Would be interested to hear from you if you have changed your battery on your FFRR and noticed a marked improvement on how well the car drives. I changed mine recently and Im confinced the car runs even smoother with more MPG . Thanks.

 Present :2008 TDV8 HSE
Gone Audi A5 2.7TDI
Gone Discovery 3 HSE
Gone Mercedes CLK
Gone Range Rover 2.5 DSE

Last edited by Googsy on 13th Sep 2011 7:49pm. Edited 1 time in total

Psychosomatic methinks!  Got - 2017 SDV8 Autobiography in Loire Blue
Had- 2008 TDV8 Vogue SE in Java black
Had - 2007 S/C in Stornoway Grey

it does seem like that, i sure the extra power does something to all the ecu's in the car and perks them up somehow...

I was thinking the alternator does not have to work as hard and also electronic timing etc runs more efficiently  Present :2008 TDV8 HSE
Gone Audi A5 2.7TDI
Gone Discovery 3 HSE
Gone Mercedes CLK
Gone Range Rover 2.5 DSE

the range starts quicker as well, or does it ...it seems like it does..

Yes Scarey but I wonder is it just imagination or does it really make a difference given the FFRR has a lot of electronics etc. If the older battery was maybe depleted to a point were it could only start the car its possible it may effect driving of the car especially if a couple of cells were faulty on older battery and car was only being used on short runs hence my thinking. Present :2008 TDV8 HSE
Gone Audi A5 2.7TDI
Gone Discovery 3 HSE
Gone Mercedes CLK
Gone Range Rover 2.5 DSE

seriously i'm convinced the battery does make a difference..you and me have noticed it and many other members have posted about it..

I'm sure it's psychosomatic but it certainly starts with much more vigour - 920CCA.

That said I did google it when I changed it as I was convinced it was more eager!!

I suppose its a possibility if your old battery was really dud then a new one would make a good difference. The better the supply voltage, the quicker the coils will charge up and punch out a decent spark.

Also, taking the battery out may have reset some of the learned values in some of the systems... so its re-learning the new values for the car ( as opposed having learnt values that no longer apply )

the gearbox is one of the first to complain about low voltage, and with a new supply, it may be changing better and holding the clutche packs better and not allowing any slip, thereby better power transfer. V8 or else ...

valid theory fisha..  ... - .- -.




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scarey wrote:

valid theory fisha..

Yes i am sure it does all that and more mine even looks better with a new battery when parked up it shines more and i think it even sent me a txt the other day to say thank you ........  Far to many gone...

ric355 wrote:

scarey wrote:

valid theory fisha..

For the bit about spark, this would be valid for a petrol engine but not for your TD6! (according to the little car picture)

quite right sir..  ... - .- -.




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Hahaha no way

I just had my alternator and battery changed by a extreme specialist custom car builder ( by extreme I mean he has just finished building a 1500hp twin turbo lambo) and he talked about mapping my tdv8. When I picked the car up I turned round to ask him if he had done it !

Car feels so much quicker, and quieter !

Before I replaced my battery I would get spurious massages on start up ranging from 'check light bulbs to steep hill descent inactive and more. New battery cured all and yes I do think the car runs better, well
that's what I told the wife.