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Transmission oil replacement : filled using wrong hex plug

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Hi all,


a friend of mine wanted to change his transmission oil on his 996 Carrera 3.4 (6 speed manual).


He drained transmission fluid correctly, then filled the gearbox with Porsche transmission fluid, exactly 2.8 l.


Then he tried his gears : goes into reverse without pressing in, has hardly any other gear.


Then he checked and realised that he used the WRONG hex plug to fill the transmission fluid : instead of (from behind car) the left pretty low one, he used the right upper one (as well a 10 mm hex).


Then, he undid undid the correct plug to check level, level was ok.


How come gears don't work properly ? How can this be fixed ?



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Thank you for the info, I'll ask him and let you know.


I had a quick look around, and it looks like he removed the so called 'bearing screw'.


In workshop manual it says "Caution : parts of the shifting mechanism will fall into the transmission if the bearing screw No 23 is unscrewed."


So I'm afraid that will be a transmission removal to put the bits back ?!

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