Starter Issues

Bernie Benz b.benz at
Fri Jan 6 14:36:09 EST 2006


The potential problem with your hammer test is that, dependent upon where
and how hard the starter strikes the hammer, one runs the risk of partially
demagnitizing and/or cracking the ferrite field permanent magnets.


> From: "Derek Pulvino" <dbpulvino at>
> Date: Fri, 06 Jan 2006 09:27:51 -0800
> To: 200q20v at
> Subject: Starter Issues
> Well gang, this is my final installment on this saga.  If you'll recall, at
> last report I'd had starter problems, so wound up replacing about 6-inches
> of solenoid wiring with decayed insulation and some corrosion.  This changed
> nothing.  After going out of town for a couple of days, I returned to find
> my starting issues had become intermitent, with the car not starting about
> 20% of the time.  I was then informed of the "hammer test;" aka, get a
> hammer and hit it with a starter...preferably the one in your car that's not
> working. If it starts after the beating, you've got a problem in the
> starter.
> Well, after successfully doing the "hammer test" several times, I bit the
> bullet and got a new starter from sjm.  Installed it last Tuesday and to
> date I've not had a problem with the starter.  Also noticed just how loud my
> old starter was when the new one was cranked for the first time.
> So there it is; if the starter goes intermitent remember the "hammer test."
> Maybe the person who needs a new fender can try the hammer test on the old
> fender, although I'm not sure what such a test may prove.
> derek p
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