Water Pump Making Rattling Noise
About 10 to 20 seconds before well pump shuts off it starts making a growling noise.
Water pump making rattling noise. If the fans are not the issue it could possibly be air bubbles in the pump causing this noise. The pumps bearings allow the drive shaft to pass through the pump housing and attach to the impeller. So with a faulty bearing you can often hear a squealing howling or sometimes a grinding noise coming from the front of the engine. Diy easy fix water pump noise squeaky whiny rattling noise lubricate weep hole bearing note.
Try the following troubleshooting steps to see if it helps to clear out any air bubbles. Set the pump to 100 and let it stay like that for 1 hour then turn it back down and see if the noise goes away. Http amzn to 2lb9iyl the bearing in the water pump is failing in this 3 0l m54 engine. Starts fine and sounds normal when it starts and runs for a bit.
One way to check for worn out or failed water pump bearing is to check for water pump shaft movement. Water pump noises change from loud and rattling. Even if you don t hear any noises apply the next steps. A squeaking or clicking sound coming from the bearings is a warning sign that they are wearing and in danger of breaking.
On 2018 07 13 by mod. It gets loud in those last seconds it is running. To a more quiet hum if a pump has lost prime louder when pump contains air instead of water and then regains its prime quieter when pump contains water. Here s a sound cli.
Turn off the pump to protect it. If the pump is making more noise than usual it is likely that one or more bearing is worn.