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| Re: Problem removing my alternator [message #253519 is a reply to message #253518] |
Sat, 28 June 2014 10:46   |
xplorid
Messages: 213
Registered: February 2012
Location: Boise
Karma: 0
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the photo did not come through for me, but if you are talking about the back side of the long mounting bolt, it is just a spacer, not really a sleeve, and does not go into the mountings at all. did this 3 times last week because of faulty rebuilds from O reillys. is the alternator loose and pivoting on the top mounting where the long bolt is, or is it secured underneath still? That big head bolt (5/8?) underneath is the hardest to see and get to.
Jeff
1974/94 GMCII by Explorer
Manny 6.5 TD Al radiator
1 ton front 4 bags back
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| Re: Problem removing my alternator [message #253520 is a reply to message #253518] |
Sat, 28 June 2014 10:49 |
Craig Lechowicz
Messages: 541
Registered: October 2006
Location: Waterford, MI
Karma: 0
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Bill,
Not sure I'll do a great job of describing this. The sleeve fits and remains in the endframe of the alternator. It is supposed to be a light press fit. But, due to being a steel sleeve inside of an aluminum endframe, the dissimilar metal corrosion tends to freeze it into place. You should be able to pry the alternator off the bracket with a big screwdriver. If you are putting the same alternator back on, you might try a lot of penetrating oil, a c-clamp and a socket to put a little more clearance in between the sleeve and the bracket. It will then move to the right place when you tighten it up.
Craig Lechowicz
'77 Kingsley, Waterford, MI
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| Re: Problem removing my alternator [message #253537 is a reply to message #253518] |
Sat, 28 June 2014 14:43 |
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Thanks for the help guys. I did find that by pushing the forward arm on the alternator downward it opened the rear arm enough that I could get a screwdriver between the bushing and the bracket and was then able to push the bushing back enough to get the alternator free.
I did find on my setup (a 403) that pushing the bushing into the bracket is not an option as there is only a small recess about 3/16" deep that will accept the bushing.
Just so anyone else finds them selves in this situation and doesn't understand, like I didn't, what they are dealing with here is a picture showing the alternator with the bushing pushed back.
http://snipurl.com/2922q6h
Bill Brown - '77 Buckeye Cruiser
Coshocton OH
carguybill@sbcglobal.net
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| Re: Problem removing my alternator [message #253561 is a reply to message #253518] |
Sat, 28 June 2014 19:15 |
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mike miller
Messages: 3576
Registered: February 2004
Location: Hillsboro, Oregon
Karma: 0
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carguy wrote on Sat, 28 June 2014 08:32I am trying to remove my alternator and there is a sleeve that is preventing me from removing it ...
... Is that sleeve supposed to be entirely inside the mounting bracket or am I missing something here?
On my '78, there is a slight notch in the mounting bracket that when the alternator is rotated to the correct spot the alternator will come off. The little sleeve on the alternator was the same on my first and a replacement alternator. Maybe it is supposed to be a little puzzle to remove?
I do not remember this issue on my '73 (it has been a few years) and haven't removed the '77's.
Mike Miller -- Hillsboro, OR -- on the Black list
(#2)`78 23' Birchaven Rear Bath -- (#3)`77 23' Birchaven Side Bath
More Sidekicks than GMC's and a late model Malibu called 'Boo'
http://m000035.blogspot.com
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| Re: Problem removing my alternator [message #253818 is a reply to message #253518] |
Mon, 30 June 2014 10:33 |
glenn2726
Messages: 234
Registered: June 2014
Location: Topeka, Kansas
Karma: 2
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Hey Bill aren't these GMCs fun to work on...lol..on a side note have you found a rubber cover for that hole in bell housing? Mine is missing on my 74 GMC as well..thanks, Glenn
Glenn W
Topeka, KS
1974 GMC 26 ft. Color:Camel Interior:Canyon Land
Side Bath, Rear Sitting Area
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| Re: Problem removing my alternator [message #253826 is a reply to message #253518] |
Mon, 30 June 2014 11:05 |
glenn2726
Messages: 234
Registered: June 2014
Location: Topeka, Kansas
Karma: 2
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Thanks, will look for one of the plates. That's just me, if it had one then it was there for a reason and I have to replace it...lol...Glenn
Glenn W
Topeka, KS
1974 GMC 26 ft. Color:Camel Interior:Canyon Land
Side Bath, Rear Sitting Area
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