Question about 1999 Chevrolet Lumina

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Whining noise while driving, changes with engine RPM and speed

I have a '99 Chevy Lumina 3100 V6 with 54k miles. There is a high- pitch buzzy whine that changes pitch with engine RPM/transmission speed. I removed the serpentine belt and drove it briefly - the noise is still there without the belt. So it's not the power steering pump, alternator, H20 pump or belt tensioner. Transmission has had regular service, and shifts smoothly in all gears. The noise is only evident while moving (forward or reverse) above 5 mph. There is just a slight raspy "scraping" noise in park or neutral, which becomes almost undetectable when shifting to drive or reverse with the brake still applied.

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 104 Answers

SOURCE: 99 chevy lumina 94k mi transmission stopped working. Fluid good.

check fluid level, make sure proper fluid is in transmission otherwise take to trans shop to diagnse if level and type is correct(check at idle normal operating temp)

Posted on Oct 21, 2009

csmock132
  • 4669 Answers

SOURCE: 1997 Suburban 4x4 5.7L Transmission whines until it shifts

You rear planetary set is worn from a restricted cooler.

Posted on May 06, 2009

Molson02536
  • 3854 Answers

SOURCE: transmission will not shift

Check the Vehicle Velocity Sensor (V V S)-(Speed Sensor) or the wire harness to the VVS. IF the ECM is not getting a signal from the V V S, the PCM can not give the signal to switch gears. The V V S is on the drivers side of the end ot the transmission that is held on by one bolt. Best thing to do is to have the truck scanned at Auto Zone for a DTC code and to confirm that the V V S has gone bad and they can give you the step by step instruction to replacing the sensor and takes about 15 min to do. Good luck and keep me posted. Keep an eye on the transmission fluid, make sure you don't run the transmission to hard and burn it out over a $40.00 sensor which is better then $1,800 for a transmission replacement. 

Posted on Jun 22, 2009

cansmo
  • 2431 Answers

SOURCE: Transmission makes whining noise in park and

Your transmission is the most popular you have a 4L60E,or a 4L80E just giving you the identification so you can price a reubuild or remanufactured, no reverse, noise ? you have a internal transmission failure,mechanical

Posted on May 04, 2011

  • 37 Answers

SOURCE: 1996 chev tahoe 5.7l 4x4 4L60e transmission when I

if it's also whining in reverse, it might be a problem with the converter

Posted on May 25, 2011

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