Doug ;
The Bosch starters rarely need more than a new solenoid (nearly always this part) and new brushes and a good cleaning and greasing before re - assembly .
I almost never turn the commutator as that makes it work slower &hotter .
Just clean the commutator bars until they're shiny copper colored again and you should be good to go , unless of course the commutator as severe run out .
GM starters always need new solenoid contacts (or an hour of careful polishing) along with end bushings & brushes , the Germans , OTOH , like servicing & repairing things so they're *MUCH* better designed and built .
-Nate
In La-La Land where Diesel fuel has topped $5 in a few stations
Doug wrote:
>
> Outstanding posts, thanks guys, BTW, does anyone know if there is a parts supplier who sells a starter overhaul kit,, or do we have to buy it a piece at a time ??
> I have a spare starter for my '81 300d, that I need to put up in top shape for the up coming trip to Florida, an my current starter is 30+years old, the original for sure.
> The lil old lady, original owner used it for short trips around South Cal. especially the San Diego area, thus it no doubt has lots of cycles against its life.
>
> I used to buy kits for my GM cars an trucks for less than $10,, an kept my original starters forever, sometimes 20 years, without a shady rebuilder getting their grimy hands on it.
> Had a small lathe for doing the armatures. Still have my starter tester, works great, looks like crap after over 50 years of use.
>
> Doug, East of Houston, Diesel fuel $3.92 an counting
>
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