2003 tahoe

[Sugai]

Tahoe makes whining sound when accelerating, don’t know what’s the noise

 

[Erickk120]

Need to be more specific, Where is it coming from? does it change when you turn, or fast inputs to the steering? Could be simple from a bad PS pump to a bad rear end to transmission, thats why we need as much detail as possible.

 

[adriver]

Need to be more specific, Where is it coming from? does it change when you turn, or fast inputs to the steering? Could be simple from a bad PS pump to a bad rear end to transmission, thats why we need as much detail as possible.

Yes this.. A lot more info is needed. From OPs description, it could be anything anywhere in the entire driveline to the two little neighbor kids OP forgot they had strapped to the roof.

 

[Rocket Man]

Pretty sure that's the wife lmao.

 

[Chrismnj]

maybe is supercharged,

 

[Sugai]

Tahoe makes whining sound when accelerating, don’t know what’s the noise

Tahoe it’s when you accelerate on the load, changed Alternator, tensioner/idler Pulley, noise still there, noise is coming from under the hood, that’s where I’m hearing it, noise sounds like a car with gear drive, noise comes and goes when shifting, automatic. Trans

 

[Sugai]

Tahoe it’s when you accelerate on the load, changed Alternator, tensioner/idler Pulley, noise still there, noise is coming from under the hood, that’s where I’m hearing it, noise sounds like a car with gear drive, noise comes and goes when shifting, automatic. Trans

 

[Chrismnj]

did you get high output alternator? I have seen some aftermarket H/O alternators whining

 

[Sugai]

did you get high output alternator? I have seen some aftermarket H/O alternators whining

No

 

[RET423]

Sounds like a power steering pump if the noise changes with rpm, a failing transmission pump can do this as well but there are usually other symptoms that go along with the whining.

You have checked the power steering fluid level and the transmission fluid level I assume?