How do I know if my turbo is shaft play?
Stick your hand in the turbo. Try to move that fin around in and out or up and down and see if it moves at all. If it moves alot you got issues, if ot dosent move alot you got no problems. Also if when you boost and let off you start blowing out oil it’s another sign your seals in the turbo are going usually.
Is shaft play in a turbo bad?
With the car off, minimal side to side shaft play is normal with older turbos. What you really dont want is “in-out” shaft play. If you can pull the blades towards or push them away from you that is bad news.
What causes turbo shaft play?
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 is a potentially serious condition that can lead to internal damage or complete failure of the turbine wheel or the turbo itself.
What does bad 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 much shaft play is acceptable on 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.
Is it normal to hear 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.
Should a turbo have side to side 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!
Why is my turbo making a weird noise?
Turbo whistle is the sound of the compressor inside the turbocharger speeding up (also known as ‘spooling up’, which is why it kicks in at the boost threshold (when the turbo starts to kick in) as you accelerate up the rev range.