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Pip1968
Suzuka


Joined: 26 Oct 2009
Posts: 1186
Location: Blighty


PostPosted: Fri Feb 15, 2019 4:58 pm    Post subject: Battery Replacement at 6.5 years good - ? Reply with quote

As the GT, R & RS section is always a little quiet out of season I thought I would bash this up for a bit of discussion.

I bought a Bosch S5 010 battery in August 2012 (£85 ECP) for my 996 GT3 which always sits on trickle charge when not in use. I probably only do 2,000 miles per year on average over that time. Last weekend it was due its MoT so after getting it out went to a home (5 miles)and then to a friends (25 miles and started both times with a bit of gas (I think) and then shopping and for something to eat. The car would not start in the once I went to leave the supermarket. I was in the middle of ringing the ADAC and managed to get it going eventaully with a bit of gas (foot lightly on the pedal) and also found it difficult once we had gone to get some food and went to leave an hour or two later.

I got home and once in the garage and parked I went to start her again after the trickel charger had been on her (charger showing green light) and got the same as in the supermarket the dash lights all on but just the click click click noise with the car not turning over.

Anyway I have ordered another Bosch S5 010 (£105 Tanya). It has all sort of caveats to the 5 year guarantee on it about it not dropping below 12.10V and 50% discharged or 10.6V 100% discharged Rolling Eyes .

My new one pictured here shows 12.69V is that acceptable for a new battery not yet fitted???

I should add that I let the fuel go to 25 miles range on the way to the MoT which I dont normally do and filled up at Co-op with their premium fuel. I did think it was dirt in the fuel or letting it get very low and picking up rubbish in the bottom of the tank. I did give it some beans on the motorway on the 25 miles journey there and 25 back and hoped that would sort any fuel problems.

So battery, fuel or something worse? I have not fitted the new battery yet. With the old battery and if static whilst connected to the car still what should the battery have voltage wise before I start the engine??

Pip
 



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DRZ911
Barcelona


Joined: 13 Mar 2013
Posts: 1467
Location: Belfast


PostPosted: Fri Feb 15, 2019 6:54 pm    Post subject: Reply with quote

Great life on the previous S5. Thumb

In the industry that I'm in, 12.54V is the acceptance level for a good condition battery, so you will be OK.
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Senoj
Zolder


Joined: 23 Jan 2006
Posts: 5190
Location: Sussex


PostPosted: Fri Feb 15, 2019 8:24 pm    Post subject: Reply with quote

Did you put the meter on the old battery?

9/10 that’s the starter motor at fault.

F.I.(any) Engines need no gas pedal to start IIRC.
 
  
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Pip1968
Suzuka


Joined: 26 Oct 2009
Posts: 1186
Location: Blighty


PostPosted: Sun Feb 17, 2019 3:51 pm    Post subject: Reply with quote

Well Senoj, multimeter put on the old battery and it is showing 10.80 Volts.

Car started fine with a battery charger connected but as soon as it was disconnected it failed to start. It was turning over but not firing up without the battery charger connected.

Trickle charger is showing the orange light as opposed to a nice green LED so presumably it is not holding or taking charge.

Pip

Ps volt meter on the dash was showing above 14 Volts once car was started
 
  
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Senoj
Zolder


Joined: 23 Jan 2006
Posts: 5190
Location: Sussex


PostPosted: Sun Feb 17, 2019 7:52 pm    Post subject: Reply with quote

10.8 is not enough Smile

I thought I read that it was clicking? If it’s turning over and not firing up then something else going on. I had intermittent click, click thing and new starter motor fixed it.
 
  
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deMort
Dijon


Joined: 21 Mar 2015
Posts: 7279
Location: Brighton


PostPosted: Sun Feb 17, 2019 8:31 pm    Post subject: Reply with quote

6 cells in a battery and approx 2.1 volts per cell .. if a cell dies (the plates short out due to oxidation and debris build up in the base) .. you are left with 5 and the voltage will be just above 10 volts .

Car seems to charge fine given the 14 volts when running .

A starter fault and you normally have 12 volts in the battery but it will often click but not spin over .

A new battery at 12.6 volts means it is fully charged .
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Pip1968
Suzuka


Joined: 26 Oct 2009
Posts: 1186
Location: Blighty


PostPosted: Sun Feb 17, 2019 10:36 pm    Post subject: Reply with quote

So any recommendations on people who will refurbish my starter motor (preferably someone in the SE but anywhere is fine).

Failing that is a replacement best through Porsche or is there someone that supplies them without Porsche tax??

Pip
 
  
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NXI20
Paul Ricard


Joined: 02 Feb 2008
Posts: 3380
Location: South Bucks

2004 Porsche 996 GT3 Mk2

PostPosted: Mon Feb 18, 2019 10:24 am    Post subject: Reply with quote

ECP do them for around £300 exchange. Porsche want to sell you a new one for £1K so no surprise there Surprised
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2004 GT3 CS in Atlas Grey with too many mods to list!
1995 993 GT2 recreation in Polar Silver
2010 GT3 CS in Riviera Blue Smile
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Pip1968
Suzuka


Joined: 26 Oct 2009
Posts: 1186
Location: Blighty


PostPosted: Mon Feb 18, 2019 12:34 pm    Post subject: Reply with quote

Thank you Nick and wow Surprised that is some difference - ECP/Porsche

Pip Thumb
 
  
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GuadalupeBrock
Newbie


Joined: 23 Feb 2019
Posts: 1



PostPosted: Sat Feb 23, 2019 11:08 am    Post subject: Reply with quote

Will the Porsche Battery Charger/Maintainer Pro work with this battery? I keep it on all the time. Per Porsche it supports lithium battery.
 
  
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