@sevensevenone
For proper diagnosing you should have some basic investigations
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Is oils drops are of engine oil judge it or is it of any other fluid like gear oil ect..
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And further check points to check after thorough engine cleaning from wash station
- Oil Drain plug condition for leakage.
- Oil leakage from engine seals
- Gear box conditions
- Intensity of leakage , quantity of leakage
- Routine all fluid and oils checkup for their level depreciation
- so on there are so many check list for this
- Engine blow by gases
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At the end it is my advice to take you surf to any <?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" /><st1:place w:st="on"><st1:City w:st="on">TOYOTA</st1:City></st1:place> AUTHORISED dealer for further investigations / rectification