Tip - How to Flush the Heater Core in a 2001 Passat | eHow

The heater core in a 2001 Volkswagen Passat can be flushed using a common garden hose connected to the heater core hose with a T-shaped flush kit adapter. The flush kits come with several sizes of adapters; the smallest of them fits the intake hose on the Passat's heater core hose perfectly. The average backyard mechanic can flush a heater core in...