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Bosch alternator for xu1


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#1 dublinxu1

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Posted 16 January 2022 - 12:15 PM

Hey all,

 

I was taking the stone guard off my xu1 today and noticed what looked like drips of a sticky resin on the inside of it.

Anyway I looked for the source and found it was coming from the back of the alternator regulator.

 

Attached File  IMG_1964.jpg   73.25K   9 downloads

 

So I guess it is on its way out? Should I repair or get a new 70 Amp one?

 

This one is a Bosch 40 Amp and dated 1979 so not original to my car (2/73)

 

Attached File  IMG_1966.jpg   54.79K   9 downloads

 

Car is original but has a thermo fan fitted that draws a bit of power when turned on.

 

I would like to keep it looking original if possible

 

Ideas?

 

Cheers

Brian

 

 

 



#2 S pack

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Posted 16 January 2022 - 01:34 PM

Brian the date code on this Bosch looks like 329 which is September 1973.

post-9273-0-59770800-1642299082.jpg

 

I would have thought your 1973 XU1 would have been factory fitted with a Lucas alt with internal reg.



#3 dublinxu1

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Posted 16 January 2022 - 02:08 PM

yes you are right Dave (again) 329 Sept.73. My mistake

 

I don`t know what brand it came out of the factory with, this Bosch was on it when I brought the car.



#4 S pack

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Posted 16 January 2022 - 02:11 PM

Pretty sure by 1973 all LJ were fitted with Lucas internal reg alternators.
I reckon use what suits your purpose. I would consult with an auto sparkie or an instrument repairer about using a higher amp alt with a 30amp ammeter. Forum member VDO (Chris) should be able to offer expert advice on the subject.

Edited by S pack, 16 January 2022 - 02:15 PM.


#5 Shiney005

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Posted 22 January 2022 - 09:13 AM

I have never been able to find an answer to which alternator the L34 came with. I have seen good original cars with 3 inch pulleys fitted to both Bosch and Lucas alternators. Maybe they got both??? 

By December 1974, the Lucas seems to have been discontinued.



#6 dublinxu1

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Posted 22 January 2022 - 12:38 PM

I managed to get on to an old school auto leccy, he recommended a Bosch 55 amp for my car as it has a thermo fan on it.

 

Unfortunately no longer available new. But he has a reconditioned one I can have.

 

I have a Lucas 15AC which I will get rebuilt too so if I ever want to put back to factory it is there.

The auto leccy said parts are NLA for them but he has parts.



#7 grumpy xu1

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Posted 22 January 2022 - 01:05 PM

Would you mind sending me a pm with the sparkies details, i have friend wanting parts for his Lucas xu1 alternator to rebuild it.

#8 dublinxu1

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Posted 26 January 2022 - 12:47 PM

Would you mind sending me a pm with the sparkies details, i have friend wanting parts for his Lucas xu1 alternator to rebuild it.


PM sent mate






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