What does it sound like when a belt tensioner is bad?

2020-03-15 by No Comments

What does it sound like when a belt tensioner is bad?

When the tensioner or tensioner pulley fails, the loss of tension can cause the belt and pulleys to make high-pitched rattling or chirping noises. If the pulley bearing completely fails, it can also cause a squealing or even a grinding noise. Symptom 2: Knocking or slapping. This can cause a slapping or knocking noise.

How do I know if my idler pulley belt is bad?

Signs of a Bad Idler Pulley

  1. Squealing. When the engine is idling, a bad pulley may make a squealing sound.
  2. Frozen. The bearings in a pulley may cause the pulley to freeze or in some cases hard to spin.
  3. Belt Travel.
  4. Pulley Mounting.

What does a loose engine belt sound like?

A loose drive belt will often be noisy, squeaking a bit, or emitting a high-pitched squeal. The most obvious sign of a loose drive belt, though, is in its appearance and tension. Belts are used to rotate components on the engine assembly, such as a coolant pump (water pump).

When should the timing belt be replaced on a Toyota Tundra?

60,000 to 100,000 miles
Timing belts are replaced as part of scheduled maintenance, usually every 60,000 to 100,000 miles.

What noise does a bad pulley make?

When the tensioner or tensioner pulley fails, the loss of tension can cause the belt and pulleys to make high-pitched rattling or chirping noises. If the pulley bearing completely fails, it can also cause a squealing or even a grinding noise.

Is it normal for a new timing belt to make noise?

Does a New Timing Belt Make Noise? You’ll hear the normal hum of any engine, but the timing belt itself should run entirely silently. If you hear something that’s like a bit of a high-pitch whining sound, it may be a new tensioner giving you trouble. That’s just because it needs to be worked in a little.

How many miles can I put on a Toyota Tundra?

According to iSeeCars, the Toyota Tundra can comfortably reach 300,000 miles before needing major repairs. Based on an annual average of 20,000 miles driven, this translates to 15 years of use if you maintain the vehicle properly.

Does a 2004 Toyota Tundra 4.7 l have a timing belt or chain?

The 2004 Toyota Tundra 3.4L and 4.7L engines have timing belts. The 3.4L is a non-interference engine and the 4.7L is an interference engine.