Having problems with your 2003 GMC Yukon XL ?

Loud engine noise or knocking when AC on

\015 I have heard a loud engine noise or knocking 3x's. Each time when I turn my A/C off it stops. I have a '03 GMC Yukon XL with 102k miles. Please tell me any ideas\015 Posted / edited by AnonymousUser on : 19-10-2020

Answers :

Have your air compressor for your air tested. Sounds like its bad.
Repair Help & Product Troubleshooting for 2003 GMC Yukon XL

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