2000 Chevrolet Suburban Fuel Pump Hum

2000 CHEVROLET TAHOE
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MOTIONMAN
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  • 1 POST
I have a 2000 Chevrolet Suburban with 80,000 miles. Last summer, I started hearing a humming sound coming from under the truck. It seems like when it got warmer, or the longer period of time that I drove it, the humming got louder. I asked a local repair shop and he said it was probably my fuel pump. He said I didn't need to change it right away because it could still last a long time. When I brought this question up with some friends, they informed me that Chevy trucks all have a loud humming sound coming from their fuel pumps. They said I could put in a new fuel pump and it will probably make the same sounds. Is there any truth to this?
Apr 11, 2006 at 2:03 PM
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LOSONE
  • ✓Experienced Mechanic
  • 1,616 POSTS
Classic Chevrolet fuel pump hum. The 2000/01 chevrolets had a hum problem. It is an expensive repair to drop the tank and replece the pump. I tell folks to let it go until you can't stand the noise any more. Maybe about $500+ dollars will make the sound get lower. It doesn't hurt anything until the truck starts to run bad--then it's time.
Apr 12, 2006 at 5:48 AM
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Suggested Repair

The humming is a known 2000/2001 Chevrolet fuel-pump characteristic. Leave the pump alone until the noise becomes unbearable or the truck starts running poorly; replacing it requires dropping the tank and may only reduce the sound.

Conversation Summary

The owner of a 2000 Chevrolet Suburban with 80,000 miles reported a humming noise under the truck that grew louder as the vehicle warmed up or was driven longer. A shop suggested the fuel pump but said replacement was not urgent, while friends said Chevy fuel pumps commonly hum. The expert confirmed this is a classic 2000/2001 Chevrolet fuel-pump hum, advised waiting until the noise is intolerable, and said replacement is expensive and only necessary if the truck begins running poorly.

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