Serpentine Belt ACDelco 6K525 - 1AESB00029

Wear and Tear

This item is backed by a 60-day warranty against defects in materials and workmanship under its intended use. The warranty does not cover normal wear and tear. 

step : Removing the Serpentine Belt (1:01)

• Loosen the tensioner pulley nut with a 15mm wrench
• Raise and secure the vehicle
• Loosen the 13mm tensioner bolt
• Pull the belt off and out

step : Installing the New Serpentine Belt (2:51)

• Check that the new belt is the same as the old belt
• Loop the new belt around the crankshaft pulley and the power steering pulley
• Bring it around the air conditioning pulley and the alternator pulley
• Push it underneath the tensioner pulley
• Tighten the 13mm tensioner bolt until the belt has 1/8 inch of play in either direction
• Tighten the 15mm tensioner pulley nut
• Lower the vehicle to the ground
• Briefly run the engine
• Check that the belt has 1/8 inch of play in either direction
• If the belt is too tight, loosen the tensioner bolt
• If the belt is too loose, tighten the tensioner bolt