I bought a g35 03 coupe and the person I bought it from said he replaced the belts with new ones. After, driving the car for like a week. The belts started to squeal .. and it’s have gotten worst and worst as the days go by.. Please help..

 

Sounds like your belts are loose and slipping. You'll need to add more tension by adjusting the belt tensioner. If you go on YouTube and watch videos on how to change the belts, you'll learn how to tighten the belts by adjusting the tensioner.

 

Thanks bro I’m going to try and mess with the belts today and hopefully it goes away.

 

Good advice! ^ If tightening the belts doesn't stop the squeal, you may need a new belt tensioner! Not unusual with high mileage systems...Gary