You can check out the instructions on the website: Your Mechanic. Just type in "How to Clean the Interior Roof of a Car" in the search box.
Remove the headliner board, clean it and replace the headliner material. There is a online guide at this page http://www.wlsheadliners.com/tutorials/s10sonoma/
the headliner or roof
In order to remove the headliner, your have to remove the seats or it will not fit out of the car.
Shorty's Automotive is in Portland. They do a lot of interior work and will gladly replace your headliner for you.
To fix a fallen headliner in a 2001 Olds Aurora, you'll need to remove the headliner board from the vehicle. Carefully detach the fabric from the board, clean off any old adhesive, and apply new headliner adhesive or spray adhesive to securely attach the fabric back to the board. Once the fabric is in place, allow it to dry, then reattach the headliner board to the ceiling of the car, ensuring it's securely fastened.
To replace the headliner in a 1991 Oldsmobile 98 Regency, first, carefully remove the interior trim and any components attached to the headliner, such as visors and handles. Next, take out the old headliner board, clean it, and apply new headliner fabric using adhesive. Once the fabric is securely attached, reinstall the headliner board into the vehicle and reattach all trim and components. Finally, ensure everything is properly aligned and secure for a clean finish.
The part is called a headliner, the material is usually cloth glue to a foam/composite board.
To repair a sagging headliner on a 1978 Cadillac, start by removing any trim pieces and carefully detaching the headliner from the roof. Clean the old adhesive from the headliner and the roof surface. Apply a high-temperature adhesive or headliner glue to both the roof and the back of the fabric, then press the headliner firmly into place. Finally, reattach the trim pieces and allow the adhesive to cure as per the manufacturer's instructions.
Removing the headliner board from a 96 Nissan Sentra is not too complicated - 1st you remove the visors, hangers and anything else that attaches through the headliner and then you remove the headliner plastic trim. The board should fall free so it can be removed from the car through the front passenger door.
To install a headliner on a 1969 VW convertible, start by removing the old headliner and any trim pieces. Clean the ceiling thoroughly and ensure the new headliner is properly cut to fit. Begin attaching the headliner at the front windshield, working your way towards the rear, using adhesive or clips as needed. Finally, reattach any trim and ensure everything is smooth and taut for a polished finish.
Istalling a headliner is not that difficult. First, remove everything that is bolted or screwed to the existing headliner, e.g., sun visors, luggage bar supports, etc. Next, remove anything that is bolted or screwed to the trim pieces that contact the headliner, e.g., shoulder strap supports. Next, firmly pull the trim pieces from the sides, rear and front. Next, pull the headliner down from the rear and slide it out through the tail gate. After that go to the fabric store and purchase foam backed headliner material and about two cans of headliner adhesive. Remove the material from the old headliner and clean the residual off with a putty scraper or stiff brush. After the headliner is clean and dry, spray it with headliner adhesive. Let dry until tacky. Next, spray the foam side of the headliner material with adhesive. When tacky apply the headliner material to the headliner shell. Work in sections and be careful to stretch and smooth the material as you go. Fold material over the ends as possible. Finally trim off the excess and cut the necessary holes for the sunroof, if so equipped, screws for the sun visors, etc. Installation is the reverse of removal.
The trim around the headliner needs to be removed. The trim holds the headliner up. Be careful during removal not to break the headliner backer.