How much shaft play is acceptable in a turbo?

How much shaft play is acceptable in a turbo?

While there is always going to be shaft play in a journal bearing turbo, the allowable tolerances we’re talking about is 0.003″-0.010″ which isn’t much to really notice.

What causes shaft play in a turbo?

Shaft play is caused by the bearings in the center section of the turbo wearing out over time. When a bearing is worn, shaft play, a side to side wiggling motion of the shaft occurs. This in turn causes the shaft to scrape against the inside of the turbo and often produces a high-pitched whine or whizzing noise.

What are signs of a turbo going bad?

The most common signals that you may have a blown turbo are:

• The car has noticeable power loss.
• The acceleration of the car seems slow and noisy.
• The car doesn’t easily maintain high speeds.
• There is smoke coming from the exhaust.
• There is an engine fault light on the dashboard.

Should a turbo have play?

Pretty normal over time the thrust faces will wear on the bearings. As they are an oil film bearing there should be a minute amount of side to side play which is the clearence for the oil film. On ball bearing turbos they should be no play in any direction!

What does a dying turbo sound like?

Loud noises: If your vehicle has a bad turbo, you may hear loud noises that sound like whining or screeching. So if your vehicle is running and you hear a loud whining sound that increases in volume as the problem goes unfixed, this is most likely to do a turbo problem.

How do you know if your turbo is good?

1. Check for Shake Problems.
2. Inspect the Compressor Wheel.
3. Check the Edges of the Compressor Wheel.
4. What In-and-Out Play Does to a Turbocharger.
5. Check for Turbine Damage.
6. Look for Surge Problems.
7. Signs of Side-to-Side Damage – Check for Shiny Marks on the Turbine Edges.
8. Check the Bore and Wastegate Ports for Cracks.

How do you know if your car has turbo?

Take a look at the badges on the rear of your vehicle, and look for the word “Turbo”, or the letter “T”, in conjunction with other letters, which is usually used to denote the word turbocharged (e.g. TDI, TSI, TFSI, TDCI).

Should a turbo whistle?

When should you be concerned? All turbochargers make some amount of noise – and most people don’t even notice it. However, if the whistling sound gets louder, more noticeable, or changes in any way, it could be symptomatic of a number of different problems, that all warrant further investigation.