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How to Replace the Serpentine Belt on a 1992 Ford Ranger

Installing a new serpentine belt on the drive pulleys of your Ford Rangers engine may be necessary if the belt is showing heavy wear or damage of any kind. The belt turns all the accessories on the front of the engine. If the serpentine belt fails, the engine may overheat, causing catastrophic damage to the block, heads and internal parts of the engine. Pay close attention to the belt-routing diagram when installing the new belt to avoid damaging the new belt as you install it.

Instructions

1

Locate the negative cable on the battery of your Ford Ranger. Remove the retaining bolt from the cable end with a wrench. Lift the cable off the negative battery terminal and isolate it away from the battery.

2

Locate the serpentine belt tensioner on the front of the engine. The serpentine belt tensioner looks like a metal arm with a plastic pulley mounted on the end of it. Place a socket and breaker bar on the nut in the center of the idler pulley on the end of the tensioner arm. Rotate it counterclockwise to release the tension from the belt.

3

Remove the belt from the tensioner. Rotate the tensioner back to the home position. Remove the belt from the remaining pulleys and discard it.

4

Install the new serpentine belt over all the pulleys on the front of the engine but leave it off the idler pulley. Route the belt over the pulleys according to the diagram on the radiator support.

5

Rotate the tensioner counterclockwise. Slide the belt onto the idler pulley. Rotate the tensioner back to the home position.

6

Install the negative cable on the negative battery terminal. Install the retaining bolt and tighten with a wrench.