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Author Topic: alternator warning light  (Read 3098 times)

Offline cardconvict

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alternator warning light
« on: 25 May 2011, 22:51 »
Hi does anyone have any suggestions on what is wrong with my car.
i have replaced the coil packs today well 2 of them as two have already died on me in the last month so thought i would replace the rest as it is the end of the month and payday and now when i drive down the road under acceleration the alternator workshop light come's on then goes off when deaccelerating, only comes on when you give it the full beans. and does'nt come on under light acceleration.
« Last Edit: 25 May 2011, 22:54 by cardconvict »
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Offline Mikeyp

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  • 2001 Golf GTI 1.8T
Re: alternator warning light
« Reply #1 on: 25 May 2011, 22:55 »
Could be the bearings in the pulley that are going causing it to slip or maybe the belt isn't tensioned correctly.  Similar thing happened on my TDI Passat until it eventually threw the belt off.  Ended up just fitting a new pulley to the alternator.  Funnily enough my sister has just had to replace the pulley on her Golf TDi as well.
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2001 Golf GTI 1.8T - Totally Standard

Offline cardconvict

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Re: alternator warning light
« Reply #2 on: 25 May 2011, 22:56 »
it's just strange that it has only started when i replaced the rest of the coil packs never has come on before
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Offline Mikeyp

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  • 2001 Golf GTI 1.8T
Re: alternator warning light
« Reply #3 on: 25 May 2011, 22:58 »
could be just coincidence.  Check to see if its making any noise, mine was or is anything else affected e.g steering.  My sister first noticed the problem when her PAS started making horrible noises, because the belt was slipping it was affecting the PAS pump.  What model do you have?
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2001 Golf GTI 1.8T - Totally Standard

Offline cardconvict

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Re: alternator warning light
« Reply #4 on: 25 May 2011, 23:02 »
1.8 T mate nothink else has been affected
« Last Edit: 25 May 2011, 23:07 by cardconvict »
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Offline Mikeyp

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  • 2001 Golf GTI 1.8T
Re: alternator warning light
« Reply #5 on: 25 May 2011, 23:07 »
I know the TDIs are know for pulley problems, but not sure about about the 1.8T.  I am no expert on this but with the problems I have exprienced and the fact it only happens under hard acceleration I would say the belt is slipping for some reason.  Someone else on here may be able to suggest another cause. hopefully its something simple  :smiley:
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2001 Golf GTI 1.8T - Totally Standard

Offline cardconvict

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Re: alternator warning light
« Reply #6 on: 25 May 2011, 23:08 »
yeah i hope so i will check in the morning for the tightness of the belt and to see if it is slipping if poss
mind you i have noticed a big differrence in performance since replacing the coil packs know where near sluggish as it used to be
« Last Edit: 25 May 2011, 23:10 by cardconvict »
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Offline Mikeyp

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Re: alternator warning light
« Reply #7 on: 25 May 2011, 23:12 »
I had three coils replaced under warranty recently and mine is alot smoother as a result  :cool:
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2001 Golf GTI 1.8T - Totally Standard

Offline Wayne

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Re: alternator warning light
« Reply #8 on: 25 May 2011, 23:49 »
Check the charging, could be the belt slipping
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Offline cardconvict

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Re: alternator warning light
« Reply #9 on: 29 May 2011, 15:33 »
just a quick update and to see if anyone has any ideas on this but i have put back in one of the old coil packs and now the warning light does not come at all  :sad:
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