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Registered User
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Voltage Regulator
Do I have to remove the alternator to change the voltage regulator.
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1978 924 The Grey Ghost - 18,000 miles and counting 1987 944 Black Betty - Bringing back from years of abuse |
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03-19-2013, 03:24 PM
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Registered User
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Nope.
Two flathead screws on the back of the alternator You need to pull your air box off to make it easier. |
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03-19-2013, 03:32 PM
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Registered User
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So I just go in from the top, remove the old one after I remove the air box and install the new one. I don,t have to go under the car at all.
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1978 924 The Grey Ghost - 18,000 miles and counting 1987 944 Black Betty - Bringing back from years of abuse |
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03-19-2013, 04:24 PM
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Registered User
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Not one bit. Its built into the alternator.
Pull it out. Make sure which way its in there. I recently took mine out yesterday. Lol Cleaned yhe contacts/etc |
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03-19-2013, 05:46 PM
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Proprietoristicly Refined
Join Date: Jul 2001
Location: ~Carefree Highway~
Posts: 5,833
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If you are putting a new VR in a very old alternator, the slip ring will eat the new VR carbon contacts.
This is what an old alternator slip ring looks like.  This is a new Bosch slip ring:  If you think the alternator is OK you can take it apart and put it on a lathe or at least file as best you can to get rid of the ridges that will eat the new VR contacts. GL J_AZ
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1988 924S, 85,750K ..+ 1987 924S, 154K DD (+15K est. bad odo) |
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03-19-2013, 05:51 PM
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Registered User
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Eh. If your alternator is putting out 13.5v your regulator should be fine
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03-19-2013, 05:54 PM
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