29-08-2013, 07:08 PM
Check the tailgate seal.
I had a car with the same problem but not a 306 and it turned out to be this. You could try putting someone in the car and give it a good soak with a hose around and suspect areas.
I had a car with the same problem but not a 306 and it turned out to be this. You could try putting someone in the car and give it a good soak with a hose around and suspect areas.