My 2000 Jeep Grand Cherokee larado

Tiny
JOHN BURCH
  • MEMBER
  • 2000 JEEP GRAND CHEROKEE
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 162,000 MILES
My 2000 jeep grand cherokee larado started knocking its still runs with no problem but its knocking and when give it gas the knocking has a slite screaching noise with it what would cause this and how do I fix it
Friday, August 12th, 2011 AT 11:27 PM

3 Replies

Tiny
CARADIODOC
  • MECHANIC
  • 33,916 POSTS
Check the vibration damper to see if it's loose. That will also cause the belt to slip and squeal.
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Friday, August 12th, 2011 AT 11:47 PM
Tiny
JOHN BURCH
  • MEMBER
  • 2 POSTS
Ok but whats causin it to knock? It only does it when idling, and it stops after I get into 3rd.
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Saturday, August 13th, 2011 AT 1:11 AM
Tiny
CARADIODOC
  • MECHANIC
  • 33,916 POSTS
A loose damper will move up every half revolution due to the belt tension pulling up. That makes a real loud knocking noise.
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Saturday, August 13th, 2011 AT 5:16 AM

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