Yes sounds like your front drains are clogged the reason they clog is because at the end of the drain they have a duck bill valve that fits into the frame and goes on the end of the hose they clog very easy. Heres my trick remove both forward sill plate molding that cover the area by the dash. Then you will see a black square plug pull that out. Then in the square hole you see the drain hose unplug the drain hose from the duck bill valve that fits into the body. Watch for all the water backed up in the hose when it drains out. Then remove the duck bill valve clean all the debris out of it. Then get a razor blade and cut the duck bill valve part of it off flush to the rest of the assembly. This will allow the drains to drain twice as fast as they did before and will be harder for them to clog in the future. Then put it all back together and water test it for leaks. As far as the sun roof it probably needs a complete sun roof module very common for those cars only thing really replacable on the sun roof is the motor and relay sounds like both those work if the motor is running. As far as the headliner goes ask a upolstery shop how much they would charge to redo your headliner if you brought it out of the car to them.
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Wednesday, August 10th, 2011 AT 9:27 AM