[V8] cooling troubleshooting & temp sensors

[Dave Saad]

Agreed on the green coolant - use it all you want - just change it  
more often.

And, you can't say it loud enough - NEVER USE DEXCOOL!! even in a GM  
car.  I was using some Zerex stuff that I did not know was dexcool,  
and I suspect that is the reason my head gasket started to leak  
coolant.  This is what dexcool does.  Even in GM cars.

Dave


On Aug 21, 2008, at 1:56 PM, cobram at juno.com wrote:

> Kneale Brownson <knealeski at sbcglobal.net> writes:
>
>> Is there a way to diagnose viscous fan clutch failure?  Just watch as
>> the engine speed is increased?
>>
>>   My recollection of the majority of V8 overheating threads is that
>> the solution lies with radiator replacement with an OEM radiator,
>> not some aftermarket item.
>
> Unfortunately you are probably right, there WERE good aftermarket
> radiators available from GoDan and Modine in the past, but alas all  
> the
> aftermarket rads being offered now seem to be JUNK.  The ole GoDan  
> in V8Q
> #2 is still working perfectly, even after a slight bend after being
> hit/run while parked a few years ago.
>
> Your comment about the "green" coolant hasn't been my experience at  
> all.
> Been running the "evil green" in all my Audi's going on more than 20
> years now without any problems.  There was a pretty good thread on the
> main list about it, with the resident Chemical Engineer posting a very
> good write up at the time.  The only caveat about coolant would be  
> with
> the GM Dexcool, NEVER use this stuff, anywhere.
>
> BCNU,
> http://www.geocities.com/cobramsri/
> "God's a kid with an ant farm, lady. He's not planning anything."
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