When the saturate pump in a 1997 GMC Sierra 1500 begins to fail, the inaugural signs of the failure Testament be coolant leaking elsewhere of the seals on the saturate pump. This Testament be followed by a cacophonous bewailing indicating the bearings in the pump failing. While many vehicles bear tricky flood pump assemblies, the saturate pump in the GMC Sierra is quite light to install, allowing you to avoid paying for a mechanic to install the pump.
Instructions
Removing and installing the water pump
1. Frank up the hood of the vehicle. Benefit a wrench to remove the clamp bolt located on the balky battery cable. Remove the anti cable from the battery terminal.
2. Deposit a remove pan underneath the radiator. Carefully disconnect the hose from the water pump by pulling it from the connector. Use a wrench to remove the mounting bolts around the water pump. There should be seven in total. Lift the water pump from the vehicle.
Place the fan meeting in the vehicle. You Testament catch the fan on the engine beside to the imbue pump. Employment a wrench to remove the mounting bolts from the frill fan bracket. Remove the fan bracket from the vehicle. Remove the retaining bolt on the fan and lift the fan absent of the Sierra. Practice a devotee Chauffeur to loosen the bolt on the fan belt tensioner. The fan belt tensioner is what tightens the fan belt around the engine. Loosening the bolt will loosen the belt so you can remove it. Remove the fan belt from the engine.
4. Locate the hose that travels between the water inlet and the water pump itself. Fix the bleed plug, which is at the backside of the radiator. Remove the extract plug and extract the coolant in to the pan.3.
5. Place the new water pump in position. Tighten each of the seven mounting bolts, using a torque wrench, applying 15 foot-pounds of torque.
6. Reconnect the hose from the water pump inlet to the water pump. The hose will still be connected to the water pump inlet and simply just needs to be lifted up and placed in the water pump. This requires no bolts. Simply press it in to its connector.
7. Use a wrench to reattach the accessory bracket in the engine. Place the fan back next to the bracket and fix it in place with the retaining bolts. Place the fan belt back onto the fan belt tensioner. Use a nut driver to tighten the tensioner bolt, which will fix the belt in place.
8. Close the drain plug of the radiator. Fill the radiator with coolant. Close the radiator cap securely.
9. Attach the negative battery cable to its terminal post and tighten it. Start the engine and allow it to run for a few minutes as you check for leaks.
