How To Replace Engine Serpentine Belt Idler Pulley Ford 92-96 F-150/250/350

Difficulty: Intermediate · About 30 min · Ford F-150

Replace the engine serpentine belt idler pulley on a 1992-1996 Ford F-150, F-250 or F-350.

Steps

1. Remove the old belt

   Note the routing diagram, fit a 15mm socket and ratchet to the tensioner, pull it counterclockwise to slacken the belt, then walk the belt off the idler pulley and pull it free, releasing the tensioner slowly.

2. Remove the old idler pulley

   Check the remaining pulleys for smooth, play-free rotation, then remove the single T50 Torx bolt and pull the old pulley off.

3. Install the new pulley

   Fit the T50 bolt through it, seat it into place, then tighten the bolt.

4. Reinstall the belt

   Feed it into place following the diagram around the crankshaft, power steering, A/C, tensioner and alternator pulleys, use the 15mm socket to relieve the tensioner again to walk it onto the idler pulley, then release slowly.

Check your vehicle’s repair manual for exact specifications and fit.