This was done on my 2005 Cayenne Turbo. I only have a battery under my drivers seat. I think some might of came equipped with a battery in the trunk.

I did't want to pay the dealer $400+ for a OE battery and labor. I was able to get mine from Advance Auto Parts for about $130 after coupon code.. It took me about 30 mins max!

http://shop.advancea...8agm&showTitle=





























NOW PUT IN THE NEW BATTERY AND DO EVERTYHING IN REVERSE ORDER!!

Remember to put blue loctite on the seat rail bolts and manual calls for 37ft lb torque.

 

...great write up...should help us all. Thanks for the post, I was going to look into how this would be done, but with the info, it will be easy.

 

Thanks for the write up

 

Forgot to mention.. put blue loctite on the bolts for the seat rails and also the manual calls for 37ft lb torque

 

You spent more time making the write up than it takes to change the battery


.....now go write one for the other battery

 

lol.. i would but dont have another battery

 

It often is the easy jobs that intimidate and scare those new to the car maintenance. Having these write ups helps to give others the info to complete as diy. Otherwise tbey are much more likely to pay to have it done. So good job and keep em coming.

 

Thanks for all your time making this pictorial- Will be printing.

 

Great post! I am somewhat used to turning a wrench and actually thought that accessing the battery under the seat was unnecessarily complicated.

My biggest frustrations was:

1) You need to move the seat a few times in order to get it completely out of the way. This thread makes it easier to understand.

2) I had to remove the plastic seat rail covers in the rear since they got "pinched" (and subsequently broken) when tilting the seat back. The owners manual did not mention this and I had to buy replacement seat rail covers.

 

Good write up. Very useful post.
I had battery replaced in Sep. IF........bla bla bla

 

I've always wondered why in the hell they put the battery under the driver's seat.....

 

I am sure having it so low is better for weight distribution and lower center of gravity. However, it is more complicated than I would prefer. At least you only have to access it once every 5 years, so I guess the minor inconvenience is worth the handling gains.

 

Great write up!

 

On a side note, does anyone know if an optima yellow top or kinetik racing battery will work/fit?

 

I've been looking for this info as well, optima will last longer.