i had that and found a filter behind the glove box. changed that and all was sorted.
mikes
December 2011
yeah check the water if there is oil mixing or just starting to your head gasket on the way out.but if not no need to worry,,,, heaters,,,,,, change thermostat .check all pipes for cracks ..
roadrunnermac
December 2009
there is oil in the water on my vauxhall astra diesel van
shane murphy
November 2009
Check your coolant (water, anti-freeze) level
If it is low the heater will not work properly
Shaun L
January 2005
I can answer this question...
the heater in my vauxhall astra van dont blow hot?