Download Some 2009 – 2010 Corolla vehicles may exhibit a condition where water drips from the gap between the headliner and the A-Pillar garnish. Use the following repair procedure to correct this condition. Repair Procedure 1. Remove headliner. For headliner removal instructions, refer to the Technical Information System (TIS), applicable model year Repair Manual: 2009 Corolla: Vehicle Interior – Interior Panels/Trim – “Roof Headlining: Removal” 2010 Corolla: Vehicle Interior – Interior Panels/Trim – “Roof Headlining: Removal” 2. Wipe down the roof panel with a dry towel. Be sure to remove all moisture before sticking the felt and the roof silencer padding to the roof panel. 3. Add felt to roof panel area. Figure 1. A. Add 3 NEW pieces of felt (63351-12070) on the roof panel behind the map light bracket as shown in Figure 2. Figure 2. B. Cut pieces of the roof silencer padding (63341-02160 / 63342-02200) into smaller pieces. (1) For P/N 63341-02160, cut in the following sequence as shown in Figure 4: 1 – 2 – 3 (2) For P/N 63342-02200, cut two pieces of foam in half along the center to divide in equal pieces as shown in Figure 6, to obtain 4 individual pieces.