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un-reliable ,paris rhome alternator on my s2

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Old 03-21-2006, 07:53 PM
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dan davies
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Default un-reliable ,paris rhome alternator on my s2

a lot of problems with my alternator,will a bigger bosch from a s4 fit my s2?
Old 03-21-2006, 09:17 PM
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Mark Anderson
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Nope- totally different.
Old 03-21-2006, 10:04 PM
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wrecktech
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If I remember correctly a bosch from a certain year and model jetta will interchange.
Old 03-22-2006, 01:34 AM
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Flint
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Wasn't there was a Bosch version of the same year alternator? Last time I had my paris-rhone alternator rebuilt (for the 3rd time in 3 years), what I got back from my mechanic had a little sticker that said "rebuilt bosch". And so far so good.

It is definitely not an alternator from a 32 valve though.
Old 03-22-2006, 11:58 AM
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Some people use the Audi 4000 Bosch alternator. It fits but does not have a provision for the cooling duct.
Old 03-22-2006, 01:05 PM
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s2art
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If you search for alternative alternator there is a thread which goes into detail on the delco CS 130 option.
Old 03-22-2006, 01:58 PM
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If you go the Delco route just make sure you get the CS130, not the CS130D...

Also, Flint, is your cooling duct & shroud intact?
Old 03-22-2006, 07:33 PM
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Flint
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Originally Posted by SharkSkin
Also, Flint, is your cooling duct & shroud intact?
The shroud is present, but not in good shape any more. Plus I'm not too happy with the state of the duct. I have no front spoler on at the moment, so its rather exposed there. I've never confirmed which brand of alternator I had on before (Paris-Rhone, Marschal, or Bosch), but I know the current Bosch one has lasted far longer than the others.
Old 03-23-2006, 01:55 AM
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That's probably got something to do with it. The early alternator design really does a crappy job of drawing cooling air past the regulator & diodes without the shroud. You might be surprised how cheap that is to replace. (Oh, get the gasket too.) I had the Audi style alt in my car when I got it, and it had been on a slow decline... possibly heat related. I haven't had the original replacement long at all, but I've had it long enough to tell by looking at it that what everyone says must be true, this thing can't survive long without the shroud & duct.
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Old 03-23-2006, 02:32 AM
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I have a 75,000 kms Paris Rhone alternator off my car, it has a brand new regulator and was working on my car when I took it off the road to build my new motor. I currently have friends here in OZ that are from the U.K I could ask them to post it in the U.K for you. PM me if you are interested, I also have the cooling duct and it is also perfect.

Cheers Greg
Old 03-23-2006, 08:13 AM
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dan davies
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where does the cooling duct go? it was just pushed up the front wing ,maybe thats the problem
only done 600 miles from the last alternator re-build
Old 03-23-2006, 12:40 PM
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You mean up into the front fender? That's where it belongs. Even if it's not mounted quite right, as long as it's not blocked that is far better than no duct. It should mount to a bracket that attaches to the forward fender liner panel. See Tony's alternator page: http://members.rennlist.com/v1uhoh/alternat.htm



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