How to Replace Serpentine Belt 98-12 Ford Ranger 4.0L V6
Difficulty: Intermediate · About 40 min · Ford Ranger
Replace the serpentine belt on a 1998-2012 Ford Ranger with the 4.0L V6.
Tools you will need
- Ratchet
- Socket extensions
- Flat blade screwdriver
- Phillips head screwdriver
- 7mm socket
- 10mm socket
- 3/8 inch drive ratchet
Parts and supplies
- Serpentine belt
Steps
- Disconnect the battery
Note the routing diagram, then disconnect the negative terminal with a 10mm wrench.
- Move the intake tube aside
Remove the throttle body cover's Phillips screws and 7mm bolt, remove the engine cover, then loosen the intake tube's two hose clamps and pry it off.
- Remove the old belt
Fit a 3/8 inch drive ratchet into the tensioner, turn it clockwise to slacken the belt, then slip it off the alternator and release the tensioner.
- Install the new belt
Loop it around the crank, water pump, A/C and power steering pulleys, work it under the idler pulley, bring it around the tensioner, then use the 3/8 inch ratchet to pull it over the idler pulley and check every pulley before releasing.
- Reinstall the intake tube and covers
Fit the intake tube to the throttle body and air box, tighten its clamps, refit the engine cover, then tighten the throttle body cover's screws and bolt.
- Reconnect the battery
Reconnect the negative terminal.
Check your vehicle’s repair manual for exact specifications and fit.