I'm looking to change the oil in the gearbox of my 1999 s3 on 90k as the gearbox is stiff when cold and it didn't used to be.
I've read a bit about the gearbox and the front diff being connected and the way to change the oil is by removing drain plugs from both the gearbox and the front diff and refilling through the gearbox filler only. After refilling it was suggested to go for a short drive and then top up. Is this correct? I'm worried about draining two sides of a system and only refilling one side - and then driving on it?!?!. Why not just have one drain?
For ref the Audi Maintenance manual states:
Oil should be G50 SAE 75w-90
Audi only mention topping up the fluid and do not describe how to change fluid, but do specify that on the 6 speed A3 (Manual gearbox 02M) the filler plug must be renewed. Does not state this for 5 speed boxes.Tightening torque of filler plug to be 30Nm.
Thanks in advance for any help.
Paul
I've read a bit about the gearbox and the front diff being connected and the way to change the oil is by removing drain plugs from both the gearbox and the front diff and refilling through the gearbox filler only. After refilling it was suggested to go for a short drive and then top up. Is this correct? I'm worried about draining two sides of a system and only refilling one side - and then driving on it?!?!. Why not just have one drain?
For ref the Audi Maintenance manual states:
Oil should be G50 SAE 75w-90
Audi only mention topping up the fluid and do not describe how to change fluid, but do specify that on the 6 speed A3 (Manual gearbox 02M) the filler plug must be renewed. Does not state this for 5 speed boxes.Tightening torque of filler plug to be 30Nm.
Thanks in advance for any help.
Paul