Having problems with your 2006 Chevrolet Trailblazer ?

Loud whining noise

\015 My trailblazer is making the same noise. it is driving me nuts. I changed the Idler Pulley and the altenator. I used the screwdriver test on the altenator and it sounded like it was making the noise, so I put a new one in, that wasnt the problem! Any suggestions?\015 Posted / edited by AnonymousUser on : 20-05-2019

Answers :

Had 2004 tb has a chip on the cooling fan its self your fan may be going out does sond like a turbin or a jet lol if so its the fan sensor
Repair Help & Product Troubleshooting for 2006 Chevrolet Trailblazer

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