If this is an auto it could be transmission fluid leaking into the radiator; have you checked the trans dip stick? - some more info would be great please:
For the best forum experience, we recommend completing your "Public Profile". Specifically, the "About Me" section (Edit Your Details). This displays every time you make a post on the forum. This will provide information members may need to reply to your forum posts. You can edit this field via the "User Control Panel", aka, "User CP.
If you're using a mobile device, you may need to use a laptop or desktop computer to see all the user tools.