[s-cars] Blown head gasket - was Local, intermittent overheating !???!?!

[Vincent Frégeac]

The electric fan kicks in as I've noticed last Thursday when the S6 overheat
for the first time. I haven't checked the viscous fan but I changed the
viscous clutch this year so it should be OK also. Besides, it was -19C on
Saturday  when I start to think about a head gasket. With a temperature this
low, the engine should stay cool when driving even with a dead fan.
 
 
 
Vincent.

-----Message d'origine-----
De : FvAMI at aol.com [mailto:FvAMI at aol.com] 
Envoyé : 23 décembre 2004 18:30
À : vfregeac at sympatico.ca; WQQ2PXK at ups.com; s-car-list at audifans.com;
Strangconst at rogers.com
Objet : Re: [s-cars] Blown head gasket - was Local, intermittent overheating
!???!?!


In a message dated 12/18/04 8:11:33 AM Pacific Standard Time,
vfregeac at sympatico.ca writes: 




So, suspens is over: blown head gasket. 

I decided to took the S6 to the DIY garage to replace the Tstat. I's only a 
10 min drive and, starting at -19C, I thought I would be able to get there 
before it start overheating. Keeping a close eye on channel 51, after 5 min,

I reached 100C, so I decided to stop. Boiling brown coolant and white 
deposit on the oil cap. No doubt anymore. 




Make sure your radiator fan switch kicks on when idling or driving. Both low
and high speed before replacing the head gasket. 

If the fan does not work it will have symptoms of a head gasket failure ...
don't ask how I know. 

Best regards, 
Feico van der Laan 


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