> From: asj@dsbc.icl.co.uk (Adrian Jefferies)
>
> The chattering noise in question is my teeth! Its been cold here in the
> UK for a while now (though the cold snap has eased off today), and the
> net result is that the heater in my TR4 is getting overwhelmed causing
> it to pump out cold air.
Hmmm. Is this a conspiracy? The heater motor in my Mk3 Spit suddenly
packed in on the very day we got our first snow in Edinburgh, causing it to
pump out . . . nothing! Apparently the MkIVs and 1500s have motors that can
be removed without the heater matrix, but not the Mk3s :-(
> The unit functions really well in hot weather (!) but when its cold out
> and the blower fan is on it cant really cope. Now, I sincerely hope this
>doesnt
> provoke another thermodynamics discussion, but I'd like suggestions as to
> improve matters.
Does the TR4 system need bleeding? The Spitty system certainly does - just
like house-type radiators. I think you just undo a couple of the top hoses
and run the engine until water comes out.
Alternatively, I see an occasional reference to (third party) ELECTRIC
heaters in the Triumph Sports Six Club magazine, mostly in relation to Heralds.
I've not managed to find out what/where/how yet but I fully understand the
"why"!
> Regards, Adrian
Cheers,
Mike "Sorry, Officer, the windscreen mists up at less than 50mph" Clarkson
ceemc1@cee.hw.ac.uk
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