Optima L4-2.4L (2001)
push the styrofoam spacer block away from the headliner, until block releases from headliner, use care to not break styrofoam block.
4a. Remove styrofoam spacer block from headliner and set aside. Do not remove adhesive residue from foam block.
5. After removing right side styrofoam spacer block, slightly pull down rear section of headliner. Reach between headliner and roof, locate sunroof
drain tube. Simultaneously squeeze drain tube hose clamp and pull drain tube off sunroof drain port.
6. Pull drain tube outside of headliner.
7. Insert four inch length of stainless steel spring into rear drain tube; spring must be positioned in drain tube where pinching occurred.
