Anonymous posted an answer for this 2002 Chevrolet Cavalier Coupe:
"Try this i found this at another site sounds like it should work 01. Sit in the rear seat..."
Anonymous posted an answer for this 2002 Chevrolet Cavalier Coupe:
"could be a air pocket in your lines"
Anonymous posted an answer for this 1999 Volkswagen Passat:
"It could be one of three things. The heater core, water pump, or a air pocket in your..."