2004 vw beetles have an aluminum engine therefore require the blue colored coolant.
extende life coolant
Green coolantGreen coolant
dex-cool coolant is used in most 3.1 engines,
green
Best thing to do is but the universal coolant, it can be used in all vehicles.
To reset the ECM on a 2004 VW Beetle an diagnostic tool should be used. Plugging the unit directly to the diagnostic tool will allow a user to directly reset the computer.
2001 Volkswagens used a coolant called G12. It is pink. It is no longer sold by Volkswagen. It was made by Pentosin, who still sells it as Pentofrost SF.
the red coolant. the pink coolant is used for newer model.
In order to avoid technical problems, only use "Toyota Super Long Life Coolant" Follow the manufacturers dilution recommendations on the label.
134a
Replace the reservoir with a new or used one.
It is a H.O.A.T.(hybrid organic additive technology) red coolant.