Using a steam cleaner can ruin the headliner.
Cleaning headliner water stains.
Do this repeatedly until you see that the stain is gone and the foam is bubbling white and no longer discolored.
To use the steam cleaner make sure to only work small sections at a time.
Spray on solution and then use a vacuum for any remaining sections of the headliner.
Be careful to not saturate the headliner because it can ruin the glue that holds the headlines together in one piece.
Its the first time ive tackled a bad headliner.
In order to effectively clean the headliner you will need to use the right products.
Use the upholstery cleaner tool of the vacuum to focus on the outer edges crevices and dome lights of the ceiling.
Vinegar and water is an extremely effective solution that will get rid of nasty stains and odor from the interior of your vehicle.
Mix the water and vinegar in a spray bottle and spray the solution onto the damp cloth.
The color is light gray.
I have a headliner job coming in on thursday cleaning from a water leak small water stains other random dirt grease stains.
This process works for smoke stains coffee soda and other non greasy water based stains.
But not all people like.
Dampen a cloth with water.
Using your foaming cleaner and a dry towel spray lightly then quickly wipe gently transferring the stain from the headliner to the rag.