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
