These step-by-step instructions and video detail an alternator replacement on a 2012 Ford F-150, and will be similar to replacement procedures on 2006, 2007, 2008, 2009, 2010, 2011, 2013 and 2014 Ford F-150s equipped with a 5.0-liter engine. The replacement procedures will also be similar for select Ford F-150 FX2, FX4, King Ranch, Lariat, Platinum, STX, XL, and XLT models with a 5.0L engine from 2011, 2012, 2013, and 2014. Replacing a damaged or failing alternator helps you maintain a safe, functioning electrical system, and can keep your truck’s electrical accessories working and your battery charged. If you notice your truck’s headlights or dashboard lights are dim, or if your truck’s battery is not staying fully charged, you should test and replace your alternator as soon as possible to prevent stalling or a breakdown due to a loss of battery reserve charge.
Supplies Needed for This Job:
1. Safety Glasses: https://urlzs.com/hbwc
2. Gloves: https://bit.ly/2GvfwAm
3. Alternator: http://bit.ly/2IvlBgG
4. Ratchet and Socket: http://bit.ly/2IEAOOi
5. Torque Wrench: http://bit.ly/2UToD1D
0:00 Welcome Back
0:40 Access the Alternator
1:10 Remove the Belt
1:24 Remove the Tensioner
1:34 Remove the Old Alternator
2:15 Install the New Alternator
2:51 Reinstall the Tensioner
3:01 Reinstall the Belt
3:16 Reinstall Removed Items
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Your Ford F-150’s alternator charges the battery to help start your truck, and provides power to your truck’s electrical accessories while the engine is running, which includes the power windows, radio, windshield wipers, and more. When the alternator fails, your F-150’s electrical systems and engine will only stay on until the battery’s reserve charge is depleted. Your truck may die, but you might be able to restart it with a jump start or by charging the battery. If you need to replace the alternator for your 2012 Ford F-150 5.0-liter V8 , you may notice dim headlights or that your battery is not staying fully charged. Our step-by-step instructions will help you perform an alternator replacement on your Ford F-150 to keep your truck starting and running as it should.
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If you’re not completely comfortable doing this yourself, we’d be happy to recommend a professional technician in your area.
Once you’ve got your supplies together, here’s what you’ll do:
First, open your hood and remove the negative terminal from your battery… and set it aside where it won’t touch metal.
Disconnect the hoses and electrical connector, then Remove air intake tube
Remove the belt using a breaker bar and 15mm socket on the tensioner and rotating it counterclockwise… then remove the belt from the pulleys.
Remove the bolt from the drive belt tensioner… and set the tensioner aside.
To make accessing the electrical connector easier, first use your 15mm socket to remove the upper alternator bolt… then the lower alternator bolt.
Now you can remove the battery terminal from your alternator by pushing the cap aside… and using a 13mm socket and ratchet to remove the retaining nut.
Now Disconnect the electrical connector from the back of the alternator. At this point, you should be able to grasp the alternator and remove it from the engine compartment.
Today I’ll be installing an Ultima alternator.
Now, you can reconnect the electrical connector at the back of the alternator… and reinstall the battery cable and retaining nut. Torque the retaining nut to 150 inch pounds.
To install your new alternator, position it the same way the other one was removed… and reinstall the upper and lower alternator bolts. Torque both of these bolts to 35 foot pounds.
Reinstall the drive belt tensioner… and torque the bolt to 35 foot pounds.
Now you can reinstall the drive belt by looping it over every pulley according to the routing diagram, but you’ll need to leave it off the waterpump pulley for now.