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How to Change a Fan Belt on a 1994 Chevrolet Blazer

The fan belt on the 1994 Chevrolet Blazer not only turns the radiator fan, it also runs the alternator, water pump and other accessories located on the engine. This type of belt is called a serpentine belt because it resembles a snake by wrapping around so many pulleys on the engine. Over time, the belt can experience dry rot and cracking, despite being lined with steel braiding. Replace the belt, if it appears worn, to avoid getting stranded on the road.

Instructions

1

Map out the serpentine fan belt, noting how the belt wraps around each pulley. The serpentine fan belt is located between the engine belt and the radiator fan. Sketch out a diagram on a piece of paper. A diagram is also printed on the underside of the engine hood or on the fan shroud, but it may be missing.

2

Locate the tensioner pulley. On the 3.8-liter engine, the pulley is located between the alternator and the power steering pump. On the 2.8-liter engine, the pulley is located between the alternator and the air conditioner pump. The pulley has a square hole in the center of it. The diagram on the underside of the hood also shows the location of the tensioner pulley.

3

Place a 3/8-inch ratchet drive into the square hole and set the ratchet setting counterclockwise.

4

Pull up on the handle to release pressure on the serpentine belt then slide the bottom of the belt off the tensioner pulley.

5

Remove the belt from the rest of the pulleys then place the new belt onto the pulleys. Follow the belt routing diagram to ensure each pulley turns in the correct direction.

6

Pull up on the handle of the ratchet and slide the belt under the pulley. When you release the ratchet, the tension pulley applies tension to the belt.

Posted by Unknown at 11:00 PM

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