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Can a bad water pump pulley rattle?

Rattling Noise Worn out bearings are the most common cause of water pump failure. Water pumps move a huge amount of coolant over time, and they simply wear out. Ask your customer if they loosened a belt tensioner and checked both the tensioner(s) and water pump. Belt tensioners can also rattle when they are worn out.

Should there be any play in a water pump pulley?

The water pump pulley should not have much “play” in it at all. Any side to side movement would indicate wear in the shaft bushing and likely be a leak at some point in the near future. Idler pulley has a bearing in it that has a little play in it, but not much.

Can you shim a water pump pulley?

Shim Kit; For Water Pump Pulley; Pulley alignment is very important, especially when the engine is run at 6000rpm and above. These shims are designed to properly align the pulleys so the belts will stay put. They are installed between the water pump and water pump pulley.

What causes power steering pulley wobble?

The pump may have failed or be leaking as well. If the pump was leaking onto the pulley, the buildup would cause the pulley to fail. This component should keep the slack tight on the pulley. You will want to make sure the tensioner is working as well.

What does a faulty water pump sound like?

Whining or Groaning Noise A whining or groaning noise usually means that either a drive belt is loose, or the water pump pulley is bad. It may surprise your customer that a pulley could fail. It does occasionally happen. Pulleys may fail due to rust, which can cause cracking between their bolt holes.

How do you know if your water pump pulley is bad?

Symptoms of a Bad or Failing Water Pump Pulley

  1. Physical damage to the water pump pulley. The most obvious sign that a problem exists with your water pump pulley is if it’s physically damaged.
  2. Extensive wear on the water pump or serpentine belt.
  3. Grinding sound from the front of your car.
  4. Engine overheats.

What kind of noise does a bad water pump make?

Whining or Groaning Noise A whining or groaning noise usually means that either a drive belt is loose, or the water pump pulley is bad. It may surprise your customer that a pulley could fail. It does occasionally happen.

Should my power steering pump pulley move in and out?

The pulley shaft will commonly move in and out of pump body even on brand new units, I’ve seen 1/8″ before. Normal.