I forget, have you given it a citric acid flush?

-- Jim



On Fri, Jul 11, 2014 at 12:38 PM, clay <redgh...@comcast.net> wrote:

> Froggy is having inconsistent cooling issues.
>
> I was taking her for an italian tune up this past weekend.  I meant to
> climb the foothills of the Cascades about 32 miles out of town (seattle)
> doing 70mph.   I made it only 22 miles before I had to pull off because the
> temp was climbing up to the red zone.  Got to a service station and
> drizzled a gallon of water over the block and rad to get temp down.  I
> decided to head back home and give it a better look.
>
> No visible leakage.  The system was holding pressure fine.  I checked the
> oil for water, but only found it to be black and nasty.  This within 500
> miles of a change.  I am suspecting the shop did not really change the oil.
>  So, I gave it all new oil.
>
> Thermostat was changed, along with new hoses and water pump last summer.
>  The AC does not function, so that should have no impact on temps.  I have
> replaced the hood pad, and there are no cats living in the engine bay to
> add to the heat soaking.
>
> Transmission filter and fluids were change two years ago, about 2k miles.
>
> Anybody have insight?
>
>
> clay
>
> 2002 s430 - Victor, a Stately & well tailored chap
> 1974 450sl -  Frosch - Two tone green
> 1972 220D - Gump - She was green, simple and ran
> 1995 E300D - Gave her life to save me against a Dame in a SUV
> POS 1987 SDL - Beware Nigerian Scammers
>
>
>
>
>
>
>
>
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