hi guys,wondered if i anybody knows how to bleed the cooling system properly after a flush.
i have a 2002 a3 8l 1.6 petrol sport,gave the system a flush and renewed the coolant but now there is no heat coming from the heaters.
ive done what i thought was right and topped up expansion bottle,heaters on full blast and max temperature and let it idle to let air out but still no heat from the heaters after a few attempts. (also done the same while revving to around 2000 rpm)
ive read there is a small pinhole on one of the heater matrix pipes on the bulkhead but when pulling the pipes back i cant see this bleed hole.
anybody else know what im doing wrong?