Originally Posted by Jacklee

hi,I drive a G4 E-Class and i recently face some problem on my gearing system.It seems 'ok' if i drive slow or if the car is moving with its first gear.But,just the car is changing into second gear,the engine will suddenly revving high and the car couln't move any further.The gearing unit is turing fast with the clutch bell and,it stop with a sound like a clip is dropping out from its original position(due to high speed) and came back again.I really don't know what going on with it .It works fine when you lift up the car and blow it untill it change gear.But if you put it on the road,it happend again.The clutch is still in good condition and i've change the one way hub and bearing to K-Factory parts earlier when i discover this problem.And,for your information,i bought this car from my friend with no modification.He race about 4 to 5 gallon of gas with his Novarossi 5 port turbo engine,and my turn about 2 gallon with my O.S .12TR 5 port turbo(before this happen! ). Sorry for poor explaination,hope you people out there can help me to solve this problem.Thank you.