chodecz
Member
Registered: 21st Jan 07
User status: Offline
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Hi guys,
I'm new here.  I want to upgrade the alternator on my P reg Corsa GLS 1.4i 16v (5 door, with PAS, electric front windows).
The easiest way will be to get a Vauxhall alternator, but of higher amp rating. My Hayes manual states that a Corsa B can come with a 55a, 70a or 100a alternator (depending on model), by Bosch or Delco-Remy. I presume my Corsa has either 55a or 70a, I had a look under the bonnet but can't see any markings, it doesn't look like a Bosch though.
Can anyone advise as to what part numbers I should look for? I want the very highest rating alternator that will bolt straight on without any mods.
How easy is to to replace an alternator, time taken, etc? How much would a garage charge for doing it??
Any help will be greatly appreciated.
[Edited on 03-02-2007 by chodecz]
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mattk
Member
Registered: 27th Feb 06
Location: St. Helens
User status: Offline
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get one off a corsa deisel or a combo van, deisels have bigger alternators
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Dave A
USER UNDER INVESTIGATION - DO NOT TRADE
Registered: 10th Dec 03
Location: County Durham
User status: Offline
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when upgrading the alternator, upgrade the battery to suit.
the standard corsa battery and alternator is fine anyway, why does it need upgrading?
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Corsa Phil 666
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Registered: 28th Nov 05
Location: Clacton-on-Sea, Essex
User status: Offline
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My 1.4 16v had a 55 amp alternator. I replaced it with a 1.6 16v 70 amp one. It stopped my lights dimming so much when i blast my tunes.
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ed
Member
Registered: 10th Sep 03
User status: Offline
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quote:
Originally posted by Dave A
when upgrading the alternator, upgrade the battery to suit.
the standard corsa battery and alternator is fine anyway, why does it need upgrading?
For ICE probably.
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csweatherston
Member
Registered: 16th Jan 06
Location: Devon
User status: Offline
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ive heard the 120amp vectra alt will fit as a direct replacement...
..could be wrong tho
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infinitycorsa
Member
Registered: 3rd Apr 02
Location: Stourport-on-Severn, Hereford and Worcester
User status: Offline
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Before you uprate the alternator what stero equipment are you running? you should not have and lights dimming if you have sufficent powercables and wired correctly .. You need to upgrade the big 3 be fore you do anything eles.
Big three you ask
1, battery earth ( 0 guage cable)
2, Alternater cabling both + and - to 0 gauge cable
3.engine earth
I suggest you do this before doing anything else! i had a 1.4 8v corsa with a 55ah alternator running 2 x 2500rms amps and one yellow top battery and my lights didnt dim at all.
I suggest you look on www.talkaudio.co.uk
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chodecz
Member
Registered: 21st Jan 07
User status: Offline
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Thanks for the advice guys! Yeah I'm in the process of upgrading the BIG3 and buying a high-spec battery. I don't think you quite need 0awg, 4awg will suffice.
I am merely looking for a direct replacement alternator, but don't wanna spend much, so was just looking for info on what are my options...
Wheres the cheapest place to buy from (besides eBay)?? Found this: http://cgi.ebay.co.uk/VAUXHALL-ASTRA-CAVALIER-CORSA-VECTRA-TIGRA-ALTERNATOR_W0QQitemZ300074941802QQihZ020QQcategoryZ10404QQssPageNameZWDVWQQrdZ1QQcmdZViewItem?hash=item300074941802
What do you guys reckon? I also see ones with pumps? And various pin adaptors?
Any advice will be most appreciated!
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crazycorsa19
Member
Registered: 24th Jun 06
Location: south
User status: Offline
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iv got the same problem even with a deep cycle battery but i am running alot of audio!!!
im going to try upgrading the big3 as said, if no luck then looking into finding a alternator that will fit a 1.2 corsa??
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infinitycorsa
Member
Registered: 3rd Apr 02
Location: Stourport-on-Severn, Hereford and Worcester
User status: Offline
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i bet your not running the kit i was running!
5krms amps with 8 runs of 0 gauage down the car !
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chodecz
Member
Registered: 21st Jan 07
User status: Offline
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'5krms amps with 8 runs of 0 gauge down the car!' and you had a 55a alternator LOL. The guys on the audio forums will have a field day with that one! haha. One great way to RAPE an alternator  .
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infinitycorsa
Member
Registered: 3rd Apr 02
Location: Stourport-on-Severn, Hereford and Worcester
User status: Offline
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im on the audio forums!
DB DRAG street a, second place overall last year in the uk with a score of 148.9db at the uk finals!
Oh and for those who dont no , i was running 2 re sx 10`s in a box tuned to 51 Hz
to be fair the car did well
your more than welcome to look my name up on www.termpro.com and you will see the results for all last year!
[Edited on 04-02-2007 by infinitycorsa]
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chodecz
Member
Registered: 21st Jan 07
User status: Offline
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I found this auction on eBay:
http://cgi.ebay.co.uk/VAUXHALL-ASTRA-CAVALIER-CORSA-VECTRA-TIGRA-ALTERNATOR_W0QQitemZ300074941802QQihZ020QQcategoryZ10404QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
If you look at the list of compatible cars, it shows my Corsa (1.4i 16v) along with Calibra, Vectra, Omega, etc.
Do this mean these model's standard alternator will fit my Corsa???
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