1990 Chevy S-10 chevy s10 drivetrain humming

1990 CHEVROLET S-10
150,000 MILES • 6 CYL • 2WD • AUTOMATIC
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PHATMIKE1111
  • MEMBER
  • 5 POSTS
ok have a auto trans and when i let of the gas the hole truck hums real loud and down shifts hard any ideas on what this is
Dec 3, 2009 at 2:10 AM
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HMAC300
  • ✓ASE Certified Mechanic
  • 48,601 POSTS
  • ASE Certified Mechanic
noises are hard to diagnose via computer,have a trans guy look at it they could help you out better. There should be no charge for this.
Dec 7, 2009 at 11:59 AM
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PHATMIKE1111
  • MEMBER
  • 5 POSTS
it was worth a try. thanx
Dec 10, 2009 at 9:57 PM
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