Alternator Nut. Please Help!!!

flashback87

Member

May 18, 2010

345

4

19

Cleveland, OH

Oct 2, 2013

#1

• Oct 2, 2013

• #1

Hey guys,

Can someone tell me if the nut that holds the alternator pulley on is a special not. That nut fell off this evening causing the pulley to shift and shred my belt. So now my car is stranded.

Can I just go to Lowes/HomeDeport and get any nut or is it a special nut. Also, is there any kind of washer that needs to be used too?

Oh and it is a 3g alt from a Taurus.

Thanks!

 

mustang55

Member

Sep 4, 2013

9

3

14

Oct 2, 2013

#2

• Oct 2, 2013

• #2

They are just a 5/8 course thread nut 15/16 socket to install but there only about half a thick as a regular nut and yes there is a lock wash that need to be put back on to keep it from backing off again. I just put new under drive pulleys on mine tonight


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Mustang5L5

That is…until I whipped out my Bissell

Mod Dude

Feb 18, 2001

43,347

18,082

224

Massachusetts

Oct 2, 2013

#3

• Oct 2, 2013

• #3

I've put a paint dab on the nut/shaft seam and monitored that to see if it was loosening

 

flashback87

Member

May 18, 2010

345

4

19

Cleveland, OH

Oct 2, 2013

#4

• Oct 2, 2013

• #4

mustang55 said:

They are just a 5/8 course thread nut 15/16 socket to install but there only about half a thick as a regular nut and yes there is a lock wash that need to be put back on to keep it from backing off again. I just put new under drive pulleys on mine tonight


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Thanks! so can I just get a nut and lock washer from a hardware store?

Also, in regards to your under drive pulleys, I kept the Taurus pulley on originally but have an underdrive pulley I might swap now that it is off. Does your u/d pulley sit all the way against the alternator? I noticed my Taurus pulley sits off the alternator a little but when I put the u/d pulley on it sits completely on the alternator which I would think would create a lot of friction and heat.

Thanks again!

 

mustang55

Member

Sep 4, 2013

9

3

14

Oct 2, 2013

#5

• Oct 2, 2013

• #5

No it want all the way down on the shaft but wasn't touching the case


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Mustang5L5

That is…until I whipped out my Bissell

Mod Dude

Feb 18, 2001

43,347

18,082

224

Massachusetts

Oct 3, 2013

#6

• Oct 3, 2013

• #6

You can use a 5/8" ID washer as a spacer. It's pretty common for 2G alt pulleys and underdrives to sometimes hit the case. In this situation, a washer as a spacer helps

 

flashback87

Member

May 18, 2010

345

4

19

Cleveland, OH

Oct 3, 2013

#7

• Oct 3, 2013

• #7

Ok, I went to lows and tried a 5/8 nut. It would only catch one thread. Also the nut was a lot thicker. Does the 3 g alt have a different size?

Does anyone know where I can find this nut?

 

madspeed

Colonel Mustard

Founding Member

Nov 29, 1999

8,913

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204

a van down by the river

Oct 3, 2013

#8

• Oct 3, 2013

• #8

5/8 course thread, maybe 16. Which one you get?

 

flashback87

Member

May 18, 2010

345

4

19

Cleveland, OH

Oct 4, 2013

#9

• Oct 4, 2013

• #9

Well, I had a mechanic measure it for me and try some different nuts. I have a 3g alt from a Taurus and it seems to be metric, 16mm x 1.25.

 

jcgafford

10 Year Member

Jan 7, 2012

1,114

95

104

Adrian, MI

Oct 4, 2013

#10

• Oct 4, 2013

• #10

Why not hit the salvage yard for one?

 

7991LXnSHO

wanna catch the space herp

10 Year Member

Sep 1, 2010

7,387

2,745

194

Kearney, NE

Oct 4, 2013

#11

• Oct 4, 2013

• #11

Get a hardened one no matter the size. Grade one or two can strip too easily. Grade 5 or 8 are much better under the hood. These are all available from most Ace stores or Do It centers.

 

7991LXnSHO

wanna catch the space herp

10 Year Member

Sep 1, 2010

7,387

2,745

194

Kearney, NE

Oct 4, 2013

#12

• Oct 4, 2013

• #12

jcgafford said:

Why not hit the salvage yard for one?

Click to expand...

er: 181951"]Why not hit the salvage yard for one?[/quote]
Salvage yards are not a good option in a part of the country that crushes anything over 20 years old. And even worse if other is one place per big town.