[Alpines] [Norton AntiSpam] Over Heating

[Peter Chadbund]

Have you replaced the radiator cap?
If so, I would be inclined to flush the whole system out - you probably have 
blockages in the engine block.
If you have access to a digital temperature gauge with a probe, get the 
engine "hot" then check around the block and head, for temperature 
high-spots. If there are major differences, this would indicate internal 
blockages.
Remove the thermostat. run engine up to operating temperature, remove 
radiator cap, open drain tap on engine block, put a hosepipe in the top of 
the rad, run engine, balance flow of water through hosepipe to compensate 
for water being lost through drain. Do that for at least 30 mins. Can be 
worth giving the engine a good run first, getting it nice and hot (watch out 
for steam and hot water!).
If all else fails remove all the core plugs and clean out the cooling 
channels any way you can (a piece of wire, water squirted from a washing up 
liquid bottle) then fit new core plugs.

Pete Chadbund
Buckingham, England
peter at wizardclassics.co.uk
www.wizardclassics.co.uk
Mark II Hillman Hunter GL
Series V Sunbeam Alpine
and previously many other Rootesmobiles

----- Original Message ----- 
From: <philipreddy at fuse.net>
To: <alpines at autox.team.net>
Sent: Tuesday, February 03, 2009 3:09 PM
Subject: [Norton AntiSpam] [Alpines] Over Heating


> My series III has developed an over heating problem. I have owned the 
> Alpine for 35 years and renew the antifreeze regularly and have never had 
> this problem until this past year. There are no leaks, The radiator has 
> been pressure and flow tested OK,the water pump checks OK, good flow in 
> top tank, with or without the  thermostat installed.
>
> I am looking for suggestions on how to proceed from here.
>
> Phil Reddy
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