Audi A4 V6 Help

[Paul1]

Thanks for the help. It turns out the the chain (for both banks) drives the intake cam from the belt driven exhaust cam. The tensioner is used to vary the intake valve timing to improve efficiency. Very slick. 

Sent from my iPhone

On Nov 18, 2012, at 6:21 PM, Grant Lenahan <glenahan at vfemail.net> wrote:

> probaby to connect the two camshafts
> 
> The belt drives the cams from the crank.  
> 
> I dont actually have a V6 beast, so the detail;s are sketchy - just thinking it through
> 
> Grant
> 
> Grant Lenahan
> glenahan at vfemail.net
> 
> 
> 
> On Nov 18, 2012, at 7:07 PM, Paul1 wrote:
> 
>> What is the purpose of the chain on the rear of the V6 head?
>> 
>> Isn't the timing from the front toothed belt?
>> 
>> Sent from my iPhone
>> 
>> On Nov 17, 2012, at 10:40 PM, Scott <suffolkd at aol.com> wrote:
>> 
>>> 
>>> Something is taking all the power from your battery.
>>> 
>>> Check the battery itself.
>>> older than 6 years it could be weak with no reserve.
>>> 
>>> The older C chasis (5000) had a spliced power line to the engine compartment, which when corroded would heat up and not transfer all the power available.
>>> Heated connections that expand may not pass enough juice until cooled off and "shrunk" back together............
>>> 
>>> Something is sapping your juice.
>>> Friction 
>>> Starter
>>> Bad Alt not recharging battery fully.
>>> 
>>> I suspect the battery or some circuit drawing amperage.
>>> 
>>> You could meter (VM) the fuse box and see if there is a current draw across a fuse, etc.,
>>> 
>>> Investigate and tell us what you get
>>> 
>>> 2. Interior courtesy lights (Jay M) 
>>> 
>>> 
>>> _______________________________________________
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>>> http://www.audifans.com/mailman/listinfo/quattro
>>> http://www.audifans.com/kb/List_information
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>> 
>