[Vwdiesel] cold start function

[Roger Brown]

paulr wrote:
> I wonder whether the permanent magnets in the gear reduction
> starters weaken with age, and lose power (crank more slowly)???
> 
> Cooments?
> 
> Paul

I found with mine, it was the brushes in the motor wearing down that cut the cranking speed.
I still have to rebuild that one starter with some new brushes to use as a spare.
Only way the magnets could be weakened is if they were raised above their Curie temperature,
assuming that is a ferrite magnet in there, you are looking at 860F(460C), which is pretty toasty!

-- 
    Roger