Thanks for the advice Phil,
having had the car idling for the last 1/2 hour I
checked the vents for a sweet smell as you suggested. Yes it did smell sweet. I
checked the pressure in the heater hose , one was hot the other bearly warm.
This now supports your theory that the heater core is shot. Lucky that there is
a radiator shop near to me that do's rebuilds. I think it might be prudent to
get the main core re done too.Still after 40 years they ain't done bad
!
Thanks
Dave.
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