[DML] Re: Alternator Issues

["David Teitelbaum" <jtrealty@xxxxxxxxxxxxx>]

Generally when you can't get the bearings to last it is because you
are overtightening the belt. You should also check that the pulleys
are in alignment with a straightedge or a string. On one car I worked
on (not a Delorean) I replaced several alternators, all rebuilts, till
I finally tried a new unit. It turned out the rebuilts never had the
bearings replaced. The rebuilder just cleaned them up and replaced
only what was actually bad but in the process he dipped them in
cleaner and removed any lubrication in the bearings. I am not saying
this is your problem, but it is something to check out. Are you
driving the "D" through any deep puddles? If you are maybe you are
washing the oil out with all that water?
David Teitelbaum
vin 10757


--- In dmcnews@xxxxxxxxxxxxxxx, "Rick Heile" <rick.heile@...> wrote:
>
> I can't believe I have this much bad luck or the vendors I am buying 
> my alternators from are selling me bad units. Here is my problem: 
> when I first got my D the bearings on the alternator were screaming, 
> so I knew I needed to replace it. Since I was putting a rather large 
> sound system in it I decided to replace it with a big capacity unit. 
> I had it installed by a Delorean mechanic so I know it was installed 
> correctly. After less than 3000 miles the bearings on this unit 
> literally blew out of the alternator.  This was after all of the 
> talk about how large of an alternator you should have in the car so 
> I replaced it with a new 110 Amp unit. This lasted less than 600 
> miles before the bearings went.
> 
> I noticed that I do not have the cone shaped pulley on the front of 
> the water pump but one that bolts on that has two pulley grooves ( I 
> am running on the inside groove.). My mechanic says that I should 
> get a standard Volvo alternator to avoid this problem. What do all 
> of you think?
> 
> Thank you,
> 
> Rick
> 3290
>









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