Big loud noise like vroom?

Tiny
GIOVANNI23
  • MEMBER
  • 2001 GMC JIMMY
  • 4.3L
  • 6 CYL
  • 4WD
  • MANUAL
  • 156,879 MILES
My car been making noise with this weather, it make a loud noise that when the car is in drive and when I’m at the stop and it time to go my car make a big loud noise like vroom even when I put my A/C it make that noise I don’t know what it is but I been having this problem a long time.
Monday, July 14th, 2025 AT 8:51 AM

3 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 54,137 POSTS
With the engine off, open the hood, then try to turn the radiator fan, it should move freely, if not the fan clutch is locked up and it needs to be replaced to stop the noise and regain better mileage. Here is the part in question. Check out the images (below). Let us know how it goes.
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Monday, July 14th, 2025 AT 6:56 PM
Tiny
GIOVANNI23
  • MEMBER
  • 5 POSTS
If not can I spend u the noises it makes.
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Monday, July 14th, 2025 AT 11:25 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 54,137 POSTS
Yes please, but like I say, I would lift the hood, (engine off) and try to spin the fan, it should freewheel.
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Tuesday, July 15th, 2025 AT 5:36 PM

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