When I first put fresh water cooling on my A4, I did drain the block and
pump every year, but then it occurred to me that I was leaving the
interior of the engine filled with air and moisture, not the best
combination. Taking the side plate off in my case would be difficult.
I now make sure my coolant has antifreeze (the automotive type) that
protects down to minus whatever, and leave the block full. My thinking
is that the coolant has a corrosion inhibitor in it, probably better for
the engine. Am I missing something?
Neil Gallagher
Weatherly, 35-1
Glen Cove
On 10/11/2016 1:16 PM, Dennis C. via CnC-List wrote:
When I bought Touche' in 1999, it had an AT4. It had the drain plug
extension. When I finally got it started, the drain plug extension
leaked. As I recall, it was corroded at the threads at the cap. When
I went to replace it, it fell apart. I think it's just a 1/8 or 1/4
pipe nipple. Just something to check and be aware of.
Dennis C.
On Tue, Oct 11, 2016 at 11:50 AM, Michael Brown via CnC-List
<cnc-list@cnc-list.com <mailto:cnc-list@cnc-list.com>> wrote:
I have the extension pipe installed between the distributor and the
alternator belt. There is just a cap on the end that I remove to drain
the block. It is easy. The two drain plugs on the block are simple
to get
to. The drain plug on the bottom of the water pump is a bit fiddly to
start back in, mainly just an issue getting into the lazerette enough
to reach it. I doubt it is a 5 minute job to do all four.
Is it common to just drain the engine ( block ) and not fill it
with antifreeze?
Michael Brown
Windburn
C&C 30-1
From: "phorvati ." <phorv...@gmail.com
<mailto:phorv...@gmail.com>>
U have to drain the block. Side inspection plate will leak if
you dont
drain it. Its fragile as it is. It doesnt take too much
freezing to
develop leaks. Block drain plug is under distributor, just
aft of side
inspection plate. It's pita. Moyer sells extention to make
this easy.
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