'06 A6 3.2 camshaft position sensor code

[Cody Forbes]

FWIW I just did a similar job on a 4.2l; replaced all of the timing chains, tensioners, guides, etc. and had to pull the heads to replace a few bent valves. The bill to the customer was just shy of $10,000.

-Cody Forbes (mobile)

On Dec 4, 2012, at 7:41 AM, Tony Hoffman <auditony at gmail.com> wrote:

> To clarify, this is for the 2.8L V6. The 3.2 in question is run by timing chains at the back of the engine, as pointed out by Cody. However, as Paul stated, and still holds true, if you loose that chain, you loose the engine :( BTST and fixed it, not pretty, and definately not inexpensive.
>  
> Sounds like it's probably going to be engine pulling time to get this fixed :(
>  
> Tony
> 
> On Mon, Dec 3, 2012 at 9:59 PM, Paul Caouette <paxnobis at gmail.com> wrote:
>> We just had this issue with our A4.   V6.....187000 miles.
>> 
>> The timing belt drives the exhaust cam and there is a chain from the
>> exhaust cam to the intake cam. The hydraulic mechanism allows for very
>> small change in valve timing of intake vs exhaust valves. Very slick
>> design. Ours had the plastic pads worn through and the chain was cutting
>> into the actuator...
>> 
>> We couldn't afford a new actuator and the labor    ($2000) so the mechanic
>> reluctantly replaced the plastic parts.....with no guarantee........he was
>> right!
>> 
>> Two days later the check engine light came on and we parked it.....
>> 
>> If you lose that chain you lose the engine.
>> 
>> Considering my options......