How to Replace Alternator 06-10 4.6L V8 Ford Explorer
Difficulty: Advanced · About 75 min · Ford Explorer
Replace the alternator, including removing the throttle body, on a 2006-2010 Ford Explorer with the 4.6L V8.
Tools you will need
- Ratchet
- Socket extensions
- Flat blade screwdriver
- 13mm socket
- 8mm socket
- 10mm socket
- Torque wrench
- 1/4 inch drive ratchet
- Trim tool set
Parts and supplies
- Alternator
Steps
- Disconnect the battery
Loosen the negative cable clamp with a 13mm socket, disconnect it, and set it aside.
- Move the air intake aside
Loosen the intake hose clamp, disconnect the breather lines, loosen the throttle body hose clamp, then pull the intake hose up and off.
- Release the serpentine belt
Fit a 1/4 inch drive ratchet into the tensioner, turn it clockwise, then work the belt off each pulley in turn and pull it clear of the engine bay.
- Remove the throttle body
Disconnect the throttle position and stepper motor connectors, remove its four 8mm bolts, then pull it off the intake manifold.
- Remove the old alternator
Pry its wiring harness retainers loose, remove the bracket's two 8mm and two 10mm bolts and take the bracket off, remove the two 13mm nuts at the bottom, pull the alternator forward, disconnect its connector and power stud nut, then lift it out.
- Install the new alternator
Lower it in, reconnect the power stud and electrical connector, line it up on its studs, refit the bracket and its bolts, then fasten the two 13mm nuts.
- Reinstall the throttle body and belt
Seat the gasket, bolt the throttle body back on and torque its bolts to about 89 inch-pounds, reconnect its sensors, then use the 1/4 inch ratchet on the tensioner to route the belt back over every pulley per the diagram.
- Reinstall the intake and battery
Refit the intake hose and tighten its clamps, reconnect the breather lines, then reconnect the negative battery cable and tighten its clamp.
Check your vehicle’s repair manual for exact specifications and fit.