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Author Topic: 2.5TD Alternator  (Read 1404 times)

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flymofred

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2.5TD Alternator
« on: 04 March 2009, 14:31:56 »
my TD will not charge above 13.85v, there is a new (ish) battery all the battery connections and earths have been removed and cleaned.
I read somewhere on this site that is is possible to change the          v. regulator by tipping the alternator over in situ, as taking it out is a major job.

Two questions:
 1. will a replacement v. regulator solve the lack of volts?

 2. is this in situ fix achievable by a bloke with moderate spanner    skills?

Thank you in advance for your comments and advice


martinH

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TheBoy

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Re: 2.5TD Alternator
« Reply #1 on: 04 March 2009, 19:40:49 »
The alternator isn't that difficult to remove if you don't have aircon...
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flymofred

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Re: 2.5TD Alternator
« Reply #2 on: 05 March 2009, 09:10:24 »
I do have air-con the car is an Elite model so anything in the parts bin was bolted on, and slowly but surely they start to have intermittent failures. So I guess air-con makes a difference to the Haynes book spanner rating?

martinH
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TheBoy

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Re: 2.5TD Alternator
« Reply #3 on: 05 March 2009, 18:14:49 »
Quote
I do have air-con the car is an Elite model so anything in the parts bin was bolted on, and slowly but surely they start to have intermittent failures. So I guess air-con makes a difference to the Haynes book spanner rating?

martinH
yup, not room to slide forward.  So no easy way of getting out.
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flymofred

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Re: 2.5TD Alternator
« Reply #4 on: 06 March 2009, 13:20:12 »
A--e!  Is this v. regulator removal dodge of undoing the alternator and rolling it over going to be loads of aggro too, and is a new v. regulator going to solve my low charge voltage. I have used the excellent idiots guide to charging that Kevin Wood wrote and 13.8v is all I get.

cheers

martinH
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TheBoy

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Re: 2.5TD Alternator
« Reply #5 on: 06 March 2009, 13:23:43 »
Quote
A--e!  Is this v. regulator removal dodge of undoing the alternator and rolling it over going to be loads of aggro too, and is a new v. regulator going to solve my low charge voltage. I have used the excellent idiots guide to charging that Kevin Wood wrote and 13.8v is all I get.

cheers

martinH
I reckon its going to be tight to do it (almost) in situ.  As to charging voltage, check its not the battery dragging it down.
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Tawfield

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Re: 2.5TD Alternator
« Reply #6 on: 06 March 2009, 15:22:42 »
Ypur alternator low output is more than probaly a failed Diode, Alt.out of engine bay Im afraid. output should be 14.5v
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