GolfGTIforum.co.uk
General => The garage => Topic started by: Clinton78 on 17 January 2018, 16:35
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Hi guys,
My Golf was sitting for a while and the battery was dead. I knew the battery was old so I just opted to buy a new one. I was advised to buy a high-performance battery so bought a "Bosch S5005 Silver Calcium, High Power Battery".
I installed it and took the car for a run. After a while, the "ALTERNATOR" - "WORKSHOP" warning light started flashing and beeping. It does this after driving the car for a few minutes.
Please excuse my ignorance as I am not very clued up on the finer aspects of engines etc, but because I fitted a high-performance battery does that mean I need an uprated alternator rather than the existing factory standard alternator in my Golf?
Or, is the alternator just on the blink and I just need a new one?
Cheers in advance for any advice. :)
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Your Bosch battery isn't really all that much high performance. It's just a decent quality standard battery.
I would guess your alternator is on the blink. Most likely the regulator, if you're lucky you can replace separately (assuming the rings are ok).
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Thanks itavaltalainen! :)