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My battery is completely dead after 17 days of not running the car.

Could not even unlock the car and the odometer is not reading anything.

Picked up a replacement from euro car parts and when I compared it to my battery in the 2.5 tdi Superb, it is smaller.

The one in the car is 12 inches long, the one I have bought (giving them the reg number) is 11 inches.

Question is, will the smaller one fit, or do I take this one for a refund and seek out a bigger one somewhere?

Anyone been through this experience?  Perhaps the smaller one is a 1.9 tdi spec, or perhaps there is another explanation.

 

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Done a bit of research measuring the battery, turns out my 2.5 tdi needs a type 110 battery, and I was sold a type 96.

Checked on their website again and most of the batteries they list for this reg number are type 96.  There is only 1 that is type 110 and that is a Bosch S5 at £128.

But noticed on ebay they do click and collect - same battery for £88!

So back for a refund on the Exide, and for an extra £18 I get a heavy duty Bosch with a 5 year warranty.  Just have to wait for an hour before the order is ready.  Nice.  What will I do with the £40 I saved?  Hmmmm.  A carvery for the family? :-)

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Glad you got the correct batery. When you fit it, be very careful not to crack the scuttle trim which surrounds the wiper spindles. I would suggest releasing the (rusty) lower fixing clips to give a bit more movement as you ease the battery into position. It's a lousy lift - watch your back.

 

Check the charging voltage under load in case the freewheel pulley on the alternator is slipping.

 

rotodiesel.

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2.5TDIs got the larger battery as they have more electric gizmos in the cabin, heated seats and so on. 

You do need to lift the trim to replace type 110 battery, best to remove the wiper arms, but if you feel brave you can just lift the trim and try. Though this trim does crack quite easily.

 

I use Exide Premium EA852 battery, 85Ah and 800CCA, 5 years on and it is still going strong, You can get them from Tayna and other places for £75 or so. It is 3rd premium Exide on my cars (I currently also use smaller EA770 on the Roomster), and I am very happy with them, mostly because they are truly maintenance free (and not just cover electrolyte caps of a standard battery under a plastic tape, like Varta/Bosch). Premium Exides also tend to have larger capacities and CCA than competition at this size.

 

OEM batteries never lasted longer than 3-4 years for me, they did not fail, but rather built up high internal resistance resulting in radio/CD resetting, ABS light when starting up the engine, etc. I also inspected electrolyte level every year on them, and inevitably 1-2 cells were low, covering cell caps with a sticker apparently does not turn a battery into a maintenance free one...

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Thanks guys.

The scuttle trim is already cranked in the middle, so I just pry it up, and out she comes.  Then I re-join the two halves so it's not too obvious there is a crack there.  On this car everything that I try to tackle turns out to be seized in rust, so I am pretty sure the wiper arms won't be an exception to that rule!  However, it would be nice to have a non-cracked scuttle, if I can be bothered to find a replacement at some point and get someone to swap, with the right wiper arm puller.

I also had the symptom of sat-nav radio re-setting on fire-up, and requesting to confirm I am aware of the legalities of staring at the screen while driving blah blah blah sporadically.

I got the Bosch S5, type 110, 85Ah, 800 CCA spec.  5 year warranty - I'll be sure to be keeping the receipt in the service folder.  I will also be checking the water level and topping up with de-ionised water was required.

The one I pulled out is an OEM, it has all the VAG credentials on it, and I have had the car for over 4 years and the battery is older than that as I have not replaced it yet.  Though every winter I thought I would have to do it soon, as cranking was always slowing down fairly rapidly, but luckily the old girl fired up before the revs became critical.

The old one is reading 4 volts.  Don't know what happened, but I had a solar charger connected, as I travel a lot the car sits for days on the driveway, so bought a solar charger, connects through the cigarette lighter port.

All I know while I was away SHE started the car up twice (the water board man wanted to read the meter and the car was right over it) and forgot to disconnect the plug.  Perhaps the diode got damaged during cranking and sucked the life out of the battery overnight.

I have used the solar charger regularly over the last three months and it made a big difference to the initial cranking speed after a week on the driveway/airport/etc.

Anyway, now I am hesitant to reconnect it (solar charger).  Considering I have a new battery perhaps I won't need it.

 

I have done some research and apparently the 2.5 tdi does NOT have a freewheel alternator pulley?  Roto, how sure are you that it does have it?  From my research only the 4 cylinder diesels have it.

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I'm not absolutely certain about the freewheeling pulley on the diesel V6 engines, but you can tell by looking - the freewheeling pulley has a snap-on plastic cap over the free end. Test it by carefully putting a small screwdriver into the front of the alternator and check that you can only rotate the fan on the rotor clockwise. Take care not to damage the stator windings.

 

The windscreen scuttle trim is 3B2 819 415E and is available from your nearest VW dealer - mine had several in stock. About £14 if I remember correctly. The windscreen "specialist?" broke mine and the idiot thought I wouldn't notice...

 

Don't waste your time trying to buy any useful spares from "Skoda". My local dealer doesn't even stock all of the light bulbs (VW have the lot).

 

rotodiesel.

Edited by rotodiesel
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  • 3 years later...
On 4/12/2014 at 12:22, dieselV6 said:

2.5TDIs got the larger battery as they have more electric gizmos in the cabin, heated seats and so on. 

You do need to lift the trim to replace type 110 battery, best to remove the wiper arms, but if you feel brave you can just lift the trim and try. Though this trim does crack quite easily.

 

I use Exide Premium EA852 battery, 85Ah and 800CCA, 5 years on and it is still going strong, You can get them from Tayna and other places for £75 or so. It is 3rd premium Exide on my cars (I currently also use smaller EA770 on the Roomster), and I am very happy with them, mostly because they are truly maintenance free (and not just cover electrolyte caps of a standard battery under a plastic tape, like Varta/Bosch). Premium Exides also tend to have larger capacities and CCA than competition at this size.

 

OEM batteries never lasted longer than 3-4 years for me, they did not fail, but rather built up high internal resistance resulting in radio/CD resetting, ABS light when starting up the engine, etc. I also inspected electrolyte level every year on them, and inevitably 1-2 cells were low, covering cell caps with a sticker apparently does not turn a battery into a maintenance free one...

 

Resurrecting a very old thread to note that I have just replaced my Exide EA852 battery for a new one (same type), at a ripe old age of 8.5 years and over 120k miles. The old battery worked very well right until the end. I guess a couple cells must have dried in the Spanish sun because as soon as we came back from hols and nights became colder,  cranking became very slow and voltage fell down to the point of resetting instrument cluster.  Considering that factory batteries never gave me more than 4 years worth of acceptable use, I am going to stick with using Exide Premium. 

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On 21/09/2017 at 10:16, dieselV6 said:

 

Resurrecting a very old thread to note that I have just replaced my Exide EA852 battery for a new one (same type), at a ripe old age of 8.5 years and over 120k miles. The old battery worked very well right until the end. I guess a couple cells must have dried in the Spanish sun because as soon as we came back from hols and nights became colder,  cranking became very slow and voltage fell down to the point of resetting instrument cluster.  Considering that factory batteries never gave me more than 4 years worth of acceptable use, I am going to stick with using Exide Premium. 

 

My old 2003 1.9pd 100 still has its original battery after 14 years and nearly 200k miles - owned by a friend now.

 

Doubt if the battery on my Superb II will last as long. OK it's only a 1.4 but the battery looks tiny and it has stop start

 

 

 

 

 

 

Edited by bigjohn
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