in addition to the other answers, there is a cable operated valve behind the engine where the heater pipes go through the bulkhead,the cable can sometimes come off & valve may not open.
baz b
December 2009
Does the temperature rise ? stat may have failed open and engine is not hot.
mike
December 2009
Check fluid level in radiator,
Heater Matrix may need flushing out (or replacing)
Good luck !!
Gedd
December 2009
I can answer this question...
The heating on my Rover 25 is not working-fan OK but blowing cold air only?
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