Serpentine belt tensioner

Tiny
MAESTROBING325
  • MEMBER
  • 2003 BUICK LESABRE
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 106,000 MILES
How do I replace my serpentine belt tensioner on a 2003 Buick Lesabre?
Tuesday, February 16th, 2010 AT 12:19 PM

1 Reply

Tiny
ERNEST CLARK
  • MECHANIC
  • 1,730 POSTS
Drain the cooling system.
Remove the alternator.
Remove the heater hoses from the drive belt tensioner fittings.
Remove the drive belt tensioner bolts (3).
Remove the drive belt tensioner from the engine.

Installation is the reverse.

See the guide below, not make/model specific but will give you an idea of what it takes

https://www.2carpros.com/articles/serpentine-belt-tensioner-replacement

Hers a link to the page with the belt routing diagram

https://www.2carpros.com/diagrams/buick/lesabre/2003
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Saturday, February 20th, 2010 AT 7:54 AM

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