Hi Chris:
When I had the 1600 engine in my S4, I noticed that my block drain
didn't work either. I rammed a piece of heavy gage wire up into the
drain pipe and cleaned out the sediment--this took a while, but I got it
to drain. Unfortunately, I didn't think things through to their logical
conclusion--as Lou Meyers found out when he acquired my engine after I
did my transplant. I'm kind of embarrassed about this: He told me that
there was a boatload of sediment in the block--he'd gotten it out by
pulling the freeze plugs, cleaning out the sediment and installing new
plugs. I felt like a total doofus when he told me about this, but I
guess it's the embarassing things that stick in my mind so that I can
pass them on. Anyway, the engine was out of the car at the time, but I
wonder if you could get at the freeze plugs when it's in the car?
Hope this helps.
Regards
David Sosna
S4 GT V6
STILL a novice
Chris Rife wrote:
>
> Summer is here! Let the overheating begin. Before I delve into my story,
> let me ask a question about something only a novice would not know: when
> driving down the road, what temp, as read from the gauge, is considered
> "overheating?" I know that 212 is boiling, though the wonder of a
> cooling system means that at that temp the water is not yet boiling; but
> how hot is too hot?
>
> Now that the weather has finally warmed up (85+ during the day), my SII,
> with a stock cooling setup, has taken to getting hot (half way between
> 190 and 230 on the gauge) all too regularly. When it does this, it
> begins spewing out some rather ugly looking coolant from the overflow
> tube. I have verified proper action of the thermostat (160 degree) in
> pot of boiling water- appeared to have full action. Disconnecting both
> ends of the rad and dumping water through it, the flow rate appears very
> quick, with clean water coming out clean. Same goes for putting it
> through the thermostat housing. So, I fear that there is gunk in the
> block. Opening the spigot from the block results in no water coming out-
> even when the system is freshly filled. Finally, the second question: is
> there a way to check and/or clean out the water passages in the block
> without pulling off the inlet/exhaust manifolds or (worse) removing the
> whole engine?
>
> As always, all comments and suggestions are greatly appreciated!
>
> Chris
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