Look for a removable housing at the engine end of the upper radiator hose
take it to an auto machanic....huhuuhuuu or, very carefully......
The 2004 Volkswagen Passat has 20 valves.
Beneath the alternator
The 2004 Volkswagen Passat is a gas-powered vehicle.
The 2004 Volkswagen Passat has a 5-speed manual.
The 2004 Volkswagen Passat has an inline 4 engine.
The height of the 2004 Volkswagen Passat is 4 ft. 9.6 in. (57.6 in.).
The 2004 Volkswagen Passat has double overhead cam (DOHC).
The 2004 Volkswagen Passat's turning circle is 37.4 ft..
The curb weight of the 2004 Volkswagen Passat is 3212 lbs..
The 2004 Volkswagen Passat is 15 ft. 5.2 in. (185.2 in.) long.
The 2004 Volkswagen Passat has a drag coefficient of 0.27 Cd.