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DIY: Replacing A Serpentine Engine Belt

The serpentine drive belt is what keeps your battery charged, your engine cool, steering easy to turn and keeps you cool when it's hot enough to fry bacon on the sidewalk. But how often do you really think about it? Not often enough I'll wager.
» That Old Myth...
» That Old Myth...
» Let's Get This Straight...
» Those Who Are Idle Work Here...
» Automatic Tensioners...
» I Can Use A Belt...
» Serpentine Drive Belt T/S

Serpentine Drive Belt Troubleshooting

  • Drive belt cracking.
  • Drive belt.
  • System Okay.
  • Drive belt chunking.
  • Drive belt.
  • Install new drive belt.
  • Drive belt noise or squeal.
  • Drive belt.
  • Pulley(s).
  • Determine what area of the pulley(s) the noise is coming from, then check that area with a straightedge and look for the accessory pulley(s) to be out of position in the fore and aft direction, or at an angle to the straightedge.
  • Drive belt does not hold.
  • Drive belt cracking or damaged.
  • Inspect the drive belt for cracking parallel with and through to the backing. Install a new drive belt as required.
  • Drive belt tensioners worn or damaged.
  • Check the drive belt tensioner for damage and correct operation. Install a new drive belt tensioner as required.
  • Drive belt chirp or squeal.
  • Incorrect drive belt installed.
  • Check the drive belt for correct part application.
  • Lubricant or other contamination on the drive belt.
  • Check the drive belt for oil, coolant, power steering fluid or other contamination. Remove the drive belt and wash the drive pulleys with detergent and water. Install a new drive belt.
  • Drive belt pulleys not aligned, damaged or not rotating freely.
  • Check the pulleys for correct alignment, devices and pulleys for correct freedom of rotation and damage. Repair the pulleys and devices as required.

  • More...
    » Part 1       » Part 2       » Part 3       » Part 4
    » Part 5       » Part 6       » Part 7
    Additional Information provided courtesy of and Warranty Direct
    © 2000-2007 Vincent T. Ciulla

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