The belt on the 1993 Cheverolet Blazer S-10 is a single serpentine belt. The serpentine belt is designed to operate all of the engine accessories from just one belt. The belt is routed around each engine accessory pulley in a method that enables the belt to operate all of the accessories at the same time. The belt has raised ribs on the interior that travel inside of the grooves on each accessory pulley. Replace the belt if any damage or excessive cracking is located anywhere on the belt.
Tools Used: Tools, 3/8-inch drive breaker bar, Metric socket kit
Open the hood on the 1993 Chevrolet Blazer S-10 and inspect the top of the black plastic fan shroud for the belt routing diagram. If the diagram is not on the fan shroud, inspect the under side of the hood. Use the routing diagram to install the new belt.
Locate the automatic belt tensioner on the front of the engine. The 1993 Chevrolet Blazer S-10 has a tensioning component that keeps the proper amount of tension on the belt while the motor is running. The tensioner for the 3.8 liter engine is located between the power steering pump and the alternator. The tensioner for the 2.8 liter engine is located between the alternator and the air conditioner pump. Use the square hole at the top of the spring loaded arm of the tensioner to rotate the tensioner.