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How to Replace a Belt Tensioner on a 2002 Silverado

Replacing the serpentine belt tensioner on the engine of your 2002 Chevy Silverado may be necessary if the spring is worn or the tensioner is sticking. The tensioners job is to keep the slack out of your serpentine belt as it stretches and wears. If it is not working correctly, the belt may become loose and come off the pulleys, or damage may occur to the belt, pulleys and accessories. Replacement belt tensioners are available from the dealer or most parts stores.

Instructions

1

Raise the hood of your Silverado and locate the negative battery cable on the battery. Remove the retaining bolt and cable end from the battery terminal using a wrench. Lay the cable aside.

2

Locate the tensioner on the front of the engine. Insert the square drive from a 1/2-inch-drive breaker bar into the square hole in the tensioner arm. Rotate the tensioner counterclockwise and slip the belt off the tensioner pulley. Remove the breaker bar.

3

Place a socket and ratchet on the bolt in the center of the tensioner. Rotate the bolt counterclockwise and remove it from the tensioner. Pull the tensioner off the front of the engine and discard it.

4

Position the new tensioner on the engine and install the center bolt. Tighten the bolt to 37 ft.-lbs. with a torque wrench and socket. Place your 1/2-inch-drive breaker bar in the square hole on the new tensioner arm and rotate the tensioner counterclockwise. Slide the serpentine belt onto the new tensioner.

5

Tighten the belt by rotating the tensioner clockwise. Remove the breaker bar from the tensioner. Reattach the negative cable to the battery terminal and tighten the retaining bolt with a wrench.

Posted by Unknown at 12:15 PM

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