hey just wanted to say thanks for posting this.i have a 98 3.8v6 and it's pretty much same setup and after I watched this I realized how easy this was and decided to dig with great success.saved me some $. thanks again!
People on an 01 v6 you have to use an 18 mm socket, put it on the tension pulley bolt and use a pipe or breaker bar on the end, then push it counter clockwise to release tension on the belt. This video was very helpful on changing the alternator, but very confusing on that part.
Yeah, its hard to get a camera down there for a good view. There is a 3/8 square hole in the casting, but you can use the ratchet as well. anyway, good luck with it !
+lastmoto777 Yea I'm not dissing your video at all. Just adding information for people in my situation of confusion. Very helpful video, and I subscribed because of how it helped me be able to change my alternator!
Id like ta say thanks a lot my man, ta you and all other grease monkeys out there for you assistance. Before I venture out on any project, regardless of its difficulty level, I like ta see how experienced greasers get it done. Thanks again for uploading
great video mate im having the same problem with my 2002 stang both the alternator and the battery died on me but after watching i know i can change it myself without having to take my car to a mechanic and pay the crazy labor fees
Thanks for posting this vid. It was exactly what I needed to help replace my alternator. I especially appreciated your comments on how to unplug the electrical connection plug with a small flathead screwdriver to push the tab out. I also used your tip to get a pry bar to help ease out the old Alternator. Installation was just like the rest of your vid. Awesome!
I had to replace my alternator on my 02 V6 also. So I needed to release the tension on the serpentine belt. So I searched all over, specifically using the term "2002 V6 Mustang" and I kept finding people saying to stick the square end of a ratchet, into the base of the belt tension bracket. The problem was, nobody could agree as to what size ratchet. Most would say a 3/8", but I also found some saying to use a 1/2", and even others said use 1/4" ratchet. The truth is, all these people must be referring to a GT V8. I assume (by majority) in that instance, a 3/8" would be the correct wrench, but in the V6, it is totally different. That hole, in the center of the tensioner bracket base, in a 02 V6, is actually a 5/16" HEX. I was able to perfectly fit a 5/16" allen key into it, but you CANNOT use it to release the tension on the belt. IT WILL NOT WORK on an 02 V6.
Instead of using a 3/8 or 1/2 inch drive to release the tension, there is a tension bolt there which is much easier to get that belt off. Video is very helpful though, just changed my alternator yesterday thanks to this vid. But I ended up chipping that slot for the drive and ended up finding that tension bolt.
I wish I would've read your comment earlier. I did the EXACT same thing and chipped out some of the metal in the tensioner arm. Using the "bolt" to release tension is around 9 to 10 times easier.
FourTwentyKings at 0:36 it is that large bolt at the bottom and again, around 0:40 bottom right to wear he starts to zoom in on the spot where you actually want to avoid using.
We just did a 3.9 2004 Mustang and the only way we could loosen the tensioner was to use a bottle jack. We put a 9/16 socket on the bolt on the belt wheel and then put a wrench under that down to the jack. The wrench was solid under the socket and sat on the top of the jack well. We used a wrench but a flat bar would work too.
Awesome video, straight to the point with a good visual! i may have a bad alternator myself... I had my power steering and rib belt replace and its whining worse than before, i think i've located the noise to the alternator, also the power steering is making noise.. could it be caused by the bad alternator? also does the alternator make a whine like power steering when going out?
Really clear and concise video, just what I needed. What size are those 2 large bolts? Just want to make sure I have the proper Wrench/Socket to complete this quickly. Thanks! EDIT: NVM I found correct info on the large bolts....Just in case someone else would like to know: Top Bolt=13mm-Bottom Bolt=15mm.
TO LOOSEN THE BELT--> The thing he zooms in on at 00:36 didn't work for me. I used an 18 inch socket for the V6 2001 Mustang on the black thing just under the hole he zooms up on. Put it on the lower bolt thing, turn it COUNTER Clockwise (left loose). You should see it move like a yoyo upwards to release the tension. Hope that helps. I'm not a professional, so please excuse my jargon!
Yeah theres a couple of ways to loosen the tensioner arm. You can also put a socket on the bolt that holds the pulley to the tensioner arm and turn it counterclockwise to relieve tension. Just be careful to not loosen the bolt by accident when releasing tension from the arm.
What size were the bolts? This is why I watched, from the comfort of my barka lounger so I would know which wrench to get ahead of the replacement Otherwise a good instructional video
Any one experience two different part numbers of alternators for this car? OEM alternators appear to be the only ones that work, after market alternators could have a different wiring set up. Something is going on that a new after market alternator is charging is charging 18 volts +.
My son's wiring has melted on his alternator. His is a 2000 v6. Having trouble finding what the wiring is called that connects to the alternator to fuse box and battery. Help please!
Its part of the wiring harness . You can follow the damaged wires and just replace them. You will have to cut some of the wrap on your harness. You can also cut off the damaged portion of the wire and splice a new piece of wire on with appropriate connector and splice connector. If it is something you can remove take it to a dealer if you want new or a salvage yard ( much cheaper) if you can find one available. Sorry I couldn't be of more help. Best of luck with it
i have a question. does the 99 v6 have the same bolts for the alternator as the 04 cause i know it has 1 nore plug on my 99 next to the first one you pulled off the alternator...
I am not sure about yours because all of the mustangs 3.8L, 3.9L & 5.0L all use the same alternator that I have. You must have a different alternator. I would take a picture of the plugs with your phone before buying one so that you will be sure to have the correct replacement. The procedure to replace it will be the same ,There will just be one more plug to deal with. Good luck with that.
Was it new or reman? Unfortunately all the new ones i found on that site were 105 amps. The reman was 130 though idk how reliable it would be and only a 2 year warranty
my car been not cracking up lately, today I try to get a jump, the alternator started to smoke. I finally got it to crank up I started to drive but once I got at a red light it cut off, Is it an alternator I need? and I never worked on a car before but should I try putting on the Alternator myself, I have the same car.
If you take it off you can take it to like a autozone , pep boys, advance auto parts, or any big car parts store and they can test it for you. They do it for free. Its probably bad if it was smoking. But have it tested first because alternators are expensive. You dont want to replace it unless you know for sure its bad. You might as well get your battery tested while your at it in case it has a short. Anyway good luck with it.
Thanks most was helpful but on my 2000 ford mustang your method of loosening the belt failed, you need to find the right wrench for the pulley and pull up on the pulley, turning that hole will just result in a blown out back.
I have never broken one of these castings, but I know it does happen sometimes. Yeah theres a couple of other ways to loosen the tensioner arm. You can put a socket or wrench on the bolt that holds the pulley to the tensioner arm and turn it counterclockwise to relieve tension. Just be careful to not loosen the bolt by accident when releasing tension from the arm. anyway glad you got it.
+lastmoto777 yeah im not much of a car person but this video made me able to save 200 on labor by giving me the confidence i could do it, just found that putting an 18 mm on the bolt on the tensioner and merely pulling up got the belt off, no matter how i tried the 3/8 drive in the square nothing moved and the belt stayed tight.
Great! ... Glad it all worked out for you. My favorite part of the whole thing is saving $200 and not having my car tied up for a couple of days at the shop!
will this alternator fit a v6 3.8 1995 ford mustang as well and is it the same deal with removing the unit i can't seem to find a video for that yr of car here on youtube.
It should be the same. With any car you just need to untension your tensioner pulley , remove belt , remove wires , and remove the alternator. Good luck with that.
Little do you know you don’t even need the 3/8th drive , actually if it’s old enough it will actually break, all you need is an 18mm wrench on the pulley and pull it up that’s it, I wasted so much time doing it his way because that whole he shows you broke on me.
+DCprogaming not how this video shows you look below the hole he says to put your 3/8 drive in and get the right size wrench pull up and the belt will pull right off, his instructions are a recipe for a hernia.
+izbo10 yeah lol his instructions on that part suck. my buddy who has a 98 told me to do it that way and that works better. you pull up on the tensioner by slipping a 19mm on the bolt on the pulley and pull up on that...
+DCprogaming yeah i have a 2000 mustang and my alternator went on wednesday so i tried following this video to get it done, i eventually had a friend come over who knows more and he showed me the 19mm way. My back and legs are sore today from fighting that unmovable steel that drive in that hole was trying to move.
+izbo10 lol yeah it'll last for almost a week pal trust me. damn near threw out my back trying to do it the way this guy showed us.. yeah it doesn't move by the square hole.
Linda you can just use the bolt that's attached to the pulley on that arm. Use a socket or wrench or whatever you can fit in there. That will work just as well. Best of luck with it.
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Just gave me the confidence to do it myself! Thank you so much!
Great tutorial...exactly what I needed and not a second of wasted time. The tensioner piece I never would have figured out.
Thanks, Glad it helped.
hey just wanted to say thanks for posting this.i have a 98 3.8v6 and it's pretty much same setup and after I watched this I realized how easy this was and decided to dig with great success.saved me some $. thanks again!
Great. Glad the video helped..... Save money and not have your car tied up for half the week!
Jesse Cole for Mustang 95
Not mechanically inclined at all but your video helped make it a quick and easy fix! Much appreciated!
People on an 01 v6 you have to use an 18 mm socket, put it on the tension pulley bolt and use a pipe or breaker bar on the end, then push it counter clockwise to release tension on the belt. This video was very helpful on changing the alternator, but very confusing on that part.
Yeah, its hard to get a camera down there for a good view. There is a 3/8 square hole in the casting, but you can use the ratchet as well. anyway, good luck with it !
+lastmoto777 Yea I'm not dissing your video at all. Just adding information for people in my situation of confusion. Very helpful video, and I subscribed because of how it helped me be able to change my alternator!
Jesus thank you for clarifying this I was stripping that stupid little square out with no results there for a while
mrgarner16 Thank you!
Daniel Alegria me too
Believe it or not, the wire plug was giving me trouble. Thank you for the close up of how you got that off.
Id like ta say thanks a lot my man, ta you and all other grease monkeys out there for you assistance. Before I venture out on any project, regardless of its difficulty level, I like ta see how experienced greasers get it done. Thanks again for uploading
Wanted to leave a comment, this video was informative and to the point, thank you for taking the time to put this up. =)
Thank you. Glad the video was helpful.
Thank you for putting the close ups on where to put the tools. I been trying to take the serpentine belt and I thought it was the bolt
You actually can use either method and it will work, but that is actually what that square hole is there for. Thanks for watching.
Good job, thanks for being so thorough with the details.
Fantastic video. Instructional and straight to the point. Look forward to more of these.
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This dude is the Bob Ross of car repair.
great video mate im having the same problem with my 2002 stang both the alternator and the battery died on me but after watching i know i can change it myself without having to take my car to a mechanic and pay the crazy labor fees
Thanks for posting this vid. It was exactly what I needed to help replace my alternator. I especially appreciated your comments on how to unplug the electrical connection plug with a small flathead screwdriver to push the tab out. I also used your tip to get a pry bar to help ease out the old Alternator. Installation was just like the rest of your vid. Awesome!
what size are the bolts so i can buy correct tools
The top bolt is a 13mm,
the bottom is..... 15mm
and the electrical one is 10mm
I hope this helps.
Thanks! Your video saved me probably a few hundred. Wish you lived by me id buy you a few beers.
I had to replace my alternator on my 02 V6 also. So I needed to release the tension on the serpentine belt. So I searched all over, specifically using the term "2002 V6 Mustang" and I kept finding people saying to stick the square end of a ratchet, into the base of the belt tension bracket. The problem was, nobody could agree as to what size ratchet. Most would say a 3/8", but I also found some saying to use a 1/2", and even others said use 1/4" ratchet. The truth is, all these people must be referring to a GT V8. I assume (by majority) in that instance, a 3/8" would be the correct wrench, but in the V6, it is totally different. That hole, in the center of the tensioner bracket base, in a 02 V6, is actually a 5/16" HEX. I was able to perfectly fit a 5/16" allen key into it, but you CANNOT use it to release the tension on the belt. IT WILL NOT WORK on an 02 V6.
Thanks for this info I'm doing mine and was about to start an all new search cause 3/8 doesn't work
mrgarner16 How did you get yours?? I’m having the same issue none of those fit my 01 V6 and I need to get this alternator on
Yo Bro. ! Thank you for sharing with us your skills.. it's very much appreciated. Hope you have a nice day, God Bless you!
Damn, you don’t see focus like this often, cleannnnn. 😮
Unbelievably easy. I used to have a Mitsubishi and they buried the alternator at the bottom of the engine bay so you would have to jack the car up.
Great video straight to the point just what I needed.
Thanks Olivia, Glad it helped.
Instead of using a 3/8 or 1/2 inch drive to release the tension, there is a tension bolt there which is much easier to get that belt off. Video is very helpful though, just changed my alternator yesterday thanks to this vid. But I ended up chipping that slot for the drive and ended up finding that tension bolt.
I wish I would've read your comment earlier. I did the EXACT same thing and chipped out some of the metal in the tensioner arm. Using the "bolt" to release tension is around 9 to 10 times easier.
RobThunder42 where is the tension bolt at?
FourTwentyKings at 0:36 it is that large bolt at the bottom and again, around 0:40 bottom right to wear he starts to zoom in on the spot where you actually want to avoid using.
RobThunder42 ok thanks for the help about to change out my alternator.Hope it works out haha
I wouldn't hurt to place a pipe over your ratchet to gain extra leverage like the gentleman in the video.
For me, the “square” part to take the belt off was actually a 18mm bolt I had to pull to loosen the belt up
good camera set up, well made video very helpful :)
We just did a 3.9 2004 Mustang and the only way we could loosen the tensioner was to use a bottle jack. We put a 9/16 socket on the bolt on the belt wheel and then put a wrench under that down to the jack. The wrench was solid under the socket and sat on the top of the jack well. We used a wrench but a flat bar would work too.
For clarification, we had to use the wrench so we wouldn't have to disconnect the fluid line (the bottle jack was too fat).
Great video just replaced mine thanks to your instructions
Awesome video, straight to the point with a good visual! i may have a bad alternator myself... I had my power steering and rib belt replace and its whining worse than before, i think i've located the noise to the alternator, also the power steering is making noise.. could it be caused by the bad alternator? also does the alternator make a whine like power steering when going out?
power steering pump whine is very common on this gen mustang. sorry for taking 4 years to reply
great job thanks for the video.
PERFECT, SIMPLE, GREAT!!
Really clear and concise video, just what I needed. What size are those 2 large bolts? Just want to make sure I have the proper Wrench/Socket to complete this quickly. Thanks! EDIT: NVM I found correct info on the large bolts....Just in case someone else would like to know: Top Bolt=13mm-Bottom Bolt=15mm.
What size socket did you use for the bolts. I might have missed it if you said it
some pretty bad ass music at the end.
collin711311 this is good music
damn this mustangs are so damn easy to work with!
youre the man!
thank you! :)
Thanks, Glad it helped.
Thanks man I appreciate it! 👍🏿
You are welcome. Glad the video was helpful.
lastmoto777 It truly was.
I cannot find the square rounded hold that you used to loosen the tension on the belt
TO LOOSEN THE BELT--> The thing he zooms in on at 00:36 didn't work for me. I used an 18 inch socket for the V6 2001 Mustang on the black thing just under the hole he zooms up on.
Put it on the lower bolt thing, turn it COUNTER Clockwise (left loose). You should see it move like a yoyo upwards to release the tension.
Hope that helps. I'm not a professional, so please excuse my jargon!
Yeah theres a couple of ways to loosen the tensioner arm.
You can also put a socket on the bolt that holds the pulley to the tensioner arm and turn it counterclockwise to relieve tension.
Just be careful to not loosen the bolt by accident when releasing tension from the arm.
you the man
What size were the bolts? This is why I watched, from the comfort of my barka lounger so I would know which wrench to get ahead of the replacement
Otherwise a good instructional video
What are the wires called? Mine are bad and im trying to look for them online.
thanks for your video! have a great day! :)
Glad the video helped. & have a great day too. :0)
Any one experience two different part numbers of alternators for this car? OEM alternators appear to be the only ones that work, after market alternators could have a different wiring set up. Something is going on that a new after market alternator is charging is charging 18 volts +.
6:19 Looks like your missing a bolt on the bottom of the bracket for the PS pump/alt/tensioner bracket.
My son's wiring has melted on his alternator. His is a 2000 v6. Having trouble finding what the wiring is called that connects to the alternator to fuse box and battery. Help please!
Its part of the wiring harness . You can follow the damaged wires and just replace them. You will have to cut some of the wrap on your harness. You can also cut off the damaged portion of the wire and splice a new piece of wire on with appropriate connector and splice connector. If it is something you can remove take it to a dealer if you want new or a salvage yard ( much cheaper) if you can find one available. Sorry I couldn't be of more help. Best of luck with it
i have a question. does the 99 v6 have the same bolts for the alternator as the 04 cause i know it has 1 nore plug on my 99 next to the first one you pulled off the alternator...
I am not sure about yours because all of the mustangs 3.8L, 3.9L & 5.0L all use the same alternator that I have. You must have a different alternator. I would take a picture of the plugs with your phone before buying one so that you will be sure to have the correct replacement. The procedure to replace it will be the same ,There will just be one more plug to deal with. Good luck with that.
What was the amp on the new alternator you installed and how much? Great video btw!
I USE ROCKAUTO.COM AND THE STOCK ALT. WAS 105 AMPS AND i REPALCED IT WITH 130 AMPS. IT COST ABOUT $135.00 . THE PRICES RANGE FROM $99 - $200.
Was it new or reman? Unfortunately all the new ones i found on that site were 105 amps. The reman was 130 though idk how reliable it would be and only a 2 year warranty
I don,t remember sorry about that.
lastmoto777 haha i got one already, got a 130amp performance alt
Great ! I like having more available power than I need.
awesome vid
What were the tools required for the removal of the alternator?
Looks just like the 1994 Mustang, under the hood.
Chann Groves almost but not really too close
my car been not cracking up lately, today I try to get a jump, the alternator started to smoke. I finally got it to crank up I started to drive but once I got at a red light it cut off, Is it an alternator I need? and I never worked on a car before but should I try putting on the Alternator myself, I have the same car.
If you take it off you can take it to like a autozone , pep boys, advance auto parts, or any big car parts store and they can test it for you. They do it for free. Its probably bad if it was smoking. But have it tested first because alternators are expensive. You dont want to replace it unless you know for sure its bad. You might as well get your battery tested while your at it in case it has a short. Anyway good luck with it.
Thanks a lot, we might just have to get an battery and that.
I noticed you didn't do anything tot tighten the belt back when you were finished. Do I just tighten it back up the same way ?
It has a tensioner pulley so after you get the belt back on she is good to go ! It will tighten itself.
good luck with it.
Thank you really help
hey i was wondering can you put a 1999 alternator on a 98?????
Thanks most was helpful but on my 2000 ford mustang your method of loosening the belt failed, you need to find the right wrench for the pulley and pull up on the pulley, turning that hole will just result in a blown out back.
I have never broken one of these castings, but I know it does happen sometimes. Yeah theres a couple of other ways to loosen the tensioner arm. You can put a socket or wrench on the bolt that holds the pulley to the tensioner arm and turn it counterclockwise to relieve tension.
Just be careful to not loosen the bolt by accident when releasing tension from the arm. anyway glad you got it.
+lastmoto777 yeah im not much of a car person but this video made me able to save 200 on labor by giving me the confidence i could do it, just found that putting an 18 mm on the bolt on the tensioner and merely pulling up got the belt off, no matter how i tried the 3/8 drive in the square nothing moved and the belt stayed tight.
Great! ... Glad it all worked out for you. My favorite part of the whole thing is saving $200 and not having my car tied up for a couple of days at the shop!
will this alternator fit a v6 3.8 1995 ford mustang as well and is it the same deal with removing the unit i can't seem to find a video for that yr of car here on youtube.
It should be the same. With any car you just need to untension your tensioner pulley , remove belt , remove wires , and remove the alternator. Good luck with that.
Will this work for 1999 Ford Mustang 4.6 (same steps)?
Yes the procedure is the same. The 4.6 v8 is a larger engine so it will be a little tighter, but the method is the same. I hope this helps.
THANK YOU!
Thanks guy
Little do you know you don’t even need the 3/8th drive , actually if it’s old enough it will actually break, all you need is an 18mm wrench on the pulley and pull it up that’s it, I wasted so much time doing it his way because that whole he shows you broke on me.
i just switched my dun deer got damn sum bitch altnader and it made my car go fast uhgain
Gooood. Drive saffe now dat shes flyinn uhgin !!!
One question how can i know if the alternator is bad?
You can have it checked for free at any auto parts store.Advanced, PepBoys, NAPA, AutoZone, etc. Good luck with that.
sir.. my little "squared hole" .. is broken! :/ i guess there isn't anything i can do
Use vise grips or large screw driver
Does this go for the 07 edition to???
ItsFreakoBaby Yeah. The 07 has a different motor , but this procedure is pretty much the same for all alternators. Good luck with that !
how do I release the tension??
+DCprogaming not how this video shows you look below the hole he says to put your 3/8 drive in and get the right size wrench pull up and the belt will pull right off, his instructions are a recipe for a hernia.
+izbo10 yeah lol his instructions on that part suck. my buddy who has a 98 told me to do it that way and that works better. you pull up on the tensioner by slipping a 19mm on the bolt on the pulley and pull up on that...
+DCprogaming yeah i have a 2000 mustang and my alternator went on wednesday so i tried following this video to get it done, i eventually had a friend come over who knows more and he showed me the 19mm way. My back and legs are sore today from fighting that unmovable steel that drive in that hole was trying to move.
+izbo10 lol yeah it'll last for almost a week pal trust me. damn near threw out my back trying to do it the way this guy showed us.. yeah it doesn't move by the square hole.
Oops square rounded hole
Linda you can just use the bolt that's attached to the pulley on that arm. Use a socket or wrench or whatever you can fit in there. That will work just as well. Best of luck with it.
lol well I just F'ed up my 3/8th belt untenstioner thinger.Ford and its die cast shit.
bought the wrong alternator for my 2000 ford mustang..
What size are the bolts ?