DIY alernator repairs

I've done plenty of these. Rebuild the entire thing.

The bearings are common issue and available at any parts store. MNJ471S and

Throw out all the electrical parts inside. New brushes, rectifier, diodes, voltage regulator, radio capacitor should be installed. Polish the slip rings. The bearings need to be pressed out.

Get a GM shop manual---it tells you soup to nuts how to do the job. It's very easy when you have the data. Joe--ASE Certified Parts Specialist & 10th Ann.Club Tech Director '80 Carousel Red Turbo T/A, 26k orig. '79 "Y89" 400/4 speed 10th Ann. T/A, 57k orig '84 Olds 88 Royale Bgm 2 dr, 307 "Rocket" (lol), 141k and still going.... '80 T/A project car...

I just had to get one for my daughter's 77 Firebird, I got a rebuilt for $35.00. You don't have the quality control you have when you do it yourself, but for the money and almost no time it's hard to beat.

Kerry

Ummm, a lot of rebuilts are "spray and pray". Spray painted components, a few possibly changed, and prayers that the rest work! LOL.

I'll take the time and do my own. I have gotten a couple of spare cores that fit the car and I always have one ready to go! Joe--ASE Certified Parts Specialist & 10th Ann.Club Tech Director '80 Carousel Red Turbo T/A, 27k orig. '79 "Y89" 400/4 speed 10th Ann. T/A, 57k orig '84 Olds 88 Royale Bgm 2 dr, 307 "Rocket" (lol), 143k and still going.... '91 S10 Blazer 4.3Z

When you do then yourself:

You create your own destiny!

factory rebuilds are if this diode is good, we'll just reuse it. Unless it's a Ford unit, then you have to buy that funny looking crab like claw, and all the diodes so;soldered on it.

But I can rebuild the early 64 1/2 all the way to the new type, and I never have to remove one when I install it, like I do when I use a store bought.

Refinish King