1. Chevy Truck Forum

    Welcome To GMTruckClub.com!

    The #1 Chevy Truck Forum Online

    Online since 2004, we're the #1 Chevy Truck & SUV user community. If you have any questions about your Chevy or GMC Truck, SUV or Crossover, or just want to connect with other GM owners and enthusiasts around the world, you've found the best place on the internet to do that.

    Join Today ~ It's Free

    Registering is Free and Easy! Do it today and we'll see you on the forums soon!

new fuel pump noise

Discussion in 'GM Powertrain' started by BIG BURB, Jul 9, 2008.

  1. BIG BURB

    BIG BURB New Member

    hi guys i have a 99 suburban and i just changed the fuel pump oem:grrrrrr: and it runes great:happy: but their is a loud grinding humming like noise while it running coming from the tank:grrrrrr:. Did i get a bad pump? thanks ....tony
     
  2. collinsperformance

    collinsperformance Epic Member 5+ Years 500 Posts

    some pumps are louder than others. the Bosh HP replacement i got is so quite you almost think it was not running. the OEM one in the other truck is so loud you think it was going to explode. test the fuel pressure and if within spec ignore the sound.....mike
     
  3. BIG BURB

    BIG BURB New Member

    thanks man psi is good so i guess fu@$t it what noise right lol.........tony
     

Share This Page