2004 BEW Jetta Wagon new battery(June) yet after 2 days not running voltage drops under 10v.

[Richard416282]

Hello all.

New user to boards, very informative.

Have a 2004 BEW that only keepsenough charge in the battery for day.

Other posts have TDI matrix for Parasitic drain, and will look into all of the suggestions.

The vehicle has 645,000km and is running fine otherwise.

Is anyone familiar with the comment posted by ( comment here ). About undervoltage causing sulfation and over voltage causing off-gassing.

thanks in advance.

 

[STDOUBT]

Welcome to TDI Club!

Is anyone familiar with the comment posted by ( comment here ). About undervoltage causing sulfation and over voltage causing off-gassing.

Can you provide a link to the post you're referring to?

 

[Tdijarhead]

Testing a vw. Do you have an aftermarket stereo, or other aftermarket device?