Question about 2002 Chevrolet Impala

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Serpentine belt i have 2002 impala 3.4 litre i'm changing the old serpentine belt i have the new one its' the same length and part number of the old one, but i can't get it to fit. what do i do? the tensioner is loose, do i need to loosen the alternator? Tom

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This procedure is for anybody who has has trouble getting a serpentine belt on. It's easy and doesn't require a prybar.

  • Get a 14mm or 9/16" socket and a long handled ratchet or breaker bar.
  • Get the belt around all the pulleys except the A/C compressor or Alternator.
  • The tensioner pulley is near the Alternator toward the center of the engine. It's on a spring loaded arm. Get your socket on the center nut of this pulley.
  • Slowly pull the ratchet toward the center of the engine. The pulley will pivot on the arm allowing you to get the belt on the final pulley.
  • Slowly release the tension.
  • You're done
Mike

Posted on Oct 12, 2008

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Your routing of the belt is probably wrong. There should be a diagram under the hood as to how the belt should be installed. The alternator is the last pulley to put the belt around. Using a 3/4" socket and inserting it into the tensioner pully, you have to 'lift' or 'pull up on the tensioner (some effort, not loose) while wrapping the belt around the alternator pully. Should be a 5 minute job.

Posted on Aug 06, 2008

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Does the alternator have an adjustment arm on it? If so, then I would say you are correct. Spend $20 on a Haynes Repair Manual at Auto Zone and get the exact step by step instructions with pictures on how to replace the belt or do just about anything else on your auto.

Posted on Jul 05, 2008

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  • 2 Locate the serpentine belt tensioner. It is located below the alternator on the left front side of the engine. The tensioner on the 3.4 liter, 3.5 liter and the 3.9 liter engines will require a 3/8 ratchet to release the belt tensioner. The 3.8 liter engine will require a ratchet and a 15 mm socket for the belt tensioner. Rotate the belt tensioner clockwise to loosen and remove the belt from the belt tensioner pulley.
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  • Read more: How to Replace a Serpentine Belt on a 2003 Chevrolet Impala ' eHow.co.uk http://www.ehow.co.uk/how_6120665_replace-belt-2003-chevrolet-impala.html#ixzz1Yi6QLAjb

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