My car makes a whistling like turbo spool or supercharger sound pitch increase when i revive in park or accelerating in drive and goes off when letting off the Gas whether in park or drive and sounds also don't happen when in idle 1k in park.. Although the car is working perfectly no appearing effects on performance.. Note : i changed my serpentine belt yesterday sound appeared after installing but i recognized it after i got home
My car has an automatic transmission.
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