A8 coolant circulation issues @#$%^&* !!

[Bing]

So I purged the system and let lots of air out,I squeezed lower hose and now
felt warm water going through.I  drove the car and found that lower rad hose
was cold again,and felt no water resistance when squeezing hose..

On 4/10/07, Mark R <speedracer.mark at gmail.com> wrote:
>
> The presumption is that all is working correctly (i.e. the new water pump
> is working, etc.).  I've had luck doing the purging on my hill.  Basically
> raise the side up to force the high spot higher.  Purge when running (flow),
> heater core flowing, etc..
>
> Alternatively, start cracking the pipes (so to speak) to verify flow,
> etc.  It's a pretty simple system and the A8s are prone to getting an air
> lock.
>
> Mark Rosenkranrtz
>
>
> On 4/10/07, Bing <bing30v.audi at gmail.com> wrote:
>
> > I recently replaced the the timing belt,t-stat,water pump,rollers and
> > what
> > not on my 98' A8 4.2Q  and now running hot at stop lights...I have
> > cracked
> > the bleed valves at the heater core to release trapped air, but not much
> > air
> > purged..My t-stat housing is super hot to the touch but my lower
> > radiator
> > hose is ice cold from rad bottom to t-stat housing while upper hoses are
> >
> > hot..T-stat is operational,it opened in pan of boiling water.....What
> > Gives???
> >
> > --
> > Bing
> > '01 A4 2.8QM 30v
> > '98 A8 4.2Q
> > '93 ur//S4
> > 82 valves :-)
> > _______________________________________________
> > quattro mailing list
> > quattro at audifans.com
> > http://www.audifans.com/mailman/listinfo/quattro
> > ---
> > Watch this space for ads :)
> >
>


-- 
Bing
'01 A4 2.8QM 30v
'98 A8 4.2Q
'93 ur//S4
82 valves :-)