove the connector (1b) complete with O-ring (1c).

INSTALLATION 

1. If removed, position the water pump in the vice, install the connector with a NEW  O-ring and securely tighten the screws.

   Install a NEW  water pump seal.

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2. Install the water pump (1a) and tighten the bolts (1b) to the proper specification. Refer to TORQUE SPECIFICATIONS GAS ENGINE  .

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3. Install the stud bolt (1) securing the water pump to the engine block and tighten to the proper specification. Refer to TORQUE SPECIFICATIONS GAS ENGINE  .

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4. Install the engine coolant inlet pipes and clamps (1) to the connection.

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5. Connect the engine oil pump displacement control solenoid valve wire harness connector (1).

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6. Install the engine coolant outlet hose from the engine oil heat exchanger and clamp (1).

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7. Install the quick connector (1) of the engine coolant inlet hose to the water pump inlet tube.
8. Install the A/C compressor. Refer to COMPRESSOR, A/C, REMOVAL AND INSTALLATION .
9. Fill the cooling system. Refer to DRAINING AND FILLING THE ENGINE COOLING SYSTEM  .