GM 89018039 Engine Coolant Pump Kit

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Start by draining off the coolant if it is still in good condition. Then, loosen the bolts of the pulley on water pump, detach drivebelt and after that remove pulley and mounting bolts for a water pump. If not stuck, carefully tap pump out of engine. Also clean mounting surface on engine and water pump as well as bolt threads and holes where necessary. Compare replacement with old one to ensure they are similar. To remove V8 engine: follow same steps but also remove battery and battery tray for access purposes. When installing a water pump, position gasket and pump then tighten up the mounting bolts according to torque specification required. Finally, reattach water pump pulley bolts (for V6 engines), refill cooling system and check for leaks while running engine to normal operating temperature as part of reverse removal process.

One indication of a failure in the shaft seal on the water pump is the presence of a coolant leak, which can usually be observed coming from that area.

One indication of a failure in the shaft seal on the water pump is the presence of a coolant leak, which can usually be observed coming from that area.