This is quite timely- my dash developed a subtle flicker this summer across the rev counter- thought I was seeing things.

Going to do this replacement this winter.

thanks for the information!

darcy

 

If I'd do this, might as well do bearings, brushes and other things, since you're already in there.

How many bearings and what kind/size exactly?
I assume NSK, SKF or Nachi bearings would be best (like pulley and other bearings).

Would be nice if someone could make a complete list of all the parts needed to buy (kinda like a clutch replacement list).

 

Here are the rectifier and brush holder I bought several years ago. Still working well.

https://www.ebay.com/itm/272184678390

https://www.ebay.com/itm/271677596269

 

The bearings wouldn't be easy to replace. They're pressed into a cavity, no way to get behind to press out. So specialist tools required, as well as press.

The common repair is rectifier for the fix and brushes because in there.

 

Should the regulator (the part with fins/heatsink) be replaced too?

If yes, any links?

 

Often regulators are sold with the brush.

 

I'd only replace regulator with an oem one, or a very trusted source. I'm guessing Honda doesn't sell regulator independently. Probably sell entire alternator only.

A rectifier is electronically super simple and easy to make as reliable as stock. A regulator is more complicated, and I'd bet an old oem one would outlast most new aftermarket ones.

I'd just do rectifier and brushes. Leave bearings and regulator as is. Haven't heard of any failures of either of those components.

 

Honda does sell the regulator. It's like $250 shipped.

 

I've had luck with the aftermarket one. Keep in mind Honda has suppliers for most of the parts that went into your car and a lot of the aftermarket is actually the oem part. IE the wheel bearings are half as much if you source them directly instead of through Honda

 

IMO, replacing the bearings and/or regulator without any symptoms is unnecessary. I replaced my brushes at 330,000 miles and haven't had any problems since. My rectifier is original and I've never had any problems with it.

BTW: i did a clutch job at 330,000 miles and had to pull the alternator out. I took it apart and found the brushes to be almost completely worn. I highly recommend replacing your brushes by 300,000 miles if you haven't had it done sooner.