Alternator rebuild
02-11-2007, 11:07 PM
#1
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Alternator rebuild
So, my alternator was feeling a little gritty spinning it by hand, so I decided to tear into it. I'm please to announce it seems quite cheap to rebuild -- $9 for bearings and $20 for a voltage regulator with new brushes!
I took a few pics... I'll try to post them later.
I took a few pics... I'll try to post them later.
02-11-2007, 11:17 PM
#2
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Don't forget to clean up the contacts on the armature. Forgetting this could lead to an early failure. Otherwise, welcome to the wonderful world of rebuilds. No reason to pay extra for what you can do for yourself. 
02-11-2007, 11:26 PM
#3
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Originally Posted by Dave951M
Don't forget to clean up the contacts on the armature. Forgetting this could lead to an early failure. Otherwise, welcome to the wonderful world of rebuilds. No reason to pay extra for what you can do for yourself.
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02-12-2007, 02:44 PM
#8
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Regulator is pretty common and should be availible through several parts stores. The bearings, however, seem to be harder to find.
I'd appreciate part numbers/maufacturer as well as my alt needs to be freshened up.
I'd appreciate part numbers/maufacturer as well as my alt needs to be freshened up.
02-12-2007, 07:47 PM
#9
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Thread Starter
Pictures as promised -- and more details.
Step 1: dissasemble alternator
Step 2: replace bearings
Step 3: assemble in reverse order
Just kidding... The pictures explain a lot of the dissassembly, and I found my little slide hammer came in quite handy -- both to pull off the front retainer waster (which has a step on the back side, so it'll have to go back on correctly) and to remove the rear bearing.
The front bearing was a bit harder to remove, I was able to just budge it by tapping with a hammer and a large screw driver -- then I remembered a puller I once bought for a pitman arm on a steering box. That did the job as nice as could be!
Ah, but even before getting that far (don't you like directions out of order?) I had to separate the two case halves of the alternator. That was easy, but because the "electronics plate" is wired to the back, there is a very limited range of motion. But I was able to kind of tilt it back and away just enough to unscrew the 5 or 6 screws that hold it to the back housing.
And even before I got to that step, I had to take off the voltage regulator and the plastic insulator under the terminals... Of course I had to take the front pully off, too.
So, now that I'm at the begining of the project, let me give you links -- I found this guy on ebay (I have no affiliation with him, and his products might be junk for all I know, but they're cheap, and he got them in the mail in less than 24 hours): http://stores.ebay.com/PACIFIC-NORTH-WEST-BEARING The two bearings were $5-something plus $4 shipping.
The voltage regulator I ordered from Auto Parts Warehouse (I have no affiliation with them either, but have placed many orders from them in the past and had good experiences -- plus shipping is free over $50): http://replacement.autopartswarehous...lator&dp=false
I'll take pictures when I go to put it together and let you know how it goes.
Step 1: dissasemble alternator
Step 2: replace bearings
Step 3: assemble in reverse order
Just kidding... The pictures explain a lot of the dissassembly, and I found my little slide hammer came in quite handy -- both to pull off the front retainer waster (which has a step on the back side, so it'll have to go back on correctly) and to remove the rear bearing.
The front bearing was a bit harder to remove, I was able to just budge it by tapping with a hammer and a large screw driver -- then I remembered a puller I once bought for a pitman arm on a steering box. That did the job as nice as could be!
Ah, but even before getting that far (don't you like directions out of order?) I had to separate the two case halves of the alternator. That was easy, but because the "electronics plate" is wired to the back, there is a very limited range of motion. But I was able to kind of tilt it back and away just enough to unscrew the 5 or 6 screws that hold it to the back housing.
And even before I got to that step, I had to take off the voltage regulator and the plastic insulator under the terminals... Of course I had to take the front pully off, too.
So, now that I'm at the begining of the project, let me give you links -- I found this guy on ebay (I have no affiliation with him, and his products might be junk for all I know, but they're cheap, and he got them in the mail in less than 24 hours): http://stores.ebay.com/PACIFIC-NORTH-WEST-BEARING The two bearings were $5-something plus $4 shipping.
The voltage regulator I ordered from Auto Parts Warehouse (I have no affiliation with them either, but have placed many orders from them in the past and had good experiences -- plus shipping is free over $50): http://replacement.autopartswarehous...lator&dp=false
I'll take pictures when I go to put it together and let you know how it goes.
02-16-2007, 08:49 AM
#14
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Thread Starter
The bearings showed up yeasterday. They're made in Turkey... They seem to turn, though. 
I didn't know that Turkey is the new precision manufacturing center of the world... Hey, what should I expect, the bearings were $5 for both!
Anyhow, I should be putting it all together this weenend. I'll take more pics!
I also have to get my elephant racing rear solid bushings in!
I didn't know that Turkey is the new precision manufacturing center of the world... Hey, what should I expect, the bearings were $5 for both!Anyhow, I should be putting it all together this weenend. I'll take more pics!
I also have to get my elephant racing rear solid bushings in!
