1999 Cadillac Escalade HIGH PITCH WHINING NOISE

Tiny
JTIBB
  • MEMBER
  • 1999 CADILLAC ESCALADE
  • V8
  • 4WD
  • AUTOMATIC
  • 58,000 MILES
WHAT CAUSES HIGH PITCHED WHINING NOISE, SEEEMS TO BE CONSTANT, SEEMS TO COME FROM REAR OF VEHICLE
Saturday, January 31st, 2009 AT 6:13 AM

1 Reply

Tiny
FACTORYJACK
  • MECHANIC
  • 4,159 POSTS
Is the noise present with vehicle speed, or engine speed, and does it change or remain a constant ring? The only thing that comes to mind at this point is the fuel pump. You may even hear it briefly when keyed up prior to starting. Pretty common on C/K trucks, does not necessarily indicate failing.
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Sunday, February 1st, 2009 AT 12:23 AM

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