| 1 | CHECK THE GASKETS ARE CLEAN | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
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| Check for foreign bodies on the sunroof seals. | Move on to Step 3 | Foreign bodies present on the sunroof seals. | Clean the seals. |
| 2 | CHECK WHETHER SEAL SQUEAKING PERSISTS | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
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| Check whether seal squeaking persists during sun-roof opening/closure | End of diagnosis | Noise persists. | Moisten the affected seal with Kritox GPL 205 grease. |
| 3 | CHECK FOR FOREIGN BODIES ON THE SUNROOF SEAL WORKING FLANGE | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
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| Check for paint spots/superficial defects/corrugation on the sunroof seal working flange. | End of diagnosis | Presence of defects in the paintwork/panel. | Remove the panel/paintwork defects. |