Thank you for this excellent write up. Made switching out the 11 year old Varta a breeze. Locally cold temps caused negative strap reconnect challege due to stiffness. That and the mass of the big AGM we're the main challenges.
My oem battery lasted from '08 to '13. The last few weeks the car would hesistate to start. The starter would click click, dashboard lights would flicker, and the ECU and CANBUS would reset. I'd lose the auto windows and see my trip odo reset, but the battery read 12.5V and alternator read just fine too. I waited until the day I had to jump-start the car then drove to VW and bought a new OEM battery; I believe it's a Varta. After I installed new battery the starting issues went away, but I got stuck where the car would go "clickiddy clickiddy clickiddy click" and dash lights flickered like mad; new battery too! I took my multi-tool and started beating on the connections, leads, and grounds. I found the ground wire to be a bit corroded. After cleaning the terminals with 120 grit and a whopping dose of dielectric, car starts like brand new. The starter is pretty tough.
Alright so i picked up a bosch 750 cca battery and threw that in her on another -10 F day, cycled the glow plugs once and she fired up like it was a mid summer day. Hasnt given me any trouble since and its been nothing but cold here.
I'm using a Bosch Group 48 battery (it is 26 months old now) from Pep-boys. Their testing machine result says 'good battery' The guy at the store said, it was as good as a new one.
new bosch battery
Varta makes damn good batteries. One in my Rabbit lasted almost 5 years.
My GTI's original Varta battery lasted 7 yrs with normal driving/ number of starts.
I replaced mine also with the G14 and no problem at all, so it should work or your old battery broke becasuse of a defective module jorg
Walmart everstart battery lasted about a year from my experience. This used car i bought came with a Bosch battery. it died right before 3 year free replacement. I took it to the pepboys and they gave new one for free.
Aside from getting a defective Bosch battery that was replaced for fre I've never had a problem with either.
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